OP TECH ENVIRONMENTAL SERVICES INC


5000 BRITTONFIELD PARKWAY, SYRACUSE NY 13221, 3154631643
HAZARDOUS WASTE MANAGEMENT

1998 SEC Filings

OP TECH ENVIRONMENTAL SERVICES INC, 10-Q, 1998-11-13
OP TECH ENVIRONMENTAL SERVICES INC, DEFS14A, 1998-11-02
OP TECH ENVIRONMENTAL SERVICES INC, 10-Q, 1998-08-14
OP TECH ENVIRONMENTAL SERVICES INC, 10-Q, 1998-05-15
OP TECH ENVIRONMENTAL SERVICES INC, SC 13D, 1998-04-27
OP TECH ENVIRONMENTAL SERVICES INC, SC 13G, 1998-04-27
OP TECH ENVIRONMENTAL SERVICES INC, 10-K, 1998-04-15
OP TECH ENVIRONMENTAL SERVICES INC, NT 10-K, 1998-03-31
OP TECH ENVIRONMENTAL SERVICES INC, 10-K/A, 1998-03-05
OP TECH ENVIRONMENTAL SERVICES INC, 10-Q/A, 1998-03-04


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