| Business | Phone |
| Better Electric Inc W249s7840 Center Dr, Mukwonago 53149 | (262) 662-3863 |
| Butler Electric W1614 County Road J, Mukwonago 53149 | (262) 363-4071 |
| Yaskawa Electric W310s25852 Wild Rose Ln, Mukwonago 53149 | (262) 968-3031 |
| Volt Electric Inc S79w31491 Green Meadows Dr, Mukwonago 53149 | (262) 363-5977 |
| Tom's Wiring Svc Po Box 177, Mukwonago 53149 | (262) 363-1699 |
| T R Electrical Contractors W302s10157 Oconee Dr, Mukwonago 53149 | (262) 363-4606 |
| Peak Electric S85w32420 Joshua Dr, Mukwonago 53149 | (262) 363-4758 |
| Ken's Electric Svc 225 Plank Rd, Mukwonago 53149 | (262) 363-7590 |