• Lost River Log Cabins

• Louis Poulsen Lighting, Inc.

• Lucifer Lighting Co.

• Lumax Industries

• Lumenyte International Corp.

• Lumitron Corporation

• Lycian Stage Lighting

• Machado and Silvetti Associates, Inc.

• Madam Enterprises Inc.

• Magnaray International Div.

• Magni Flood Inc

• Magnum Companies

• Mainlining Service, Inc.

• Manning Lighting

• Martin Professional, Inc.

• McDermott: Julian A. McDermott Corp.

• McFadden Lighting Company

• Mica Lighting Co.

• Milbank Manufacturing

• Millerbernd Mfg. Co.

• Moldcast

• Moloney Painting Ltd.

• Moore Lambert Lighting

• Moultrie Manufacturing Company

• Multi-Electric Mfg.

• M?tal Pole-Lite Inc.