<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
consolidated balance sheets and consolidated statements of income in the
Company's Quarterly Report to Shareholders for the quarter ended November 30,
1997 and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-END>                               NOV-30-1997
<CASH>                                           5,842
<SECURITIES>                                         0
<RECEIVABLES>                                   21,627
<ALLOWANCES>                                       744
<INVENTORY>                                      2,716
<CURRENT-ASSETS>                                36,881
<PP&E>                                          18,031
<DEPRECIATION>                                   9,113
<TOTAL-ASSETS>                                  68,202
<CURRENT-LIABILITIES>                           31,772
<BONDS>                                         16,511
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           123
<OTHER-SE>                                       8,457
<TOTAL-LIABILITY-AND-EQUITY>                     8,580
<SALES>                                        118,400
<TOTAL-REVENUES>                               118,400
<CGS>                                           97,685
<TOTAL-COSTS>                                   97,685
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,736
<INCOME-PRETAX>                                  9,709
<INCOME-TAX>                                     3,835
<INCOME-CONTINUING>                              5,874
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,874
<EPS-PRIMARY>                                     0.49
<EPS-DILUTED>                                     0.48