• Oxford Plastics Inc.

• Paco Corporation

• Perkins Pryde Kennedy + Steevensz

• Rebecca Schunck Wallpaper Installation and Removal

• Robert Oldham Ltd.

• South Houston Concrete Pipe Co.

• Superior Lamp and Supply Inc.

• Tarmac America

• Thompson Culvert Company

• Tuf-Tite

• Tyler Pipe

• U.S. Foundry & Mfg. Corp.

• Utility Concrete Products Co.

• Vulcan Foundry

• Western Forms

• Wyoming Concrete Products

• doelling brennan peschl inc.