• Advanced Elastomer Systems

• Advanced Elastomer Systems Canada, Inc.

• Bayform Div. Of Bay Mills Ltd.

• CertainTeed Corporation

• Chemtron Manufacturing Inc.

• Crystalite

• DAP Canada Inc.

• Dow Corning Inc.

• DuPont Elastomers L.L.C.

• E-Poxy Industries

• Edelstein Diversified Co. Ltd.

• Edgetech I. G.

• Elbex Corporation

• Fiore Skylights Inc.

• Focuseal

• G-U hardware

• GE Bayer Silicones bv E-Business Services

• GE Canada Inc.

• GE Sealants and Adhesives

• Glasslam

• Insulgard Corp.

• Kawneer Company of Canada

• Laurence: C.R. Laurence Co.

• Marlite

• Mirart Inc.

• Muralo Co.

• Newborn Brothers Co.

• Norton Performance Plastics Corp.

• Palmer Products Corporation

• Pecora Corp.

• Pemko Manufacturing Company

• R.C. Musson Rubber Co.

• Red Devil, Inc.

• Select Interior Door

• Sivento

• Solutia Inc.

• Southwall Technologies

• Tremco Sealant/Weatherproofing Division

• Weathercap