| Business | Phone |
| Active Electrical Supply Co 4240 W Lawrence Ave, Chicago 60630 | (773) 282-6300 |
| Almac Electric Supply Co 5331 W 65th St, Chicago 60638 | (708) 563-0506 |
| Asset Reclaimers & Liquidators 4850 W Bloomingdale Ave, Chicago 60639 | (773) 889-2770 |
| Gem Electric Supply Inc 10334 S Michigan Ave, Chicago 60628 | (773) 468-1881 |
| Brook Electrical Distr Co 3423 N Drake Ave, Chicago 60618 | (773) 279-1112 |
| Carney Enterprise 6129 S Michigan Ave, Chicago 60637 | (773) 667-5456 |
| Enterprise Service Corp 3828 N Pontiac Ave, Chicago 60634 | (773) 589-2727 |
| Crescent Electric Supply Co 6754 W 74th St, Chicago 60638 | (708) 496-3264 |
| Crest Lighting Studio 3300 N Sheffield Ave, Chicago 60657 | (773) 525-8000 |
| Crosstown Electric Supply 5734 S Archer Ave, Chicago 60638 | (773) 581-2525 |
| Cpc Electrical Supply 200 W Madison St 470, Chicago 60606 | (312) 658-1313 |