| Business | Phone |
| Beckwith Electronics 824 Horan Dr, Fenton 63026 | (636) 343-6463 |
| R F Electronics 1317 Horan Dr, Fenton 63026 | (636) 349-5465 |
| Metro Electric Supply 305 Gravois Rd, Fenton 63026 | (636) 343-1350 |
| Ge Supply 1620 Headland Dr, Fenton 63026 | (636) 305-2500 |
| Butler Supply Inc 965 Horan Dr, Fenton 63026 | (636) 349-9000 |