METROCALL INC
SC 13D/A, 1996-09-30
RADIOTELEPHONE COMMUNICATIONS
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<PAGE>   1
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C.  20549


                                 SCHEDULE 13D/A
                               (AMENDMENT NO. 3)*

                   UNDER THE SECURITIES EXCHANGE ACT OF 1934



                               METROCALL, INC.
- --------------------------------------------------------------------------------
                              (Name of Issuer)

                   Common Stock, par value $.01 per share
- --------------------------------------------------------------------------------
                       (Title of Class of Securities)

                                 591647 10 2
     ------------------------------------------------------------------
                               (CUSIP Number)

      William L. Collins, III, Metrocall, Inc., 6677 Richmond Highway,
                 Alexandria, Virginia 22306, (703) 660-9343
- --------------------------------------------------------------------------------
     (Name, Address and Telephone Number of Person Authorized to Receive
                         Notices and Communications)

                                May 16, 1996
     ------------------------------------------------------------------
           (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box / /.

Check the following box if a fee is being paid with the statement / /.  (A fee
is not required only if the reporting person:  (1) has a previous statement on
file reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7.)

NOTE:  Six copies of this statement, including all exhibits, should be filed
with the Commission.  See Rule 13d-1(a) for other parties to whom copies are to
be sent.

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities,
and for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
<PAGE>   2
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    2    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       C.G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES U/A/T DATED
       8/28/68 FOR: JULIET LEA HILLMAN ("TRUST FOR JULIET LEA HILLMAN")
       25-6094898
- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Pennsylvania
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER
                                        14,130
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY
         EACH            ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER         
        PERSON                          14,130      
         WITH
                         ------------------------------------------------------
                          10   SHARED DISPOSITIVE POWER


- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               14,130

- -------------------------------------------------------------------------------
 12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               .1%

- -------------------------------------------------------------------------------
 14    TYPE OF REPORTING PERSON*

       OO
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   3
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    3    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       C.G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES U/A/T DATED
       8/28/68 FOR:  AUDREY HILLIARD HILLMAN ("TRUST FOR AUDREY HILLIARD 
       HILLMAN")
       25-6094896
- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Pennsylvania
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER
                                        14,130
                         
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY
          EACH           ------------------------------------------------------
        REPORTING         9    SOLE DISPOSITIVE POWER         
         PERSON                         14,130      
          WITH 
                         ------------------------------------------------------
                          10   SHARED DISPOSITIVE POWER


- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               14,130

- -------------------------------------------------------------------------------
 12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               .1%

- -------------------------------------------------------------------------------
 14    TYPE OF REPORTING PERSON*

       OO
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   4
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    4    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       C.G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES U/A/T DATED
       8/28/68 FOR:  HENRY LEA HILLMAN, JR. ("TRUST FOR HENRY LEA HILLMAN, JR.")
       25-6094897
- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Pennsylvania
- -------------------------------------------------------------------------------
                           7     SOLE VOTING POWER
                                         14,130
                  
         NUMBER OF       ------------------------------------------------------
          SHARES           8     SHARED VOTING POWER
       BENEFICIALLY
         OWNED BY
           EACH          ------------------------------------------------------
        REPORTING          9     SOLE DISPOSITIVE POWER         
         PERSON                          14,130      
          WITH 
                         ------------------------------------------------------
                           10    SHARED DISPOSITIVE POWER


- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               14,130

- -------------------------------------------------------------------------------
 12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               .1%

- -------------------------------------------------------------------------------
 14    TYPE OF REPORTING PERSON*

       OO
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   5
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    5    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       C.G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES U/A/T DATED
       8/28/68 FOR:  WILLIAM TALBOTT HILLMAN ("TRUST FOR WILLIAM TALBOTT 
       HILLMAN")
       25-6094899
- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Pennsylvania
- -------------------------------------------------------------------------------
                           7     SOLE VOTING POWER
                                        14,130
                          
         NUMBER OF        -----------------------------------------------------
          SHARES           8     SHARED VOTING POWER
       BENEFICIALLY
         OWNED BY
           EACH           -----------------------------------------------------
         REPORTING         9     SOLE DISPOSITIVE POWER         
          PERSON                        14,130      
           WITH
                          -----------------------------------------------------
                           10    SHARED DISPOSITIVE POWER


- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               14,130

- -------------------------------------------------------------------------------
 12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               .1%

- -------------------------------------------------------------------------------
 14    TYPE OF REPORTING PERSON*

       OO
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   6
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    6    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       HENRY L. HILLMAN, ELSIE HILLIARD HILLMAN AND C.G. GREFENSTETTE,
       TRUSTEES OF THE HENRY L. HILLMAN TRUST U/A DATED NOVEMBER 18, 1985 
       ("HENRY L. HILLMAN TRUST")
       18-2145466
- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Pennsylvania
- -------------------------------------------------------------------------------
                           7     SOLE VOTING POWER
                                        42,391
                  
         NUMBER OF        -----------------------------------------------------
          SHARES           8     SHARED VOTING POWER
       BENEFICIALLY                    1,196,576
         OWNED BY
           EACH           -----------------------------------------------------
         REPORTING         9     SOLE DISPOSITIVE POWER
          PERSON                        42,391
           WITH   
                          -----------------------------------------------------
                           10    SHARED DISPOSITIVE POWER
                                       1,196,576

- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               1,196,576**

- -------------------------------------------------------------------------------
 12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               8.2%

- -------------------------------------------------------------------------------
 14    TYPE OF REPORTING PERSON*

       OO
- -------------------------------------------------------------------------------
** Includes 1,154,185 shares held of record by Wilmington Securities, Inc.

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   7
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    7    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       WILMINGTON SECURITIES, INC.           51-0114700

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
- -------------------------------------------------------------------------------
                             7     SOLE VOTING POWER
                                        1,154,185
                     
            NUMBER OF       ---------------------------------------------------
             SHARES          8     SHARED VOTING POWER
          BENEFICIALLY
            OWNED BY
              EACH          ---------------------------------------------------
            REPORTING        9     SOLE DISPOSITIVE POWER         
             PERSON                     1,154,185      
              WITH
                            ---------------------------------------------------
                             10    SHARED DISPOSITIVE POWER


- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               1,154,185

- -------------------------------------------------------------------------------
 12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               7.9%

- -------------------------------------------------------------------------------
 14    TYPE OF REPORTING PERSON*

       CO
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   8
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    8    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       C. G. GREFENSTETTE, AS TRUSTEE FOR VARIOUS TRUSTS

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
- -------------------------------------------------------------------------------
                             7     SOLE VOTING POWER

                     
            NUMBER OF       ---------------------------------------------------
             SHARES          8     SHARED VOTING POWER
          BENEFICIALLY                  1,253,096
            OWNED BY
              EACH          ---------------------------------------------------
           REPORTING         9     SOLE DISPOSITIVE POWER         
             PERSON
              WITH
                            ---------------------------------------------------
                             10    SHARED DISPOSITIVE POWER
                                        1,253,096

- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               1,253,096**

- -------------------------------------------------------------------------------
 12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               8.6%

- -------------------------------------------------------------------------------
 14    TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
**Shares are held of record by Wilmington Securities, Inc., Henry L. Hillman
Trust, Juliet Lea Hillman Trust, Henry Lea Hillman, Jr. Trust, William Talbott
Hillman Trust, and Audrey Hilliard Hillman Trust.


                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   9
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    9    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       THOMAS G. BIGLEY, AS TRUSTEE FOR VARIOUS TRUSTS

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
- -------------------------------------------------------------------------------
                             7     SOLE VOTING POWER

                     
            NUMBER OF       ---------------------------------------------------
             SHARES          8     SHARED VOTING POWER
          BENEFICIALLY                  56,520
            OWNED BY
              EACH          ---------------------------------------------------
            REPORTING        9     SOLE DISPOSITIVE POWER         
             PERSON
              WITH 
                            ---------------------------------------------------
                             10    SHARED DISPOSITIVE POWER
                                        56,520

- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               56,520**

- -------------------------------------------------------------------------------
 12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               .4%

- -------------------------------------------------------------------------------
 14    TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
**Shares are held of record by Juliet Lea Hillman Trust, Henry Lea Hillman, Jr.
Trust, William Talbott Hillman Trust, and Audrey Hilliard Hillman Trust.

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   10
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    10    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       HENRY L. HILLMAN, A Trustee for the Henry L. Hillman Trust

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
- -------------------------------------------------------------------------------
                                 7     SOLE VOTING POWER

                        
               NUMBER OF        -----------------------------------------------
                 SHARES          8     SHARED VOTING POWER
              BENEFICIALLY              1,196,576
                OWNED BY
                  EACH          -----------------------------------------------
               REPORTING         9     SOLE DISPOSITIVE POWER         
                 PERSON
                  WITH
                                -----------------------------------------------
                                 10    SHARED DISPOSITIVE POWER
                                        1,196,576

- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               1,196,576**

- -------------------------------------------------------------------------------
 12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               8.2%

- -------------------------------------------------------------------------------
 14   TYPE OF REPORTING PERSON*

      IN
- -------------------------------------------------------------------------------
**Shares are held of record by Henry L. Hillman Trust (42,391) and Wilmington
Securities, Inc. (1,154,185).

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   11
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    11    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       ELSIE HILLIARD HILLMAN, A Trustee for the Henry L. Hillman Trust

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY

- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
- -------------------------------------------------------------------------------
                                 7     SOLE VOTING POWER

                        
               NUMBER OF        -----------------------------------------------
                 SHARES          8     SHARED VOTING POWER
              BENEFICIALLY              1,196,576
                OWNED BY
                  EACH          -----------------------------------------------
                REPORTING        9     SOLE DISPOSITIVE POWER         
                 PERSON
                  WITH
                                -----------------------------------------------
                                 10    SHARED DISPOSITIVE POWER
                                        1,196,576

- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               1,196,576**

- -------------------------------------------------------------------------------
 12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               8.2%

- -------------------------------------------------------------------------------
 14    TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
**Shares are held by record by Henry L. Hillman Trust (42,391) and Wilmington
Securities, Inc. (1,154,185).

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   12
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
 CUSIP No. 591647 10 2                          Page    12    of         Pages
           --------------                            -------    -------
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       VENHILL LIMITED PARTNERSHIP             06-1122487

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER
                                        42,391
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY
        OWNED BY
          EACH           ------------------------------------------------------
        REPORTING         9    SOLE DISPOSITIVE POWER         
         PERSON                         42,391      
          WITH
                         ------------------------------------------------------
                          10   SHARED DISPOSITIVE POWER


- -------------------------------------------------------------------------------
 11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               42,391

- -------------------------------------------------------------------------------
 12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
 13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               .3%

- -------------------------------------------------------------------------------
 14    TYPE OF REPORTING PERSON*

       PN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   13
                                  SCHEDULE 13D


- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page  13    of         Pages
          -----------                                ------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       WILLIAM L. COLLINS, III

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /

- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER
                                     359,361
                                     
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                   38,110
        OWNED BY
          EACH           ------------------------------------------------------
        REPORTING         9    SOLE DISPOSITIVE POWER         
         PERSON                      359,361                  
          WITH                                                
                         ------------------------------------------------------
                          10   SHARED DISPOSITIVE POWER
                                     38,110

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               497,471**

- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                2.7%

- -------------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*

     IN
- -------------------------------------------------------------------------------
**Includes 36,595 shares held by USAT, Inc. and 1,515 shares held by Collins &
Clarke FirstPAGE Investment Partnership, and 11,846 common stock options.

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   14
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    14    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       FIRST CENTURY PARTNERSHIP III              13-3637409

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       New York Limited Partnership
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    91,484
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                  --
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     91,484       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                    --

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 91,484
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 .6%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       PN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.





<PAGE>   15
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    15    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       RUXTON CAPITAL GROUP, INC.                  52-1614189

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /x/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware 
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    --     
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                  2,341
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     --           
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                    2,341

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                  2,341
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 --  

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       CO
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.



<PAGE>   16
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    16    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       USA TELECOMMUNICATIONS, INC.                               

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Virginia                    
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                             
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                  36,595
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                                  
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                    36,595

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 36,595
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 .2%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       CO
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.

<PAGE>   17
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    17    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       COLLINS & CLARKE FIRST PAGE INVESTMENT PARTNERSHIP    54-1208708

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Virginia                    
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                             
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                   1,515
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                                  
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                     1,515

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                  1,515
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                 --%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       PN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>   18
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    18    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       M & P PARTNERS                             24-1549484      

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Virginia                    
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    --       
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                          
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     --           
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                           

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 --     
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 --%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

         
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.

<PAGE>   19
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    19    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       AMERICAN INFORMATION & COMMUNICATIONS, INC.     52-1352092 

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       Maryland                    
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    19,853   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                         
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     19,853       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                          

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 19,853
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 .1%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       CO
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.

<PAGE>   20
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    20    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       DONALD M. CLARKE                           ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                   116,130   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                  38,110
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                    116,130       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                    38,110

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                154,240
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                1.1%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
**Includes 1,515 shares held of record by Collins & Clarke FirstPAGE Investment
Partnership, and 36,595 shares held of record by USA Telecommunications, Inc.

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>   21
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    21    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       MICHAEL R. FARLEY                          ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    76,833   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                        
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     76,833       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                          

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 76,833
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                0.5%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>   22
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    22    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       JOHN PATRICK COLLINS                       ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    90,690   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                        
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     90,690       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                    --    

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 90,690
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 .6%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>   23
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    23    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       STEVEN D. JACOBY                           ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    80,712   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                  38,110
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     80,712       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                    38,110

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                118,822**
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                0.8%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
** Includes 36,595 shares held of record by USAT, Inc., 1,515 shares held of
record by Collins & Clarke FirstPAGE Investment Partnership, and 9,477 common
stock options.

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>   24
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    24    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       WAYNE N. SCHELLE                           ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    57,510   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                   2,341
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     57,510       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                     2,341

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 59,851**
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                0.4%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
** Includes 2,341 shares held of record by Ruxton Capital Group, Inc.

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>   25
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    25    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       GARY L. THOMAS                             ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    45,215   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                   2,341
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     45,215       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                     2,341

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 47,556**
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                0.3%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
** Includes 2,341 shares held of record by Ruxton Capital Group, Inc.

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.

<PAGE>   26
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    26    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       ALBERT GRIMES                              ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    57,215   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                   2,341
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     57,215       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                     2,341

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 59,556**
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                0.4%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
** Includes 2,341 shares held of record by Ruxton Capital Group, Inc.

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>   27
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    27    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       WILLIAM L. WELCH, JR.                      ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    32,707   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                  --     
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     32,707       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                    --    

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 32,707 (includes 4,739 common stock options)
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 .2%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.

<PAGE>   28
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    28    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       STEVEN P. PENNINGTON                       ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    30,007   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                   1,515 
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     30,007       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                     1,515

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 31,522                                       
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 .2%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.

<PAGE>   29
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    29    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       ROBERT QUARANTA                            ###-##-####

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    22,354   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                  --     
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     22,354       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                    --    

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 22,354                                       
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 .2%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.

<PAGE>   30
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    30    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       JOSEPH SMITH                               ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                     2,500   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                  --     
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                      2,500       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                    --    

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                  2,500                                        
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 --%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.

<PAGE>   31
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    31    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       STEVEN C. MARINARO                         ###-##-####     

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                    11,641   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                  --     
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                     11,641       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                    --    

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 11,641 (includes 1,896 common stock options)
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                 .1%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>   32
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    32    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       HARRY L. BROCK, JR.                                        

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                 3,193,710   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                         
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                  3,193,710       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                          

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                 3,193,710 (includes 112,510 common stock options)
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
       /X/
             Mr. Brock disclaims beneficial ownership of 214,408 shares of
             common stock (including 14,804 shares of common stock issuable 
             upon the exercise of options) owned by his wife, Suzanne S. Brock

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
               21.6%

- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>   33
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    33    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       SUZANNE S. BROCK                                        

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                   214,804   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                         
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                    214,804       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                          

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             
                 214,894 (Includes 14,804 common stock options)
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
       /X/
       Mr. Brock disclaims beneficial ownership of 3,193,710 shares of common 
       stock (including 112,510 shares of common stock issuable upon the 
       exercise of options) beneficially owned by her husband, Harry J. 
       Brock, Jr.

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                1.5%
               
- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.

      
<PAGE>   34
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    34    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       CHRISTOPHER A. KIDD                         ###-##-#### 

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                   221,588   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                         
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                    221,588       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                          

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON            
                 221,588 (Includes 106,588 common stock options)
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                1.5%
               
- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>   35
                                  SCHEDULE 13D

- --------------------------------               --------------------------------
CUSIP No. 591647 10 2                           Page    35    of         Pages
          -----------                                --------    -------   
- --------------------------------               --------------------------------


- -------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       VINCENT D. KELLY                            ###-##-#### 

- -------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a) /X/
                                                                        (b) / /

- -------------------------------------------------------------------------------
 3     SEC USE ONLY                                                       


- -------------------------------------------------------------------------------
 4     SOURCE OF FUNDS*

       OO
- -------------------------------------------------------------------------------
 5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
       ITEMS 2(d) OR 2(e)                                                   / /
                                                                              
- -------------------------------------------------------------------------------
 6     CITIZENSHIP OR PLACE OF ORGANIZATION

       United States               
- -------------------------------------------------------------------------------
                          7    SOLE VOTING POWER                     
                                   201,588   
                 
        NUMBER OF        ------------------------------------------------------
         SHARES           8    SHARED VOTING POWER
      BENEFICIALLY                         
        OWNED BY
          EACH           ------------------------------------------------------
       REPORTING          9    SOLE DISPOSITIVE POWER
         PERSON                    201,588       
          WITH
                          -----------------------------------------------------
                          10   SHARED DISPOSITIVE POWER 
                                          

- -------------------------------------------------------------------------------
11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON            
                 201,588 (Includes 106,588 common stock options)
                 
- -------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                            / /

- -------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                1.4%
               
- -------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON*

       IN
- -------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>   36
                                  SCHEDULE 13D

- ---------------------------------              ---------------------------------
 CUSIP No. 591647 10 2                          Page   36      of         Pages
           --------------------                      ----------   -------
- ---------------------------------              ---------------------------------

THIS AMENDMENT NO. 3 AMENDS THE SCHEDULE 13D, FILED COLLECTIVELY BY THE PERSONS
NAMED HEREIN (THE "GROUP") WITH THE COMMISSION ON OCTOBER 7, 1994 (THE
"SCHEDULE") AND AS SUBSEQUENTLY AMENDED, RELATING TO THE COMMON STOCK, PAR
VALUE $.01 PER SHARE, OF METROCALL, INC. CAPITALIZED TERMS USED HEREIN HAVE THE
MEANINGS SET FORTH IN THE SCHEDULE, UNLESS OTHERWISE DEFINED HEREIN.

Item 5 is amended as follows:

ITEM 5.  INTEREST IN SECURITIES OF ISSUER.

As of May 16, 1996, Metrocall had 14,994,703 shares of Common Stock issued and
outstanding including options held by the Reporting Persons to purchase 368,448
shares of Common Stock. In the aggregate, as of May 16, 1996, the Reporting
Persons beneficially owned 6,329,545 shares, or approximately 42.2% of the
outstanding Common Stock of the Issuer.  On August 15, 1996, the Reporting
Persons beneficially owned 6,261,840 shares, or approximately 41.7% of the
outstanding Common Stock of the Issuer.


<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------
 NAME                                                 AGGREGATE NUMBER   PERCENTAGE OF CLASS          
                                                         OF SHARES           OF SHARES              
- --------------------------------------------------------------------------------------------
 <S>                                                   <C>                       <C>  
 JLH Trust                                                 14,130                 0.1% 
- --------------------------------------------------------------------------------------------
 AHH Trust                                                 14,130                 0.1% 
- --------------------------------------------------------------------------------------------
 HLHJR Trust                                               14,130                 0.1% 
- --------------------------------------------------------------------------------------------
 WTH Trust                                                 14,130                 0.1% 
- --------------------------------------------------------------------------------------------
 HLH Trust                                              1,196,576                 8.2% 
- --------------------------------------------------------------------------------------------
 Wilmington Securities, Inc.                            1,154,185                 7.9% 
- --------------------------------------------------------------------------------------------
 C.G. Grefenstette                                      1,253,096                 8.6% 
- --------------------------------------------------------------------------------------------
 Thomas G. Bigley                                          56,520                 0.4% 
- --------------------------------------------------------------------------------------------
 Henry L. Hillman                                       1,196,576                 8.2% 
- --------------------------------------------------------------------------------------------
 Elsie Hilliard Hillman                                 1,196,576                 8.2% 
- --------------------------------------------------------------------------------------------
 Venhill Limited Partnership                               42,391                 0.3% 
- --------------------------------------------------------------------------------------------
 First Century                                             91,484                 0.6% 
- --------------------------------------------------------------------------------------------
</TABLE>





<PAGE>   37
                                  SCHEDULE 13D

- ---------------------------------              ---------------------------------
 CUSIP No. 591647 10 2                          Page   37      of         Pages
           --------------------                      ----------   -------
- ---------------------------------              ---------------------------------



<TABLE>
- --------------------------------------------------------------------------------------------
<S>                                        <C>                            <C>
 Ruxton Capital Group                                       2,341                 *

- --------------------------------------------------------------------------------------------
                                                                             PERCENTAGE OF 
 NAME                                         AGGREGATE NUMBER OF SHARES    CLASS OF SHARES

- --------------------------------------------------------------------------------------------
 Collins & Clarke                                           1,515                 *

- --------------------------------------------------------------------------------------------
 M & P Partners                                             --                    *

- --------------------------------------------------------------------------------------------
 American Information & Communications,                    19,983               0.1%
 Inc.

- --------------------------------------------------------------------------------------------
 William L. Collins, III                                  397,471               2.7%
                                           (includes 11,846 common stock
                                           options)
- --------------------------------------------------------------------------------------------
 Donald M. Clarke                                         154,240               1.1%

- --------------------------------------------------------------------------------------------
 Michael R. Farley                                         76,833               0.5%

- --------------------------------------------------------------------------------------------
 John Patrick Collins                                      90,690               0.6%

- --------------------------------------------------------------------------------------------
 Steven D. Jacoby                                         118,822               0.8%
                                           (includes 9,477 common stock
                                           options)
- --------------------------------------------------------------------------------------------
 Wayne N. Schelle                                          59,851              0.4%

- --------------------------------------------------------------------------------------------
 Gary L. Thomas                                            47,556              0.3%

- --------------------------------------------------------------------------------------------
 Albert Grimes                                             59,556              0.4%

- --------------------------------------------------------------------------------------------
 William L. Welch, Jr.                                     32,707              0.2%
                                           (includes 4,739 common stock
                                           options)

- --------------------------------------------------------------------------------------------
 Steven P. Pennington                                      31,522              0.2%

- --------------------------------------------------------------------------------------------
 Robert Quaranta                                           22,354              0.2%

- --------------------------------------------------------------------------------------------
 Joseph Smith                                               2,500               *
- --------------------------------------------------------------------------------------------
</TABLE>




<PAGE>   38
                                  SCHEDULE 13D

- ---------------------------------              ---------------------------------
 CUSIP No. 591647 10 2                          Page   38      of         Pages
           --------------------                      ----------   -------
- ---------------------------------              ---------------------------------


<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------
 NAME                                         AGGREGATE NUMBER          PERCENTAGE OF CLASS
                                                 OF SHARES                 OF SHARES

- --------------------------------------------------------------------------------------------
 <S>                                       <C>                                  <C>       
 Steven C. Marinaro                                        11,641                   .1%     
                                           (includes 1,896 common stock                   
                                           options)                                       
- --------------------------------------------------------------------------------------------
 Harry L. Brock, Jr.                                    3,193,710                 21.6%   
                                                (includes 112,510                         
                                             common stock options)                        
- --------------------------------------------------------------------------------------------
 Suzanne S. Brock                                         214,804                  1.5%    
                                                 (includes 14,804                         
                                             common stock options)                        
- --------------------------------------------------------------------------------------------
 Christopher A. Kidd                                      221,588                  1.5%    
                                                (includes 106,588                         
                                             common stock options)                        
- --------------------------------------------------------------------------------------------
 Vincent D. Kelly                                         201,588                  1.5%    
                                           (includes 106,588 common stock          
                                           options)                                       
- --------------------------------------------------------------------------------------------
 Michael Gill**                                               - -                   *       

- --------------------------------------------------------------------------------------------
 William L. Collins, Jr.**                                    305                   *       
                                                                                          
- --------------------------------------------------------------------------------------------
 Larry L. Trollinger**                                      6,711                   *       

- --------------------------------------------------------------------------------------------
 Richard M. Johnston                                          305                   *       
                                                                                          
- --------------------------------------------------------------------------------------------
 USA Telecommunications, Inc.                              36,595                   .2%     

- --------------------------------------------------------------------------------------------
</TABLE>
  *Less than .1%.
**Information provided pursuant to General Instruction C.

         The persons named above have either sole or shared power to vote or to
direct the vote, and to dispose or to direct the disposition of, the number of
shares set forth next to such person's name, except as was previously disclosed
on the Schedule and as follows:

         Wayne N. Schelle, Gary L. Thomas, and Albert Grimes may be deemed to
share voting and dispositive power over 2,341 shares of Common Stock held of
record by Ruxton Capital Group, Inc.





<PAGE>   39
                                  SCHEDULE 13D

- ---------------------------------              ---------------------------------
 CUSIP No. 591647 10 2                          Page   39      of         Pages
           --------------------                      ----------   -------
- ---------------------------------              ---------------------------------

The following additional sales transactions decreased beneficial ownership of
the Reporting Persons during the period:

On May 31, 1996, Wayne N. Schelle sold a total of 10,000 shares in a brokered
transaction at prices ranging from $19.25 to $19.375 per share.  The
transaction was completed on the Nasdaq Stock Market's National Market.

On June 3, 1996, William L. Collins, III sold 20,000 shares in a brokered
transaction for $19.125 per share.  The transaction was completed on the Nasdaq
Stock Market's National Market.

On June 3, 1996, Vincent D. Kelly sold 20,000 shares in a brokered transaction
for $19.125 per share.  The transaction was completed on the Nasdaq Stock
Market's National Market.

On June 3, 1996, Steven D. Jacoby sold 10,000 shares in a brokered transaction
for $19.125 per share.  The transaction was completed on the Nasdaq Stock
Market's National Market.

On July 18, 1996, Albert Grimes sold 5,000 shares in a brokered transaction for
$9.625 per share.  The transaction was completed on the Nasdaq Stock Market's
National Market.



Item 6 is amended as follows:

ITEM 6.  CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS
         WITH RESPECT TO SECURITIES OF THE ISSUER

On May 16, 1996, Metrocall, Inc. (the "Issuer") and Reporting Persons holding
shares sufficient to amend the Voting Agreement dated as of August 31, 1994
(the "Voting Agreement") among the Issuer, the FirstPAGE Signatories (as
defined therein) and the Metrocall Signatories (as defined therein) entered
into an Amendment to Voting Agreement (the "Amendment") pursuant to which they
terminated the Voting Agreement effective as of the Effective Time (the
"Effective Time") of the merger of A+ Network, Inc. with and into the Issuer
pursuant to the Agreement and Plan of Merger dated as of May 16, 1996 between
the Issuer and A+ Network, Inc.  The termination of the Voting Agreement will,
when it becomes effective, eliminate the group which is the Reporting Person.
In addition to terminating the Voting Agreement, the Amendment:  (i) requires
the parties to use their best reasonable efforts to cause Suzanne S. Brock to
be reelected as a director when her current term expires; (ii) gives Harry L.
Brock the right to identify a replacement for a director who has resigned
effective May 31, 1996, with the appointment of such replacement subject to
approval of a majority of the Board





<PAGE>   40
                                  SCHEDULE 13D

- ---------------------------------              ---------------------------------
 CUSIP No. 591647 10 2                          Page   40      of         Pages
           --------------------                      ----------   -------
- ---------------------------------              ---------------------------------

of Directors; and (iii) provides for the resignation of Steven D. Jacoby and
Vincent D. Kelly from the Board of Directors as of the Effective Time and
requires the parties who are directors to vote to appoint Ray D. Russenberger
and Elliott H. Singer (who are currently directors of A+ Network, Inc.) as
directors to fill the resulting vacancies.  The foregoing description of the
Amendment is qualified in its entirety to the Amendment filed herewith as
Exhibit 1.


Item 7 is amended as follows:

ITEM 7.  MATERIAL TO BE FILED AS EXHIBITS

Exhibit 1 -- Amendment to Voting Agreement dated as of May 16, 1996 between
Metrocall, Inc. and certain signatories thereto.





<PAGE>   41
                                  SCHEDULE 13D

- ---------------------------------              ---------------------------------
 CUSIP No. 591647 10 2                          Page   41      of         Pages
           --------------------                      ----------   -------
- ---------------------------------              ---------------------------------


                                   SIGNATURES

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.



<TABLE>
<S>                                     <C>
                                        TRUST FOR JULIET LEA HILLMAN

August 31, 1996                            By:  /s/ C.G. Grefenstette                            
Date                                            ----------------------------------
                                                C.G. Grefenstette, Trustee
                                                
August 31, 1996                            By:  /s/ Thomas G. Bigley                             
Date                                            ----------------------------------
                                                Thomas G. Bigley, Trustee

                                        TRUST FOR AUDREY HILLIARD HILLMAN

August 31, 1996                            By:  /s/ C.G. Grefenstette                            
Date                                            ----------------------------------
                                                C.G. Grefenstette, Trustee
                                                
August 31, 1996                            By:  /s/ Thomas G. Bigley                             
Date                                            ----------------------------------
                                                Thomas G. Bigley, Trustee

                                        TRUST FOR HENRY LEA HILLMAN, JR.

August 31, 1996                            By:  /s/ C.G. Grefenstette                            
Date                                            ----------------------------------
                                                C.G. Grefenstette, Trustee
                                                
August 31, 1996                            By:  /s/ Thomas G. Bigley                             
Date                                            ----------------------------------
                                                Thomas G. Bigley, Trustee


                                        TRUST FOR WILLIAM TALBOTT HILLMAN

August 31, 1996                            By:  /s/ C.G. Grefenstette             
Date                                            ----------------------------------
                                                C.G. Grefenstette, Trustee
                                                
August 31, 1996                            By:  /s/ Thomas G. Bigley                             
Date                                            ----------------------------------
                                                Thomas G. Bigley Trustee
</TABLE>





<PAGE>   42
                                  SCHEDULE 13D

- ---------------------------------              ---------------------------------
 CUSIP No. 591647 10 2                          Page   42      of         Pages
           --------------------                      ----------   -------
- ---------------------------------              ---------------------------------



<TABLE>
<S>                                     <C>
                                        HENRY L. HILLMAN TRUST

August 31, 1996                            By:      /s/ C.G. Grefenstette       
Date                                                ------------------------------
                                                    C.G. Grefenstette, Trustee

                                        WILMINGTON SECURITIES, INC.

August 31, 1996                            By:      /s/ Darlene Clark                       
Date                                                ------------------------------
                                           Title:   Vice President
                                                    ------------------------------


August 31, 1996                         /s/ C.G. Grefenstette                     
Date                                    ------------------------------------------
                                        C.G. Grefenstette

August 31, 1996                         /s/ Thomas G. Bigley              
Date                                    ------------------------------------------
                                        Thomas G. Bigley

August 31, 1996                         /s/ H. Vaughan Blaxter, III               
Date                                    ------------------------------------------
                                        H. Vaughan Blaxter, III,
                                        under Power of Attorney for
                                        Henry L. Hillman

August 31, 1996                         /s/ H. Vaughan Blaxter, III               
Date                                    ------------------------------------------
                                        H. Vaughan Blaxter, III,
                                        under Power of Attorney for
                                        Elsie Hilliard Hillman

                                        VENHILL LIMITED PARTNERSHIP

August 31, 1996                            By:      /s/ Howard B. Hillman           
Date                                                ------------------------------
                                                    Howard B. Hillman, General                
                                                    Partner

</TABLE>




<PAGE>   43
                                  SCHEDULE 13D


- ---------------------------------              ---------------------------------
 CUSIP No. 591647 10 2                           Page     43    of        Pages
           -----------                                ---------    -------
- ---------------------------------              ---------------------------------



<TABLE>
<S>                                     <C>
                                        FIRST CENTURY PARTNERSHIP III

August 31, 1996                            By:      /s/ Michael J. Myers          
Date                                                ------------------------------
                                           Title:   General Partner

                                        RUXTON CAPITAL GROUP

August 26, 1996                            By:      /s/ Gary L. Thomas              
Date                                                ------------------------------
                                                    Title:  President

                                        USA TELECOMMUNICATIONS, INC.

August 19, 1996                            By:      /s/ William Collins, Jr.                
Date                                                ------------------------------
                                                    Title:  President

                                        COLLINS & CLARKE FIRST PAGE                            
                                        INVESTMENT PARTNERSHIP

August 31, 1996                            By:      /s/ William L. Collins, III   
Date                                                ------------------------------
                                                    Title:  Managing Partner

                                        M & P PARTNERS

August 31, 1996                            By:      /s/ Wesley McGee                        
Date                                                ------------------------------
                                                    Title:  General Partner

                                        AMERICAN INFORMATION &
                                        COMMUNICATIONS, INC.
                                        
August 23, 1996                            By:      /s/ Michael Gill                        
Date                                                ------------------------------
                                                    Title:  President

August 31, 1996                         /s/ William L. Collins, III                        
Date                                    ------------------------------------------
                                        William L. Collins, III

August 23, 1996                         /s/ Robert Quaranta                                
Date                                    ------------------------------------------
                                        Robert Quaranta

August 31, 1996                         /s/ William L. Welch, Jr.                 
Date                                    ------------------------------------------
                                        William L. Welch, Jr.

August 31, 1996                         /s/ Steven P. Pennington                  
Date                                    ------------------------------------------
                                        Steven P. Pennington

</TABLE>




<PAGE>   44
                                  SCHEDULE 13D

- ---------------------------------              ---------------------------------
 CUSIP No. 591647 10 2                           Page    44    of         Pages
           -----------                                --------    -------
- ---------------------------------              ---------------------------------



                                   SIGNATURES


<TABLE>
<S>                                        <C>
August 23, 1996                            /s/ Joseph Smith                  
Date                                       ---------------------------------------
                                           Joseph Smith

August 31, 1996                            /s/ Steven C. Marinaro            
Date                                       ---------------------------------------
                                           Steven C. Marinaro

August 26, 1996                            /s/ Donald M. Clarke                      
Date                                       ---------------------------------------   
                                           Donald M. Clarke

August 21, 1996                            /s/ Michael R. Farley                     
Date                                       ---------------------------------------    
                                           Michael R. Farley                       

August 31, 1996                            /s/ John Patrick Collins          
Date                                       ---------------------------------------
                                           John Patrick Collins

August 31, 1996                            /s/ Steven D. Jacoby                      
Date                                       ---------------------------------------    
                                           Steven D. Jacoby

August 26, 1996                            /s/ Wayne N. Schelle                      
Date                                       ---------------------------------------    
                                           Wayne N. Schelle

August 26, 1996                            /s/ Gary L. Thomas                
Date                                       ---------------------------------------
                                           Gary L. Thomas

August 31, 1996                            /s/ Albert Grimes                 
Date                                       ---------------------------------------
                                           Albert Grimes

August 26, 1996                            /s/ Harry L. Brock, Jr.           
Date                                       ---------------------------------------
                                           Harry L. Brock, Jr.

August 26, 1996                            /s/ Suzanne S. Brock                      
Date                                       ---------------------------------------   
                                           Suzanne S. Brock

August 31, 1996                            /s/ Christopher A. Kidd           
Date                                       ---------------------------------------
                                           Christopher A. Kidd

August 31, 1996                            /s/ Vincent D. Kelly                      
Date                                       ---------------------------------------   
                                           Vincent D. Kelly

</TABLE>




<PAGE>   45
                                  SCHEDULE 13D


- ---------------------------------              ---------------------------------
 CUSIP No. 591647 10 2                          Page    45   of         Pages
           -----------                              ---------   -------
- ---------------------------------              ---------------------------------


                                    EXHIBITS



<TABLE>
<CAPTION>
                 Exhibit
                 Number                    Exhibit Description
                 ------                    -------------------

                      <S>                  <C>
                      1                    Amendment to Voting Agreement
</TABLE>






<PAGE>   1
                         AMENDMENT TO VOTING AGREEMENT


                 This Amendment to Voting Agreement ("Amendment") by and among
Metrocall, Inc., a Delaware corporation ("Metrocall"), those persons whose
signatures appear under the heading "FirstPAGE Group" on the signature page
hereof ("FirstPAGE Signatories") and those persons whose signatures appear
under the heading "Metrocall Group" on the signature page hereof ("Metrocall
Signatories") , is entered into as of May 16, 1996.

                                    RECITALS

                 1.   Metrocall and certain stockholders of Metrocall entered
into a Voting Agreement dated as of August 31, 1994 (the "Voting Agreement").
Capitalized terms used without definition in this Amendment shall have the
meaning given them in the Voting Agreement.

                 2.  As of the date of this Agreement, Metrocall and A+
Network, Inc., a Tennessee corporation ("A+ Network"), have entered into an
Agreement and Plan of Merger between Metrocall and A+ Network (the "Merger
Agreement") pursuant to which A+ Network will be merged with and into
Metrocall, with Metrocall as the surviving corporation (the "Merger").

                 3.  Metrocall, the FirstPAGE Signatories and the Metrocall
Signatories have agreed to amend the Voting Agreement to provide that the
rights and obligations thereunder shall terminate effective upon the Effective
Time (as defined in the Merger Agreement) of the Merger and to take the other
actions set forth herein.

                 4.  The FirstPAGE Signatories own at least two-thirds of the
common stock, par value $.01 per share, of Metrocall (the "Metrocall Common
Stock") held by the members of the FirstPAGE Group as of the date of this
Amendment and the Metrocall Signatories own at least two-thirds of the
Metrocall Common Stock held by the members of the Metrocall Group as of the
date of this Amendment.

                 In consideration of the foregoing and other good and valuable
consideration, Metrocall, the FirstPAGE Signatories and the Metrocall
Signatories hereby agree as follows:

                                   AGREEMENT

                 1.  TERMINATION OF VOTING AGREEMENT.  The Voting Agreement is
hereby amended to provide that all rights and obligations of the parties to the
Voting Agreement shall terminate effective as of the Effective Time of the
Merger (as defined in the Merger Agreement). Notwithstanding the terms of the
Voting Agreement, the following provisions shall be effective from the date
hereof until the earlier of the Effective Time of the Merger or the termination
of the Merger Agreement.





                                      -1-
<PAGE>   2
                 2.  NOMINATION AND ELECTION OF MS. BROCK.  Suzanne S. Brock
has been nominated by the Metrocall Board of Directors to stand for election as
director at the first annual meeting of stockholders of Metrocall following the
date of this Agreement.  Each of the parties to this Agreement agrees that they
will use their best reasonable efforts to cause Ms. Brock to be elected as a
director at such meeting including, without limitation, voting all Shares they
own at the time of such election in favor of Ms.  Brock as a director and
voting to recommend that shareholders elect her.

                 3.  REPLACEMENT FOR MR. KIDD.  Not later than 45 days after
the resignation or removal of Mr. Christopher A. Kidd as a director of
Metrocall, Mr. Harry L. Brock shall identify to the Board of Directors of
Metrocall a replacement for Mr. Kidd.  Such person shall be appointed to fill
the position vacated by Mr. Kidd upon approval of a majority of the Board of
Directors of Metrocall.  If a majority of the Board of Directors does not
approve the person identified by Mr. Brock (or any subsequent person identified
by Mr. Brock), Mr. Brock shall have 45 days to identify another replacement,
who shall be subject to approval by a majority of the Board.

                 4.  SELECTION OF ADDITIONAL DIRECTORS UPON COMPLETION OF THE 
MERGER.

                          (a)  Mr. Steven D. Jacoby and Mr. Vincent D. Kelly
hereby agree that they will resign as directors of the Metrocall Board of
Directors effective as of the Effective Time of the Merger.

                          (b)  The parties to this Agreement who are directors
of Metrocall agree that they will vote to appoint Ray D. Russenburger and
Elliot H. Singer (or if either of them is unable or unwilling to serve, such
other person as is designated by A+ Network) to fill the positions created as a
result of the resignations of Mr. Jacoby and Mr. Kelly.

                 5.  REPLACEMENT OF DIRECTORS.  If Ms. Brock or any person
nominated or elected pursuant to Section 3 of this Amendment declines to serve,
is not appointed by the Board, or shall resign or be removed or be unable to
serve by reason of death or disability, Mr. Brock shall, until August 31, 1997,
have the right to identify to the Board of Directors of Metrocall a proposed
replacement (and shall do so no later than 45 days after he learns that such
person declines, is not appointed or resigns, removes or is unable to serve).
Such replacement shall be appointed as a director upon approval of a majority
of the Board of Directors of Metrocall.   If a majority of the Board of
Directors does not approve the person identified by Mr. Brock (or any
subsequent person identified by Mr. Brock), Mr. Brock shall have 45 days to
identify another replacement, who shall be subject to approval by a majority of
the Board.

                 6.  LIMITATION ON OBLIGATIONS AS DIRECTORS.  Any person
required to take an action pursuant to this Amendment in his or her capacity as
a director shall not be required to take such action to the extent that such
action (i) is prohibited by applicable law or (ii) is





                                      -2-
<PAGE>   3
determined by such director, in good faith and with advice of counsel to such
effect, to conflict with the proper discharge by the director of his fiduciary
obligations.

                 In Witness Whereof, the undersigned here executed this
Amendment as of the date in the first paragraph hereof.

                             Metrocall, Inc.
                             
                             
                             By:      William L. Collins, III
                                ----------------------------------------------
                                      William L. Collins, III
                                      President and Chief Executive Officer
                             
                             
                             FIRSTPAGE SIGNATORIES
                             
                             C.G. Grefenstette and Thomas G. Bigley, Trustees
                             U/A/T Dated 8/28/68 for Juliet Lea Hillman 
                             
                             C.G. Grefenstette and Thomas G. Bigley, Trustees
                             U/A/T Dated 8/28/68 for Audrey Hilliard Hillman
                             
                             C.G. Grefenstette and Thomas G. Bigley, Trustees
                             U/A/T Dated 8/28/68 for Henry Lea Hillman, Jr.
                             
                             C.G. Grefenstette and Thomas G. Bigley, Trustees
                             U/A/T Dated 8/28/68 for William Talbott Hillman 
                             
                             
                             
                             By:       C.G. Grefenstette
                                ----------------------------------------------
                                       C.G. Grefenstette, Trustee
                             
                             
                             By:      T.G. Bigley
                                ----------------------------------------------
                                      Thomas G. Bigley, Trustee





                                      -3-
<PAGE>   4
                             Henry L. Hillman, Elsie Hilliard Hillman and C.G.
                             Grefenstette, Trustees of the Henry L. Hillman
                             Trust U/A Dated November 18, 1985
                             
                             
                             
                             
                             By:  C.G. Grefenstette
                                -----------------------------------------
                                  C.G. Grefenstette, Trustee
                             
                             
                             
                             
                             Wilmington Securities, Inc.
                             
                             
                             
                             
                             By:  Darlene Clarke
                                -----------------------------------------
                                  Darlene Clark
                             
                             
                             
                             Richard M. Johnston
                             --------------------------------------------
                             Richard M. Johnston
                             
                             
                             
                             William L. Collins, III
                             --------------------------------------------
                             William L. Collins, III
                             
                             
                             
                             Steven D. Jacoby
                             --------------------------------------------
                             Steven D. Jacoby
                             
                             METROCALL SIGNATORIES
                             
                             
                             Harry L. Brock, Jr.
                             ---------------------------------------------
                             Harry L. Brock, Jr.





                                      -4-
<PAGE>   5

                             Suzanne S. Brock
                             ---------------------------------------------
                             Suzanne S. Brock
                             
                             
                             Vincent D. Kelly
                             ---------------------------------------------
                             Vincent D. Kelly





                                      -5-


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