<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from consolidated
financial statements and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                           1,961
<SECURITIES>                                         0
<RECEIVABLES>                                   38,683
<ALLOWANCES>                                         0
<INVENTORY>                                      1,076
<CURRENT-ASSETS>                                45,989
<PP&E>                                          56,760
<DEPRECIATION>                                  18,559
<TOTAL-ASSETS>                                  88,679
<CURRENT-LIABILITIES>                           28,928
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         4,150
<OTHER-SE>                                      50,868
<TOTAL-LIABILITY-AND-EQUITY>                    88,679
<SALES>                                         46,914
<TOTAL-REVENUES>                                46,914
<CGS>                                           38,603
<TOTAL-COSTS>                                   40,217
<OTHER-EXPENSES>                                  (67)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  42
<INCOME-PRETAX>                                  6,722
<INCOME-TAX>                                     2,489
<INCOME-CONTINUING>                              4,233
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     4,233
<EPS-PRIMARY>                                     0.36
<EPS-DILUTED>                                     0.36