| Business | Phone |
| Stephenson Electric Florissant 63031 | (314) 837-4445 |
| Royal Electric Co 1405 Washington St, Florissant 63033 | (314) 837-2700 |
| R & R Electric Co Inc 4906 Parker Rd, Florissant 63033 | (314) 741-4545 |
| Kay Bee Electric Co 250 Saint Francois St, Florissant 63031 | (314) 837-3308 |
| Heffner Electric Florissant 63031 | (314) 830-1999 |
| Glenn Tech Inc 7 Mercury Dr, Florissant 63031 | (314) 830-2886 |
| Dyall Electric Co 1450 Pepperhill Dr, Florissant 63033 | (314) 838-1126 |
| Controls Unlimited Inc 1080 Saint Francois St # B, Florissant 63031 | (314) 839-2688 |