<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF CET ENVIRONMENTAL SERVICES, INC. FOR THE 9
MONTHS ENDED 9/30/00 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 370,275
<SECURITIES> 0
<RECEIVABLES> 10,751,812
<ALLOWANCES> 286,586
<INVENTORY> 10,961
<CURRENT-ASSETS> 11,497,144
<PP&E> 2,988,027
<DEPRECIATION> 1,401,412
<TOTAL-ASSETS> 13,120,439
<CURRENT-LIABILITIES> 6,014,529
<BONDS> 201,071
0
0
<COMMON> 8,633,429
<OTHER-SE> (1,681,432)
<TOTAL-LIABILITY-AND-EQUITY> 13,120,439
<SALES> 17,866,704
<TOTAL-REVENUES> 17,866,704
<CGS> 15,871,679
<TOTAL-COSTS> 15,871,679
<OTHER-EXPENSES> 2,429,847
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 21,353
<INCOME-PRETAX> 973,641
<INCOME-TAX> (8,738)
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 982,379
<EPS-BASIC> .16
<EPS-DILUTED> .16
</TABLE>