<ARTICLE> 5
<CURRENCY> U.S.DOLLARS
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-END>                               DEC-31-1997
<EXCHANGE-RATE>                                      1
<CASH>                                         876,973
<SECURITIES>                                         0
<RECEIVABLES>                               25,775,652
<ALLOWANCES>                                         0
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<CURRENT-ASSETS>                            30,099,056
<PP&E>                                      20,618,155
<DEPRECIATION>                              16,446,659
<TOTAL-ASSETS>                              59,855,967
<CURRENT-LIABILITIES>                       11,315,221
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       731,675
<OTHER-SE>                                  42,490,071
<TOTAL-LIABILITY-AND-EQUITY>                59,855,967
<SALES>                                     36,614,125
<TOTAL-REVENUES>                            36,614,125
<CGS>                                                0
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<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
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<INCOME-PRETAX>                                610,088
<INCOME-TAX>                                   232,000
<INCOME-CONTINUING>                            378,088
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<CHANGES>                                            0
<NET-INCOME>                                   378,088
<EPS-PRIMARY>                                      .06
<EPS-DILUTED>                                      .06