• Thermafiber

• 3M Fire Protection Products

• A/D Fire Protection Systems Inc.

• Air Krete Inc.

• Allied Coatings Ltd.

• Allied Painting Contractors

• Allsteel & Gypsum Products, Inc.

• BABB International Inc.

• Barker Steel-Lebanon Div.

• CSD Sealing Systems

• Cafco Industries Inc.

• Carosan Corp.

• Cease Fire by Dis-Cover

• Concrete Service Materials Co.

• Durasystems Barriers Inc.

• ELCO Textron

• Elliott Diamond

• Enco Materials of Georgia

• Ever Ready Technologies Ltd.

• FLA Memaster Corp.

• Fire Trak Corporation

• Firestop Contractors International Association

• Firestop Contractors International Association

• Flame Seal Products

• Flame Stop, Inc.

• Flame Tech, Inc.

• Garretson Tile Company

• Great Lakes Chemical Corp.

• Harris Specialty Chemicals

• Ink Smith Inc.

• Innovative Formulations Inc.

• International Fire Resistant Systems, Inc.

• JACO MFG INC

• Lafarge North America

• Lydall

• Monarflex, Inc.

• National Fireproofing Co.

• Nelson Firestop Products

• New York Fire-Shield

• Paisley Products of Canada

• Passive Fire Protection Partners

• Pecora Corp.

• ProSet Systems, Inc.

• RectorSeal Corporation

• Rock Wool Manufacturing Co.

• Roxul Inc.

• STC Flammadur

• SafSeal Innovations, div. Protecto Wrap Company

• South Beach Fire Service

• Specified Technologies Inc.

• TVM Building Products

• Tenmat Inc.

• Thermal Ceramics

• Thermal Structures Inc.

• Tremco Sealant/Weatherproofing Division

• USG Corporation

• Unifrax Corp.

• Unique Fire Stop Products

• Vimasco Corp.

• Zero International