• Multi-Electric Mfg.

• M?tal Pole-Lite Inc.

• Natale Machine & Tool Co., Inc. (CIRCLE D LIGHTS)

• National Specialty Lighting

• Nemco Architectural Lighting

• Nessen Lighting

• Newstamp Lighting Co.

• Niland Company

• North Star Lighting, Inc.

• Northern Building Systems

• Norwell Mfg. Co.

• Nowell's

• Nutron Mfg.

• OSRAM SYLVANIA INC.

• One Step Lighting Inc.

• P M C Lighting

• Packaged Lighting Systems, Inc

• Paraflex Industries

• Patina Finishes and Copper Coats, Inc.

• Pauluhn Electric Mfg. LLP

• Pelco Products

• Pennsylvania Globe

• Philips Lighting Co.

• Philips Lighting Div of Phillips Electronics Ltd.

• Phoenix Products Co.

• Pittsburgh Manufacture & Installers