| Business | Phone |
| Cec Electric 7125 Little Boone Creek Rd, Sullivan 63080 | (573) 457-6863 |
| Hulsey Electric 1046 Louisiana St, Sullivan 63080 | (573) 468-3316 |
| Kase Electric 248 E Springfield Rd, Sullivan 63080 | (573) 468-6928 |
| Williamson Electric Inc 115 E Euclid St, Sullivan 63080 | (573) 860-2220 |
| Tre Electric 751 N Service Rd E, Sullivan 63080 | (573) 860-2515 |
| Reinhold Enterprises Llc 751 N Service Rd E, Sullivan 63080 | (573) 860-2514 |