• Flame Seal Products

• Flame Stop, Inc.

• Flame Tech, Inc.

• Garretson Tile Company

• Great Lakes Chemical Corp.

• Harris Specialty Chemicals

• Hilti

• Ink Smith Inc.

• Innovative Formulations Inc.

• International Fire Resistant Systems, Inc.

• IsoStore

• 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