| Business | Phone |
| Aaa Trisylk Electric 34 E 83rd St, Chicago 60619 | (773) 874-1844 |
| Arco Electric 3333 E 143rd St, Chicago 60633 | (708) 891-7000 |
| Community Energy Inc 53 W Jackson Blvd, Chicago 60604 | (312) 291-9463 |
| Curtz Electric Co 5000 W 55th St, Chicago 60638 | (773) 585-1561 |
| Coyne Electric 3841 N Bernard St, Chicago 60618 | (773) 583-9498 |