| Business | Phone |
| Affordable Electrical Svc 11138 Kiowa Dr, Hannibal 63401 | (573) 248-8253 |
| Commercial Ag & Electric 801 Broadway, Hannibal 63401 | (573) 406-1321 |
| J M & S Electric 15 Settlers Trl, Hannibal 63401 | (573) 221-8937 |
| Lampton Electric Contractor 723 Bird St, Hannibal 63401 | (573) 221-4390 |
| Msce Construction Hannibal 63401 | (573) 406-1180 |
| Pfaff's Electric 11605 Highway O, Hannibal 63401 | (573) 221-1197 |
| Williams Electric & Elec Motor 124 Corporate Square Rd, Hannibal 63401 | (573) 248-3887 |
| Willis Constable Electric Inc 3831 Highway Mm, Hannibal 63401 | (573) 221-2311 |