| Business | Phone |
| White Lightning Electric 1244 N 10th St, Mt. Vernon 62864 | (618) 244-1315 |
| Roberts Electrical Contractors 10801 E Cedar Hills Rd, Mt. Vernon 62864 | (618) 242-2580 |
| Moore Electric 713 S 24th St, Mt. Vernon 62864 | (618) 242-7179 |
| Hodges Heating & Air Cond 12720 E Il Highway 148, Mt. Vernon 62864 | (618) 244-1100 |
| Houseworth Electrical Contrs 504 S 34th St, Mt. Vernon 62864 | (618) 244-3616 |
| K T Electric Co 1020 Main St, Mt. Vernon 62864 | (618) 244-9215 |