| Business | Phone |
| K-B Lighting Manufacturer Co 2101 Byberry Rd, Philadelphia 19116 | (215) 673-6400 |
| Klemm Reflector Co 736 E Venango St, Philadelphia 19134 | (215) 634-4750 |
| M & M Plastics Po Box 14550, Philadelphia 19115 | (215) 938-8440 |
| Meil Electric Fixture Manufacturer Co 1045 W Glenwood Ave, Philadelphia 19133 | (215) 228-8528 |
| Metal Light Manufacturer 1100 W Indiana Ave, Philadelphia 19133 | (215) 430-7200 |
| Pieri Creations Inc 100 W Oxford St, Philadelphia 19122 | (215) 634-4000 |
| Progress Lighting Inc 3650 G St, Philadelphia 19134 | (215) 289-1200 |
| Sea Gull Lighting Products Inc 25th & Wharton Stamp;, Philadelphia 19146 | (215) 468-7254 |
| Simkar Corp 700 Ramona Ave, Philadelphia 19120 | (215) 831-7700 |