| Business | Phone |
| Progress Electric Co 11455 Schenk Dr, Hazelwood 63043 | (314) 739-5333 |
| Joseph Brothers Electric Co 11326 Old Saint Charles Rd, Hazelwood 63044 | (314) 770-2541 |
| Briner Electric Co 2466 Old Dorsett Rd, Hazelwood 63043 | (314) 298-0800 |
| D C Smith Electric Hazelwood 63042 | (314) 413-4334 |