| Business | Phone |
| A Homestead Shoppe 222 Merchandise Mart, Chicago 60654 | (312) 645-0550 |
| Artemide Inc 223 W Erie St, Chicago 60610 | (312) 475-0100 |
| Boyd Lighting Co 222 Merchandise Mart 1040, Chicago 60654 | (312) 644-4300 |
| Esco Lighting Inc 3254 N Kilbourn Ave, Chicago 60641 | (773) 427-7000 |
| Energy Reduction Inc 6140 N Winthrop Ave, Chicago 60660 | (773) 262-5480 |
| E Sam Jones Distr 2424 S Wabash Ave, Chicago 60616 | (312) 225-9444 |