• HUNT Manufacturing Ltd.

• Henry Brick Co.

• Hepner Brothers

• Hillen Corporation

• Huston Clay Products Co.

• International Chimney Corp.

• Interstate Brick

• Kasten Masonry Sales

• Kinney Brick Co.

• Kistner Concrete Products Inc.

• LTS Ceramics Inc.

• Logan Clay Products Co.

• Marshall Roofing Inc.

• McIntyre Tile Company, Inc.

• McKim & Creed, P.A.

• McNear Brick and Block

• Montfort Brothers

• Owen Sound Ledgerock Limited

• Pacific Clay Brick Products

• Phoenix Brick Yard

• Pine Hall Brick Co.

• RCP Block & Brick

• Real Brick Products, Inc.

• Richards Brick Co.

• Riverside Supply Co.

• Ro-Tile Inc.