| Business | Phone |
| Planned Lighting Inc 3223 N Western Ave, Chicago 60618 | (773) 296-0999 |
| Imperial Lighting Maintenance 4555 N Elston Ave, Chicago 60630 | (773) 794-1150 |
| V W Technologies 3825 N Kedzie Ave, Chicago 60618 | (773) 583-3458 |
| Repair Service Chicago 60626 | (773) 274-2408 |
| Wilson & Smith Inc 10450 S Vincennes Ave, Chicago 60643 | (773) 445-9111 |