EXHIBIT 21 SPARTECH CORPORATION SUBSIDIARIES OF REGISTRANT Legal Entity DBA Incorporation - --------------------- ------------------ ---------------- Atlas Alchem Plastics, Spartech Plastics Delaware Inc. Spartech Color Franklin-Burlington Spartech Vy-Cal Delaware Plastics, Inc. Spartech Polycom Alchem Plastics, Inc. Spartech Plastics Delaware Alchem Plastics Spartech Plastics Georgia Corporation Anjac-Doron Plastics, Spartech Profiles Delaware Inc. Spartech Polycom, Inc. Spartech Polycom Pennsylvania Spartech Color PH Chemicals, Inc. Spartech Plastics Delaware Spartech Polycom, S.A. Spartech Polycom France Spartech Plastics, Inc. Spartech Plastics Delaware Spartech Profiles Spartech Industries, Spartech Industries Delaware Inc. Spartech Canada, Inc. Spartech Industries New Brunswick, Canada Spartech Color Spartech Plastics Spartech Profiles Alshin Tire Alshin Tire Corporation California Corporation Spartech Industries Spartech Polycast Spartech Polycast Delaware Spartech Townsend Spartech Townsend Delaware Spartech Industries Spartech Marine Delaware Florida, Inc.