• Pavestone Plus

• Penoco Inc.

• Permacon Group

• Pine Hall Brick Co.

• Playfield International

• Powco Steel Products Ltd.

• Presto Products Co.

• Red Dog Tracks, Inc.

• Repcor

• Riccobene Patio Pavers

• Riverside Supply Co.

• Rockford Cement Products

• Saco Brick Company Inc.

• Shope Reno Wharton Associates

• Sioux City Brick and Tile Company

• Structural Slate Company

• Sunny Brook Pressed Concrete Co.

• Surebond

• Symetry Interlocking Paving

• Tarmac America

• Techo-Bloc

• Tennek Sports Surfaces

• Tile Tech Paver System

• Triangle Brick Company

• Tricon Enterprises

• Uni-Group U.S.A.