<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THERMO TERRATECH INC.'S
ANNUAL REPORT ON FORM 10-K FOR THE PERIOD ENDED APRIL 1,2000
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> APR-01-2000
<PERIOD-END> APR-01-2000
<CASH> 4,157
<SECURITIES> 0
<RECEIVABLES> 54,232
<ALLOWANCES> 2,695
<INVENTORY> 2,001
<CURRENT-ASSETS> 137,697
<PP&E> 136,267
<DEPRECIATION> 66,311
<TOTAL-ASSETS> 304,553
<CURRENT-LIABILITIES> 106,964
<BONDS> 116,454
0
0
<COMMON> 1,961
<OTHER-SE> 49,609
<TOTAL-LIABILITY-AND-EQUITY> 304,553
<SALES> 0
<TOTAL-REVENUES> 307,329
<CGS> 0
<TOTAL-COSTS> 243,382
<OTHER-EXPENSES> 56,981
<LOSS-PROVISION> 715
<INTEREST-EXPENSE> 8,743
<INCOME-PRETAX> (43,858)
<INCOME-TAX> 2,522
<INCOME-CONTINUING> (43,326)
<DISCONTINUED> 0
<EXTRAORDINARY> 107
<CHANGES> 0
<NET-INCOME> (43,219)
<EPS-BASIC> (2.27)
<EPS-DILUTED> (2.27)
</TABLE>