Companies

• Newport Fastener Co., Inc.

• Nixalite of America Inc.

• North American Building Products

• Northwest Building Products, Inc.

• NuTone

• Nuline Industries, Inc.

• O'Hagin's Inc.

• O'Hagin's, Inc.

• O'Keeffe's, Inc.

• Olympic Fasteners

• Oscoda Plastics Inc.

• Patina Finishes and Copper Coats, Inc.

• Pearce Building Services, Inc.

• Petersen Aluminum Corporation

• Plastatech Engineering, Ltd.

• Plasteco, Inc.

• Ply Gem

• Polar Blox

• Portals Plus, Inc.

• Potter-Roemer

• Precision Ladders, LLC

• Primex Manufacturing

• Primex Manufacturing Ltd.

• Pro-Bel Enterprises Limited

• RD Herbert & Sons Co.

• RGM Products