• Royston Laboratories Division

• SafSeal Innovations, div. Protecto Wrap Company

• Sarnafil

• Sarnafil Ltd.

• Sarnafil Ltd.

• SaverSystems

• Sealoflex, Inc.

• Siplast, Inc.

• StaFast Building Products

• Tamko Roofing Products

• The Garland Company UK Ltd.

• The Garland Company, Inc.

• Tuff Industries Inc.

• Tyco Plastics

• Urecoats Industries Inc.

• Valeron Strength Films

• Victaulic Company of America

• WEBTEC, Inc.

• Weather Barrier, Inc.

• Wind-lock Corp.

• York Manufacturing, Inc.