• PRADA Company, Inc.

• Pacific Crest Industries

• Pacific Plus International

• Pacific Source, Inc.

• Palco Sales Corp.

• Panelbloc, Inc.

• Patina Finishes and Copper Coats, Inc.

• Pemko Manufacturing Company

• Pentagon Technologies

• Philip K. White & Associates, Ltd.

• Phoenix Cement Company

• Pittcon Industries

• Pittsburgh Air Systems Inc.

• Platnick Steel & Engineering

• Poltec Industries Ltd.

• Poma Corp.

• Porta-King Building Systems

• ProTech Systems

• Proco Products, Inc.

• Quickway Metal Fabricators

• R & B Wagner

• R J Florig Industrial Co.

• R.H. Marcon Inc.

• RDM Products Division

• REMCO, Inc.

• RPS Corporation