| Business Name | Address | |
| Hoshaw Electric | 1005 21st St West Des Moines, IA 50265 |
 |
| Triple T Electric & Trenching | 4672 Wakonda Dr Norwalk, IA 50211 |
|
| Perkins Electric | 8017 Hwy 28 Prole, IA 50229 |
|
| Iowa Signal & Electric Co | 7840 University Blvd Clive, IA 50325 |
|
| Tri-City Communications | 10170 Hickman Ct Des Moines, IA 50325 |
|