SUBURBAN OSTOMY SUPPLY CO INC
SC 13G/A, 1998-02-13
MEDICAL, DENTAL & HOSPITAL EQUIPMENT & SUPPLIES
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<PAGE>   1
                                                           OMB APPROVAL
                                                   OMB Number:        3235-0145
                                                   Expires:    October 31, 1997
                                                   Estimated average burden
                                                   hours per response . . .14.90

                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                  SCHEDULE 13G


                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                               (AMENDMENT NO. 1 )*

                         Suburban Ostomy Supply Co. Inc.
                                (Name of Issuer)

                           Common Stock, no par value
                         (Title of Class of Securities)

                                    008644711
                                 (CUSIP Number)

*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 the
disclosures provided in a prior cover page.

The information required in 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 1 of 37 Pages
<PAGE>   2
CUSIP NO. 008644711                   13G                           PAGE 2 OF 37

- --------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON

      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

               Summit Ventures III, L.P.
- --------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3   SEC USE ONLY

- --------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

               Delaware limited partnership

- --------------------------------------------------------------------------------
                         5    SOLE VOTING POWER

                                       0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6    SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                        3,934,832 shares
                        --------------------------------------------------------
         EACH            7    SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                         0 shares
                        --------------------------------------------------------
         WITH            8    SHARED DISPOSITIVE POWER

                                       3,934,832 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                3,934,832 shares
- --------------------------------------------------------------------------------
10     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /


- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                37.33%
- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

                PN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 2 of 37 Pages
<PAGE>   3
CUSIP NO. 008644711                   13G                           PAGE 3 OF 37

- --------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON

      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

               Summit Partners III, L.P.
- --------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a) / /
                                                                        (b) / /
- --------------------------------------------------------------------------------
  3   SEC USE ONLY

- --------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

               Delaware limited partnership
- --------------------------------------------------------------------------------
                         5   SOLE VOTING POWER

                                      0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6   SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                       3,934,832  shares
                        --------------------------------------------------------
         EACH            7   SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                        0 shares
                        --------------------------------------------------------
         WITH            8   SHARED DISPOSITIVE POWER

                                      3,934,832 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                3,934,832 shares
- --------------------------------------------------------------------------------
10     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /


- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                37.33%
- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

                PN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 3 of 37 Pages
<PAGE>   4
CUSIP NO. 008644711                   13G                           PAGE 4 OF 37

- --------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON

      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

               Summit Investors II, L.P.
- --------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3   SEC USE ONLY

- --------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

               Delaware limited partnership
- --------------------------------------------------------------------------------
                         5   SOLE VOTING POWER

                                      0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6   SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                       3,934,832 shares
                        --------------------------------------------------------
         EACH            7   SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                        0 shares
                        --------------------------------------------------------
         WITH            8   SHARED DISPOSITIVE POWER

                                      3,934,832 shares
- --------------------------------------------------------------------------------
 9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

               3,934,832 shares
- --------------------------------------------------------------------------------
10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  / /


- --------------------------------------------------------------------------------
11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

               37.33%
- --------------------------------------------------------------------------------
  12  TYPE OF REPORTING PERSON *

               PN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 4 of 37 Pages
<PAGE>   5
CUSIP NO. 008644711                   13G                           PAGE 5 OF 37

- --------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON

      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

               Stamps, Woodsum & Co. III
- --------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3   SEC USE ONLY

- --------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

               Massachusetts general partnership
- --------------------------------------------------------------------------------
                         5   SOLE VOTING POWER

                                      0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6   SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                       3,934,832 shares
                        --------------------------------------------------------
         EACH            7   SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                        0 shares
                        --------------------------------------------------------
         WITH            8   SHARED DISPOSITIVE POWER

                                      3,934,832 shares
- --------------------------------------------------------------------------------
 9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                3,934,832 shares
- --------------------------------------------------------------------------------
10     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /


- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                37.33%
- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

                PN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 5 of 37 Pages
<PAGE>   6
CUSIP NO. 008644711                   13G                           PAGE 6 OF 37

- --------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON

      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

               Summit Subordinated Debt Fund, L.P.
- --------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3   SEC USE ONLY

- --------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

               Delaware limited partnership
- --------------------------------------------------------------------------------
                         5   SOLE VOTING POWER

                                      0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6   SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                       3,934,832 shares
                        --------------------------------------------------------
         EACH            7   SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                        0 shares
                        --------------------------------------------------------
         WITH            8   SHARED DISPOSITIVE POWER

                                      3,934,832 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                3,934,832 shares
- --------------------------------------------------------------------------------
10     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /


- --------------------------------------------------------------------------------
  11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

               37.33%
- --------------------------------------------------------------------------------
  12  TYPE OF REPORTING PERSON *

               PN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 6 of 37 Pages
<PAGE>   7
CUSIP NO. 008644711                   13G                           PAGE 7 OF 37

- --------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON

      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

               Summit Partners SD, L.P.
- --------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a) / /
                                                                        (b) / /
- --------------------------------------------------------------------------------
  3   SEC USE ONLY

- --------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

               Delaware limited partnership
- --------------------------------------------------------------------------------
                         5   SOLE VOTING POWER

                                      0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6   SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                       3,934,832 shares
                        --------------------------------------------------------
         EACH            7   SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                        0 shares
                        --------------------------------------------------------
         WITH            8   SHARED DISPOSITIVE POWER

                                      3,934,832 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                3,934,832 shares
- --------------------------------------------------------------------------------
10     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /


- --------------------------------------------------------------------------------
 11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                37.33%
- --------------------------------------------------------------------------------
 12    TYPE OF REPORTING PERSON *

                PN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 7 of 37 Pages
<PAGE>   8
CUSIP NO. 008644711                   13G                           PAGE 8 OF 37

- -------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON

      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

               E. Roe Stamps, IV
- --------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3   SEC USE ONLY

- --------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

               United States
- --------------------------------------------------------------------------------
                         5   SOLE VOTING POWER

                                      0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6   SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                       3,934,832 shares
                        --------------------------------------------------------
         EACH            7   SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                        0 shares
                        --------------------------------------------------------
         WITH            8   SHARED DISPOSITIVE POWER

                                      3,934,832 shares
- --------------------------------------------------------------------------------
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

               3,934,832 shares
- --------------------------------------------------------------------------------
  10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  / /


- --------------------------------------------------------------------------------
  11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

               37.33%
- --------------------------------------------------------------------------------
  12  TYPE OF REPORTING PERSON *

               IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 8 of 37 Pages
<PAGE>   9
CUSIP NO. 008644711                   13G                           PAGE 9 OF 37

- --------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON

      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

               Stephen G. Woodsum
- --------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a) / /
                                                                        (b) / /
- --------------------------------------------------------------------------------
  3   SEC USE ONLY

- --------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

               United States
- --------------------------------------------------------------------------------
                         5   SOLE VOTING POWER

                                      0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6   SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                       3,934,832 shares
                        --------------------------------------------------------
         EACH            7   SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                        0 shares
                        --------------------------------------------------------
         WITH            8   SHARED DISPOSITIVE POWER

                                      3,934,832 shares
- --------------------------------------------------------------------------------
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

               3,934,832 shares
- --------------------------------------------------------------------------------
  10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  / /


- --------------------------------------------------------------------------------
  11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

               37.33%
- --------------------------------------------------------------------------------
  12  TYPE OF REPORTING PERSON *

               IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 9 of 37 Pages
<PAGE>   10
CUSIP NO. 008644711                   13G                          PAGE 10 OF 37

- --------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON

      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

               Gregory M. Avis
- --------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3   SEC USE ONLY

- --------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

               United States
- --------------------------------------------------------------------------------
                         5   SOLE VOTING POWER

                                      0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6   SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                       3,934,832 shares
                        --------------------------------------------------------
         EACH            7   SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                        0 shares
                        --------------------------------------------------------
         WITH            8   SHARED DISPOSITIVE POWER

                                      3,934,832 shares
- --------------------------------------------------------------------------------
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

               3,934,832 shares
- --------------------------------------------------------------------------------
  10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  / /


- --------------------------------------------------------------------------------
  11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

               37.33%
- --------------------------------------------------------------------------------
  12  TYPE OF REPORTING PERSON *

               IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 10 of 37 Pages
<PAGE>   11
CUSIP NO. 008644711                   13G                          PAGE 11 OF 37

- --------------------------------------------------------------------------------
  1   NAME OF REPORTING PERSON

      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

               John A. Genest
- --------------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3   SEC USE ONLY

- --------------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

               United States
- --------------------------------------------------------------------------------
                         5   SOLE VOTING POWER

                                      0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6   SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                       3,934,832 shares
                        --------------------------------------------------------
         EACH            7   SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                        0 shares
                        --------------------------------------------------------
         WITH            8   SHARED DISPOSITIVE POWER

                                      3,934,832 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                3,934,832 shares
- ------ -------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /


- ------ -------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                37.33%
- ------ -------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *

                IN
- ------ -------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 11 of 37 Pages
<PAGE>   12
CUSIP NO. 008644711                   13G                          PAGE 12 OF 37

- --------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       
                Martin J. Mannion
- --------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3    SEC USE ONLY
       
- --------------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION
       
                United States
- --------------------------------------------------------------------------------
                         5    SOLE VOTING POWER

                                       0 shares
      NUMBER OF
                        --------------------------------------------------------
        SHARES           6    SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                       3,934,832 shares
                        --------------------------------------------------------
         EACH            7   SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                        0 shares
                        --------------------------------------------------------
         WITH            8   SHARED DISPOSITIVE POWER

                                      3,934,832 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      
                3,934,832 shares
- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /
      
      
- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
      
                37.33%
- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *
      
                IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 12 of 37 Pages
<PAGE>   13
CUSIP NO. 008644711                   13G                          PAGE 13 OF 37

- --------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       
                Ernest K. Jacquet
- --------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3    SEC USE ONLY
       
- --------------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION
       
                United States
- --------------------------------------------------------------------------------
                         5    SOLE VOTING POWER
                             
                                       0 shares
      NUMBER OF              
                        --------------------------------------------------------
        SHARES           6    SHARED VOTING POWER
                             
     BENEFICIALLY            
                             
       OWNED BY                        3,934,832 shares
                        --------------------------------------------------------
         EACH            7    SOLE DISPOSITIVE POWER
                             
      REPORTING              
                             
        PERSON                         0 shares
                        --------------------------------------------------------
         WITH            8    SHARED DISPOSITIVE POWER
                             
                                       3,934,832 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
       
                3,934,832 shares
       
- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /
       
       
- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
       
                37.33%
- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *
       
                IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 13 of 37 Pages
<PAGE>   14
CUSIP NO. 008644711                   13G                          PAGE 14 OF 37

- ------ -------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON

       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

                Bruce R. Evans
- ------ -------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- ------ -------------------------------------------------------------------------
  3    SEC USE ONLY

- ------ -------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION

                United States
- ------ -------------------------------------------------------------------------
                         5    SOLE VOTING POWER

                                       0 shares
      NUMBER OF
                        ----- --------------------------------------------------
        SHARES           6    SHARED VOTING POWER

     BENEFICIALLY

       OWNED BY                        3,934,832 shares
                        ----- --------------------------------------------------
         EACH            7    SOLE DISPOSITIVE POWER

      REPORTING

        PERSON                         0 shares
                        ----- --------------------------------------------------
         WITH            8    SHARED DISPOSITIVE POWER

                                       3,934,832 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
       
                3,934,832 shares
- --------------------------------------------------------------------------------
10     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
       
       
- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
       
                37.33%
- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *
       
                IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 14 of 37 Pages
<PAGE>   15
CUSIP NO. 008644711                   13G                          PAGE 15 OF 37

- --------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
      
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      
                Thomas S. Roberts
- --------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3    SEC USE ONLY
      
- --------------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION
      
                United States
- --------------------------------------------------------------------------------
                         5    SOLE VOTING POWER
                             
                                       0 shares
      NUMBER OF              
                        --------------------------------------------------------
        SHARES           6    SHARED VOTING POWER
                             
     BENEFICIALLY            
                             
       OWNED BY                        3,934,832 shares
                        --------------------------------------------------------
         EACH            7    SOLE DISPOSITIVE POWER
                             
      REPORTING              
                             
        PERSON                         0 shares
                        --------------------------------------------------------
         WITH            8    SHARED DISPOSITIVE POWER
                             
                                       3,934,832 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
       
                3,934,832 shares
- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /
       
       
- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
       
                37.33%
- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *
       
                IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 15 of 37 Pages
<PAGE>   16
CUSIP NO. 008644711                   13G                          PAGE 16 OF 37

- --------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
      
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      
                Walter G. Kortschak
- --------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3    SEC USE ONLY
      
- --------------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION
      
                United States
- --------------------------------------------------------------------------------
                         5    SOLE VOTING POWER
                             
                                       0 shares
      NUMBER OF              
                        --------------------------------------------------------
        SHARES           6    SHARED VOTING POWER
                             
     BENEFICIALLY            
                             
       OWNED BY                        3,934,832 shares
                        --------------------------------------------------------
         EACH            7    SOLE DISPOSITIVE POWER
                             
      REPORTING              
                             
        PERSON                         0 shares
                        --------------------------------------------------------
         WITH            8    SHARED DISPOSITIVE POWER
                             
                                       3,934,832 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
       
                3,934,832 shares
       
- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /
       
       
- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
       
                37.33%
       
- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *
       
                IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                               Page 16 of 37 Pages
<PAGE>   17
CUSIP NO. 008644711                   13G                          PAGE 17 OF 37

- --------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
      
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      
                Joseph F. Trustey
- --------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
  3    SEC USE ONLY
      
- --------------------------------------------------------------------------------
  4    CITIZENSHIP OR PLACE OF ORGANIZATION
      
                United States
      
- --------------------------------------------------------------------------------
                         5    SOLE VOTING POWER
                              
                                       0 shares
      NUMBER OF               
                        --------------------------------------------------------
        SHARES           6    SHARED VOTING POWER
                              
     BENEFICIALLY             
                              
       OWNED BY                        498,626 shares
                        --------------------------------------------------------
         EACH            7    SOLE DISPOSITIVE POWER
                              
      REPORTING               
                              
        PERSON                         0 shares
                        --------------------------------------------------------
         WITH            8    SHARED DISPOSITIVE POWER
                              
                                       498,626 shares
- --------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      
                498,626 shares
- --------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /
      
      
- --------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
      
                4.7%
- --------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON *
      
                IN
- --------------------------------------------------------------------------------
     

                               Page 17 of 37 Pages
<PAGE>   18
                                  Schedule 13G

Item 1(a).    Name of Issuer:  Suburban Ostomy Supply Co. Inc.

Item 1(b).    Address of Issuer's Principal Executive Offices:
              75 October Hill Road, Holliston, MA 01746

              Item 2(a). Names of Persons Filing: Summit Ventures III, L.P.,
              Summit Partners III, L.P., Summit Investors II, L.P., Stamps,
              Woodsum & Co. III, Summit Subordinated Debt Fund, L.P., Summit
              Partners SD, L.P. and Messrs. E. Roe Stamps, IV, Stephen G.
              Woodsum, Gregory M. Avis, John A. Genest, Martin J. Mannion,
              Ernest K. Jacquet, Bruce R. Evans, Thomas S. Roberts, Walter G.
              Kortschak, and Joseph F. Trustey. Summit Partners III, L.P. is the
              sole general partner of Summit Ventures III, L.P. Stamps, Woodsum
              & Co. III is the sole general partner of Summit Partners III, L.P.
              Summit Partners SD, L.P. is the sole general partner of Summit
              Subordinated Debt Fund, L.P. Stamps, Woodsum & Co. III is the sole
              general partner of Summit Partners SD, L.P. Messrs. Stamps,
              Woodsum, Avis, Genest, Mannion, Jacquet, Evans, Roberts and
              Kortschak are individual general partners of Stamps, Woodsum & Co.
              III, Summit Investors II, L.P. and Summit Partners SD II, L.P. Mr.
              Trustey is an individual general partner of Summit Partners SD II,
              L.P.

Item 2(b).    Address of Principal Business Office or, if None, Residence: The
              address of the principal business office of Summit Ventures III,
              L.P., Summit Partners III, L.P., Summit Investors II, L.P.,
              Stamps, Woodsum & Co. III, Summit Subordinated Debt Fund, L.P.,
              Summit Partners SD, L.P. and Messrs. Stamps, Woodsum, Mannion,
              Genest, Jacquet, Evans, Roberts and Trustey is Summit Partners,
              600 Atlantic Avenue, Boston, Massachusetts 02210. The address of
              the principal business office of Messrs. Avis and Kortschak is
              Summit Partners, 499 Hamilton Avenue, Palo Alto, California 94301.

Item 2(c).    Citizenship:  Each of Summit Ventures III, L.P., Summit Partners
              III, L.P., Summit Investors II, L.P., Summit Subordinated Debt
              Fund, L.P. and Summit Partners SD, L.P. is a limited partnership
              organized under the laws of the State of Delaware. Stamps, Woodsum
              & Co. III is a general partnership organized under the laws of the
              Commonwealth of Massachusetts. Each of Messrs. Stamps, Woodsum,
              Avis, Mannion, Genest, Jacquet, Evans, Roberts, Kortschak and
              Trustey is a United States citizen.

Item 2(d).    Title of Class of Securities:  Common Stock, no par value per
              share.

                              Page 18 of 37 Pages
<PAGE>   19
Item 2(e).    CUSIP Number:008644711

Item 3.       If this statement is filed pursuant to Rules 13d-1(b), or
              13d-2(b), check whether the person filing is a:

              (a)  [ ]  Broker or Dealer registered under Section 15 of the
                        Securities Exchange Act of 1934 (the "Act").

              (b)  [ ]  Bank as defined in Section 3(a)(6) of the Act.

              (c)  [ ]  Insurance Company as defined in Section 3(a)(19) of the
                        Act.

              (d)  [ ]  Investment Company registered under Section 8 of the
                        Investment Company Act of 1940.

              (e)  [ ]  Investment Adviser registered under Section 203 of the
                        Investment Advisers Act of 1940.

              (f)  [ ]  Employee Benefit Plan, Pension Fund which is subject to
                        the provisions of the Employee Retirement Income
                        Security Act of 1974 or Endowment Fund; see Rule
                        13d-1(b)(1)(ii)(F) of the Act.

              (g)  [ ]  Parent Holding Company, in accordance with Rule
                        13d-1(b)(ii)(G) of the Act.

              (h)  [ ]  Group, in accordance with Rule 13d-1(b)(1)(ii)(H) of the
                        Act.

              None.

Item 4.       Ownership.

              (a)  Amount Beneficially Owned:

                   Each of Summit Ventures III, L.P., Summit Partners III, L.P.,
                   Stamps, Woodsum & Co. III, Summit Investors II, L.P., Summit
                   Subordinated Debt Fund, L.P. and Summit Partners SD, L.P.
                   (individually an "Entity" and collectively the "Entities")
                   may be deemed to own beneficially 3,934,832 shares of Common
                   Stock as of December 31, 1997. Each of Messrs. Stamps,
                   Woodsum, Avis, Mannion, Genest, Jacquet, Evans, Roberts and
                   Kortschak may be deemed to own beneficially 3,934,832 shares
                   of Common Stock as of


                              Page 19 of 37 Pages
<PAGE>   20
                   December 31, 1997. Mr. Trustey may be deemed to beneficially
                   own 498,626 shares of Common Stock as of December 31, 1997.

                   As of December 31, 1997, Summit Ventures III, L.P. was the
                   record holder of 3,357,510 shares of Common Stock. As of
                   December 31, 1997, Summit Investors II, L.P. was the record
                   holder of 78,696 shares of Common Stock. As of December 31,
                   1997, Summit Subordinated Debt Fund, L.P. was the record
                   holder of 498,626 shares of Common Stock. The shares held of
                   record by Summit Ventures III, L.P. Summit Investors II, L.P.
                   and Summit Subordinated Debt Fund, L.P. are referred to
                   herein collectively as the "Record Shares." By virtue of the
                   affiliate relationships among the Entities, each Entity may
                   be deemed to own beneficially all of the Record Shares.
                   Hence, each Entity may be deemed to own beneficially
                   3,934,832 shares of Common Stock. In their capacities as
                   individual general partners of Stamps, Woodsum & Co. III and
                   Summit Investors II, L.P., each of Messrs. Stamps, Woodsum,
                   Avis, Mannion, Genest, Jacquet, Evans, Roberts, and Kortschak
                   may be deemed to own beneficially 3,934,832 shares of Common
                   Stock. Mr. Trustey may be deemed to own beneficially 498,626
                   shares of Common Stock.

         (b) Percent of Class:

                   Summit Ventures III, L.P.: 37.33%
                   Summit Partners III, L.P.: 37.33%
                   Stamps, Woodsum & Co. III: 37.33%
                   Summit Subordinated Debt Fund, L.P.:  37.33%
                   Summit Partners SD, L.P.:  37.33%
                   Summit Investors II, L.P.: 37.33%
                   E. Roe Stamps, IV: 37.33%
                   Stephen G. Woodsum: 37.33%
                   Martin J. Mannion: 37.33%
                   John A. Genest: 37.33%
                   Gregory M. Avis: 37.33%
                   Ernest K. Jacquet: 37.33%
                   Bruce R. Evans: 37.33%
                   Walter G. Kortschak: 37.33%
                   Thomas S. Roberts: 37.33%
                   Joseph F. Trustey: 4.7%

         The foregoing percentages are calculated based on the 10,538,622 shares
         of Common Stock reported to be outstanding on Surburban Ostomy Supply
         Co.'s Form 10-Q for the quarter ended November 29, 1997.


                              Page 20 of 37 Pages
<PAGE>   21
         (c)      Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote:

                        0 shares for each reporting person

                  (ii)  shared power to vote or to direct the vote:

                          Summit Ventures III, L.P.: 3,934,832 shares
                          Summit Partners III, L.P.: 3,934,832 shares
                          Stamps, Woodsum & Co. III: 3,934,832 shares
                          Summit Investors II, L.P.: 3,934,832 shares
                          Summit Subordinated Debt Fund, L.P.: 3,934,832 shares
                          Summit Partners SD, L.P.: 3,934,832 shares
                          E. Roe Stamps, IV: 3,934,832 shares
                          Stephen G. Woodsum: 3,934,832 shares
                          Martin J. Mannion: 3,934,832 shares
                          John A. Genest: 3,934,832 shares
                          Gregory M. Avis: 3,934,832 shares
                          Ernest K. Jacquet: 3,934,832 shares
                          Bruce R. Evans: 3,934,832 shares
                          Walter G. Kortschak: 3,934,832 shares
                          Thomas S. Roberts: 3,934,832 shares
                          Joseph F. Trustey: 498,626 shares

                  (iii) sole power to dispose or direct the disposition of:

                          0 shares for each reporting person

                  (iv)  shared power to dispose or direct the disposition of:

                           Summit Ventures III, L.P.: 3,934,832 shares
                           Summit Partners III, L.P.: 3,934,832 shares
                           Stamps, Woodsum & Co. III: 3,934,832 shares
                           Summit Investors II, L.P.: 3,934,832 shares
                           Summit Subordinated Debt Fund, L.P.: 3,934,832 shares
                           Summit Partners SD, L.P.: 3,934,832 shares
                           E. Roe Stamps, IV: 3,934,832 shares
                           Stephen G. Woodsum: 3,934,832 shares
                           Martin J. Mannion: 3,934,832 shares
                           John A. Genest: 3,934,832 shares
                           Gregory M. Avis: 3,934,832 shares
                           Ernest K. Jacquet: 3,934,832 shares
                           Bruce R. Evans: 3,934,832 shares
                           Walter G. Kortschak: 3,934,832 shares


                              Page 21 of 37 Pages
<PAGE>   22
                           Thomas S. Roberts: 3,934,832 shares
                           Joseph F. Trustey: 498,626 shares

                Each of the reporting persons expressly disclaims beneficial
                ownership of any shares of Common Stock of Suburban Ostomy
                Supply Co. Inc., except in the case of Summit Ventures III,
                L.P., for the 3,357,510 shares which it holds or record, in
                the case of Summit Subordinated Debt Fund, L.P., for the
                498,626 shares which it holds of record, and in the case of
                Summit Investors II, L.P., for the 78,696 shares which it
                holds of record.

Item 5.         Ownership of Five Percent or Less of a Class.

                Not Applicable

Item 6.         Ownership of More than Five Percent on Behalf of Another Person.

                Not Applicable.

Item 7.         Identification and Classification of the Subsidiary which
                Acquired the Security Being Reported on By the Parent Holding
                Company.

                Not Applicable.

Item 8.         Identification and Classification of Members of the Group.

                Not Applicable. The reporting persons expressly disclaim
                membership in a "group" as defined in Rule 13d-1(b)(ii)(H).

Item 9.         Notice of Dissolution of Group.

                Not Applicable.

Item 10.        Certification.

                Not Applicable. This statement on Schedule 13G is not filed
                pursuant to Rule 13d-1(b).


                              Page 22 of 37 Pages
<PAGE>   23
                                   SIGNATURES


      After reasonable inquiry and to the best of our knowledge and belief, we
certify that the information set forth in this statement is true, complete and
correct. We also hereby agree to file this statement jointly pursuant to the
Agreement listed on Exhibit 1 hereto.

Dated:  February 10, 1998

SUMMIT VENTURES III, L.P.                   SUMMIT SUBORDINATED DEBT
                                            FUND, L.P.

By:  Summit Partners III, L.P.              By:  Summit Partners SD, L.P.

By:  Stamps, Woodsum & Co. III              By:  Stamps, Woodsum & Co. III

     By:             *                           By:             *
          -------------------------                   -------------------------
          E. Roe Stamps, IV                           E. Roe Stamps, IV
          General Partner                             General Partner

SUMMIT INVESTORS II, L.P.                   SUMMIT PARTNERS SD, L.P.

                                            By:  Stamps, Woodsum & Co. III

By:  /s/ John A. Genest                          By:             *
     ------------------------------                   -------------------------
            General Partner                           E. Roe Stamps, IV
                                                      General Partner

SUMMIT PARTNERS III, L.P.                   STAMPS, WOODSUM & CO. III

By:  Stamps, Woodsum & Co. III

     By:             *                      By:             *
          -------------------------              -------------------------
          E. Roe Stamps, IV                      E. Roe Stamps, IV
          General Partner                        General Partner


                              Page 23 of 37 Pages
<PAGE>   24
                                                               *
                                                 -----------------------------
                                                 Walter G. Kortschak

                                                               *
                                                 -----------------------------
                                                 E. Roe Stamps, IV

                                                               *
                                                 -----------------------------
                                                 Stephen G. Woodsum

                                                               *
                                                 -----------------------------
                                                 Gregory M. Avis

                                                               *
                                                 -----------------------------
                                                 Martin J. Mannion


                                                 /s/ John A. Genest
                                                 -----------------------------
                                                 John A. Genest

                                                               *
                                                 -----------------------------
                                                 Ernest K. Jacquet

                                                               *
                                                 -----------------------------
                                                 Bruce R. Evans

                                                               *
                                                 -----------------------------
                                                 Thomas S. Roberts

                                                               *
                                                 -----------------------------
                                                 Joseph F. Trustey


                                                 *By:  /s/ John A Genest
                                                       -----------------------
                                                       John A. Genest,
                                                       Attorney-in-Fact

- --------------------------------------------------------------------------------
*    Pursuant to Powers of Attorney on file with the Commission, which Powers of
Attorney are incorporated herein by reference. Copies of such Powers of Attorney
are attached hereto as Exhibit 2.


                              Page 24 of 37 Pages
<PAGE>   25
                                                                       Exhibit 1

                                    AGREEMENT

         Pursuant to Rule 13d-1(f)(1) under the Securities Exchange Act of 1934,
the undersigned hereby agree that only one statement containing the information
required by Schedule 13G need be filed with respect to the ownership by each of
the undersigned of shares of Common Stock of Suburban Ostomy Supply Co. Inc.

         This agreement may be executed in any number of counterparts, each of
which shall be deemed an original.

         EXECUTED this 10 day of February, 1998.

SUMMIT VENTURES III, L.P.                   SUMMIT PARTNERS SD, L.P.

                                            By:  Stamps, Woodsum & Co. III
By:  Summit Partners III, L.P.

By:  Stamps, Woodsum & Co. III
                                                 By:             *
     By:             *                                -------------------------
          -------------------------                   E. Roe Stamps, IV
          E. Roe Stamps, IV                           General Partner
          General Partner

SUMMIT INVESTORS II, L.P.                   SUMMIT PARTNERS III, L.P.

                                            By:  Stamps, Woodsum & Co. III

By:  /s/ John A. Genest                          By:             *
     ------------------------------                   -------------------------
            General Partner                           E. Roe Stamps, IV
                                                      General Partner


SUMMIT SUBORDINATED DEBT                    STAMPS, WOODSUM & CO. III
FUND, L.P.

By:  Summit Partners SD, L.P                By:             *
                                                 -------------------------
                                                 E. Roe Stamps, IV
By:  Stamps, Woodsum & Co. III                   General Partner

     By:             *
          -------------------------
              E. Roe Stamps, IV
              General Partner


                              Page 25 of 37 Pages
<PAGE>   26
                                                               *
                                                 -----------------------------
                                                 E. Roe Stamps, IV

                                                               *
                                                 -----------------------------
                                                 Stephen G. Woodsum

                                                               *
                                                 -----------------------------
                                                 Gregory M. Axis

                                                               *
                                                 -----------------------------
                                                 Martin J. Mannion


                                                 /s/ John A. Genest
                                                 -----------------------------
                                                 John A. Genest

                                                               *
                                                 -----------------------------
                                                 Ernest K. Jacquet

                                                               *
                                                 -----------------------------
                                                 Bruce R. Evans

                                                               *
                                                 -----------------------------
                                                 Walter G. Kortschak

                                                               *
                                                 -----------------------------
                                                 Thomas S. Roberts

                                                               *
                                                 -----------------------------
                                                 Joseph F. Trustey

                                                 *By: /s/ John A. Genest
                                                     -------------------------
                                                      John A. Genest,
                                                      Attorney-in-Fact

- --------------------------------------------------------------------------------
*     Pursuant to Powers of Attorney on file with the Commission, which Powers
      of Attorney are incorporated herein by reference. Copies of such Powers of
      Attorney are attached hereto as Exhibit 2.


                              Page 26 of 37 Pages
<PAGE>   27
                                                                       Exhibit 2

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that each person whose signature
appears below hereby constitutes and appoints each and any of E. Roe Stamps, IV,
Stephen G. Woodsum and John A. Genest his true and lawful attorney-in-fact and
agent, with full power of substitution and resubstitution, for him and in his
name, place and stead, in any and all capacities (until revoked in writing) to
sign any and all instruments, certificates and documents required to be executed
on behalf of himself individually or on behalf of each or any of Summit
Ventures, L.P., Summit Partners, L.P., Stamps, Woodsum & Co., Summit Partners'
Holdings, L.P., Summit Ventures II, L.P., Summit Partners II, L.P., Stamps,
Woodsum & Co. II, SV Eurofund C.V., SV International, L.P., Stamps, Woodsum
International & Co., Summit Investors, L.P., Summit Investors II, L.P., Summit
Investors III, L.P., Summit Ventures III, L.P., Summit Partners III, L.P.,
Stamps, Woodsum & Co. III, Summit Ventures IV, L.P., Summit Partners IV, L.P.,
Stamps, Woodsum & Co., IV, Summit Subordinated Debt Fund, L.P., Summit Partners
SD, L.P., SW Management Corp., Summit Management Co., Summit Subordinated Debt
Fund II, L.P., and Summit Partners SD II, LLC, pursuant to sections 13 and 16 of
the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any
and all regulations promulgated thereunder, and to file the same, with all
exhibits thereto, and any other documents in connection therewith, with the
Securities and Exchange Commission, and with any other entity when and if such
is mandated by the Exchange Act or by the By-laws of the National Association of
Securities Dealers, granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
fully to all intents and purposes as she might or could do in person thereby
ratifying and confirming all that said attorney-in-fact and agent, or her
substitute or substitutes, may lawfully do or cause to be done by virtue hereof.


                              Page 27 of 37 Pages
<PAGE>   28
         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
10th day of February, 1997.

                                       /s/  E. Roe Stamps, IV
                                       ------------------------------------
                                       E. Roe Stamps, IV

Commonwealth of Massachusetts   )
                                ) ss:
County of Suffolk               )

         On this 10th day of February, 1997, before me personally came E. Roe
Stamps, IV, known to me to be the person described and who executed the
foregoing instrument that he acknowledged that he executed the same.

[Notary Seal]

                                       /s/  Cynthia R. Freidman
                                       ------------------------------------
                                       Notary Public

                                       My Commission expires:  October 20, 2000


                              Page 28 of 37 Pages
<PAGE>   29
         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
10th day of February, 1997.

                                       /s/  Stephen G. Woodsum
                                       ------------------------------------
                                       Stephen G. Woodsum

Commonwealth of Massachusetts    )
                                 ) ss:
County of Suffolk                )

         On this 10th day of February, 1997, before me personally came Stephen
G. Woodsum, known to me to be the person described and who executed the
foregoing instrument that he acknowledged that he executed the same.

[Notary Seal]

                                       /s/  Cynthia R. Freidman
                                       ------------------------------------
                                       Notary Public

                                       My Commission expires:  October 20, 2000


                              Page 29 of 37 Pages
<PAGE>   30
         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
10th day of February, 1997.

                                       /s/  Martin J. Mannion
                                       ------------------------------------
                                       Martin J. Mannion

Commonwealth of Massachusetts    )
                                 ) ss:
County of Suffolk                )

         On this 10th day of February, 1997, before me personally came Martin J.
Mannion, known to me to be the person described and who executed the foregoing
instrument that he acknowledged that he executed the same.

[Notary Seal]

                                       /s/  Cynthia R. Freidman
                                       ------------------------------------
                                       Notary Public

                                       My Commission expires:  October 20, 2000


                              Page 30 of 37 Pages
<PAGE>   31
         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
10th day of February, 1997.

                                       /s/ John A. Genest
                                       ------------------------------------
                                       John A. Genest

Commonwealth of Massachusetts    )
                                 ) ss:
County of Suffolk                )

         On this 10th day of February, 1997, before me personally came John A.
Genest, known to me to be the person described and who executed the foregoing
instrument that he acknowledged that he executed the same.

[Notary Seal]

                                       /s/  Cynthia R. Freidman
                                       ------------------------------------
                                       Notary Public

                                       My Commission expires:  October 20, 2000


                              Page 31 of 37 Pages
<PAGE>   32
         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
10th day of February, 1997.

                                       /s/ Gregory M. Avis
                                       ------------------------------------
                                       Gregory M. Avis

State of California     )
                        ) ss:
County of Santa Clara   )

         On this 3rd day of February, 1997, before me personally came Stephen G.
Woodsum, known to me to be the person described and who executed the foregoing
instrument that he acknowledged that he executed the same.

[Notary Seal]

                                       /s/ Katherine C. Ely
                                       ------------------------------------
                                       Notary Public

                                       My Commission expires:  May 28, 2000


                              Page 32 of 37 Pages
<PAGE>   33
         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
10th day of February, 1997.

                                       /s/  Ernest K. Jacquet
                                       ------------------------------------
                                       Earnest K. Jacquet

Commonwealth of Massachusetts    )
                                 ) ss:
County of Suffolk                )

         On this 10th day of February, 1997, before me personally came Earnest
K. Jacquet, known to me to be the person described and who executed the
foregoing instrument that he acknowledged that he executed the same.

[Notary Seal]

                                       /s/  Cynthia R. Freidman
                                       ------------------------------------
                                       Notary Public

                                       My Commission expires:  October 20, 2000


                              Page 33 of 37 Pages
<PAGE>   34
         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
10th day of February, 1997.

                                       /s/  Thomas S. Roberts
                                       ------------------------------------
                                       Thomas S. Roberts

Commonwealth of Massachusetts    )
                                 ) ss:
County of Suffolk                )

         On this 10th day of February, 1997, before me personally came Thomas S.
Roberts, known to me to be the person described and who executed the foregoing
instrument that he acknowledged that he executed the same.

[Notary Seal]

                                       /s/  Cynthia R. Freidman
                                       ------------------------------------
                                       Notary Public

                                       My Commission expires:  October 20, 2000


                              Page 34 of 37 Pages
<PAGE>   35
         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
10th day of February, 1997.

                                       /s/ Bruce R. Evans
                                       ------------------------------------
                                       Bruce R. Evans

Commonwealth of Massachusetts    )
                                 ) ss:
County of Suffolk                )

         On this 10th day of February, 1997, before me personally came Bruce R.
Evans, known to me to be the person described and who executed the foregoing
instrument that he acknowledged that he executed the same.

[Notary Seal]

                                       /s/  Cynthia R. Freidman
                                       ------------------------------------
                                       Notary Public

                                       My Commission expires:  October 20, 2000


                              Page 35 of 37 Pages
<PAGE>   36
         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
10th day of February, 1997.

                                       /s/  Walter G. Kortschak
                                       ------------------------------------
                                       Walter G. Kortschak

State of California        )
                           ) ss:
County of Santa Clara      )

         On this 3rd day of February, 1997, before me personally came Walter G.
Kortschak, known to me to be the person described and who executed the foregoing
instrument that he acknowledged that he executed the same.

[Notary Seal]

                                       /s/ Katherine C. Ely
                                       ------------------------------------
                                       Notary Public

                                       My Commission expires:  May 28, 2000


                              Page 36 of 37 Pages
<PAGE>   37
         IN WITNESS WHEREOF, this Power of Attorney has been signed as of the
10th day of February, 1997.

                                       /s/  Joseph F. Trustey
                                       ------------------------------------
                                       Joseph F. Trustey

Commonwealth of Massachusetts    )
                                 ) ss:
County of Suffolk                )

         On this 10th day of February, 1997, before me personally came Joseph F.
Trustey, known to me to be the person described and who executed the foregoing
instrument that he acknowledged that he executed the same.

[Notary Seal]

                                       /s/  Cynthia R. Freidman
                                       ------------------------------------
                                       Notary Public

                                       My Commission expires:  October 20, 2000


                              Page 37 of 37 Pages


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