<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
June 30, 1996 Balance sheet and Income Statement for the six month period
ended June 30, 1996 herewith filed and is qualified in its entirety by
reference to such statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                           34754
<SECURITIES>                                         0
<RECEIVABLES>                                    20251
<ALLOWANCES>                                       634
<INVENTORY>                                          0
<CURRENT-ASSETS>                                 65702
<PP&E>                                           70164
<DEPRECIATION>                                   41453
<TOTAL-ASSETS>                                  113877
<CURRENT-LIABILITIES>                            56912
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                          1016
<OTHER-SE>                                       54793
<TOTAL-LIABILITY-AND-EQUITY>                    113877
<SALES>                                          89116
<TOTAL-REVENUES>                                 89204
<CGS>                                            84083
<TOTAL-COSTS>                                    84083
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 488
<INCOME-PRETAX>                                   4633
<INCOME-TAX>                                      1974
<INCOME-CONTINUING>                               2659
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                      2659
<EPS-PRIMARY>                                     0.26
<EPS-DILUTED>                                        0