<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF UTILX CORPORATION FOR JUNE 30, 2000 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> MAR-31-2000
<PERIOD-START> APR-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 561
<SECURITIES> 0
<RECEIVABLES> 24,728
<ALLOWANCES> 530
<INVENTORY> 5,063
<CURRENT-ASSETS> 30,834
<PP&E> 41,034
<DEPRECIATION> 30,035
<TOTAL-ASSETS> 42,281
<CURRENT-LIABILITIES> 19,294
<BONDS> 0
0
0
<COMMON> 75
<OTHER-SE> 20,298
<TOTAL-LIABILITY-AND-EQUITY> 42,281
<SALES> 27,015
<TOTAL-REVENUES> 27,015
<CGS> 24,322
<TOTAL-COSTS> 26,562
<OTHER-EXPENSES> 170
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 181
<INCOME-PRETAX> 283
<INCOME-TAX> 0
<INCOME-CONTINUING> 283
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 283
<EPS-BASIC> .04
<EPS-DILUTED> .04
</TABLE>