| Business | Phone |
| Aschinger Electric Co 877 Horan Dr, Fenton 63026 | (636) 343-1211 |
| Bec Electric Inc 250 Axminister Dr, Fenton 63026 | (636) 349-5331 |
| Stephenson Electric 512 Water St, Fenton 63026 | (636) 946-5703 |
| St Louis Electric 1523 Fenpark Dr, Fenton 63026 | (636) 343-8400 |
| Ruzicka Electric & Sons Inc 1570 Fenpark Dr, Fenton 63026 | (636) 343-0000 |
| Manion Electric 776 Islamorada Dr, Fenton 63026 | (636) 349-5125 |
| Marchi Electric 922 Arlington Glen Dr, Fenton 63026 | (636) 305-0032 |
| Loveland Electrical Fenton 63026 | (636) 717-0070 |
| Kaiser Electric Inc 1552 Fencorp Dr, Fenton 63026 | (636) 305-1515 |
| Gerstner Electric Inc 2400 Cassens Dr, Fenton 63026 | (636) 349-5999 |
| Eagle Electrical Contractors 150 Jensen Hills Dr, Fenton 63026 | (636) 717-0619 |
| Brda Electric Inc 1758 Chase Dr, Fenton 63026 | (636) 343-0504 |
| Cac Electrical Installations 104 Cherry Hill Dr, Fenton 63026 | (636) 305-0353 |