<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS FOR THE PERIOD FROM APRIL 1, 1999 TO MARCH 31, 2000 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAR-31-2000
<PERIOD-END> MAR-31-2000
<CASH> 449,429
<SECURITIES> 0
<RECEIVABLES> 3,879,893
<ALLOWANCES> (50,000)
<INVENTORY> 1,007,464
<CURRENT-ASSETS> 6,718,748
<PP&E> 9,496,844
<DEPRECIATION> (4,386,147)
<TOTAL-ASSETS> 13,031,191
<CURRENT-LIABILITIES> 6,689,396
<BONDS> 1,881,900
0
3,085,728
<COMMON> 5,933,226
<OTHER-SE> (4,699,398)
<TOTAL-LIABILITY-AND-EQUITY> 13,031,191
<SALES> 0
<TOTAL-REVENUES> 23,593,187
<CGS> 0
<TOTAL-COSTS> 20,272,303
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 347,337
<INCOME-PRETAX> 379,021
<INCOME-TAX> (139,000)
<INCOME-CONTINUING> 518,022
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 518,022
<EPS-BASIC> 0.02
<EPS-DILUTED> 0.02
</TABLE>