• Advanced Elastomer Systems

• Advanced Elastomer Systems Canada, Inc.

• American LOKRING

• Associated Products Co.

• Dacar Industries, Inc.

• Diversifoam Products

• EMSEAL Joint Systems

• Eco-Wares

• Homasote Company

• Husky Oil Marketing Company

• Ink Smith Inc.

• Pecora Corp.

• Polytite Mfg. Corp., Dur-O-Wal

• Progress Unlimited, Inc.

• Rutland Fire Clay Co.

• SITURA, Inc.

• STEMCO Inc.

• Sandell Manufacturing

• Schul Intl Co.

• Seal-Krete, Inc.

• SealGuard USA

• Sealex, Inc.

• Shelter Enterprises, Inc.

• Situra, Inc.

• Vandex USA

• WESTEC Barrier Technologies, Inc.

• Watson-Bowman Acme Corp.