• 3M Fire Protection Products

• A/D Fire Protection Systems Inc.

• ATOFINA Chemicals, Inc.

• ATOFINA Technical Polymer Department

• Air Krete Inc.

• Allied Painting Contractors

• Allied-Trent Roofing Systems Inc.

• Alpine Engineered Products, Inc.

• BENOLEC

• Bartile Roofs

• CBG South Inc.

• Cafco Industries Inc.

• Cafco International

• Carboline Company, Canada

• Carboline Company, USA

• Cedar Shake & Shingle Bureau

• Celufibre Industries Inc.

• Corrosion Service Company Ltd.

• D. V. Fyre-Tec

• Davlin Coatings

• Durasystems Barriers Inc.

• Ever Ready Technologies Ltd.

• Five Star Windows

• Flame Safe Chemical Corp.

• Florida Painting

• Geobond International

• Glass Blocks Unlimited

• Grace Construction Products

• Hall: L.B. Hall Enterprises

• I B G Canada Ltd.

• Infinity Coatings International

• Ink Smith Inc.

• Innovative Formulations Inc.

• International Fire Resistant Systems, Inc.

• International Refractory Services Corp.

• Loadmaster Systems

• Lydall

• Mandoval Vermiculite Products, Inc

• Metacrylics

• National Fireproofing Co.

• Nelson Firestop Products

• Nemiroff Corp.

• New York Fire-Shield

• Nu-Chem

• Plastiques Flexibulb Inc.

• STC Flammadur

• Spina's Steel Workers Co., Ltd.

• Thermal Structures Inc.

• Unifrax Corp.

• Viance

• Vimasco Corp.

• W R Grace Company of Canada Ltd.

• W.R. Grace & Co.

• Westering Design