| Business Name | Address | |
| J & J Electric | 1000 Ferdinand Ave Forest Park, IL 60130 |
 |
| Fifth Avenue Electric Co | 1142 S Ridgeland Ave Oak Park, IL 60304 |
|
| Martin Mc Gowan & Co | 101 N Euclid Ave Oak Park, IL 60301 |
|
| Team Electric | 551 Clinton Pl River Forest, IL 60305 |
|
| Klemm Electric | 25 Thatcher Ave River Forest, IL 60305 |
|