• Gardner-Gibson, Inc.

• Garland Canada Inc.

• Grace Construction Products

• Ink Smith Inc.

• JDR Enterprises

• Karnak Corporation

• Multi-Chemical Products, Inc., Div. Of Quaker

• NEI Advanced Composite Technology (NEI, Inc.)

• National Applied Construction Products, Inc.

• Nervastral LLC

• ODL, Inc.

• Pecora Corp.

• Permaquik Corporation

• Polyguard Products, Inc.

• Polytite Mfg. Corp., Dur-O-Wal

• Progress Unlimited, Inc.

• Protecto Wrap Company

• Republic Powdered Metals, Inc.

• Royston Laboratories Division

• SafSeal Innovations, div. Protecto Wrap Company

• Sarnafil

• Sarnafil Ltd.

• Sarnafil Ltd.

• SaverSystems

• Sealoflex, Inc.

• Siplast, Inc.