Subsidiaries of the Registrant
IceSolv, Inc. - a Pennsylvania corporation which was formed in June, 1993.
Cannon Sline, Inc. - a Pennsylvania corporation formed by merger of Oliver B.
Cannon & Son, Inc. and Sline Industrial Painters, Inc.
IMCON Painters, Inc. - a Texas corporation which was formed in October, 1996.
Mansfield Industrial Coatings, Inc. - a Mississippi corporation which was
acquired by Canisco Resources, Inc. on April 22, 1998.
Other Notes:
(1) Canisco Resources, Inc., is the survivor by merger of Canisco Resources,
Inc., a Delaware corporation, Nuclear Support Services, Inc., a Virginia
corporation and NSS of Delaware, Inc., a Delaware corporation.
Shareholder approval of the merger of these entities was received at a
Special Meeting of Shareholders held March 29, 1996. The merger was
effective May 24, 1996.
(2) Henze Services, Inc. - substantially all the assets of Henze were sold
to Harley Industries, Inc. of Tulsa, Oklahoma in June, 1996.
Exhibit 21
