| Business | Phone |
| Bryant Electric Co 1034 N Main St, Columbia 62236 | (618) 281-3322 |
| C G Electric Inc 233 Ridgeview Dr, Columbia 62236 | (618) 281-3366 |
| Ebers Electrical 1020 Harbor Ct, Columbia 62236 | (618) 281-4778 |
| Elder Electric 6 Hawknest Est, Columbia 62236 | (618) 939-4124 |
| Nowell Electric 611 S Main St, Columbia 62236 | (618) 281-3060 |