• Flame Stop, Inc.

• Fry Reglet Corp.

• G S W Thermoplastics Co.

• Garland Canada Inc.

• Greenstone Slate Company

• HPG International

• Hall & Botterill Ltd.

• Hanover Architectural Products

• Hastings Pavement Co.

• Historical Arts & Casting, Inc.

• I C I Acrylics Canada Inc.

• ICA

• Impression

• Ink Smith Inc.

• Innovative Metals Company, Inc. (IMETCO)

• Jay R. Smith Mfg. Co.

• Klober

• LMCurbs

• Lane-Aire Mfg. Corp.

• Lead Industries Association, Inc.

• Loadmaster Systems

• Ludowici Roof Tile

• MIRO Industries, Inc.

• Marathon Roofing Products

• Maxam Metal

• McGill Architectural Products