| Business | Phone |
| Advent Building Systems Inc 4995 S Racine Ave, New Berlin 53146 | (262) 679-3360 |
| Dahlke Electric 2950 S 149th St, New Berlin 53151 | (262) 782-2938 |
| Team Electric Co Inc 5326 S La Salle Dr, New Berlin 53151 | (414) 425-4809 |
| Demski Electric Inc 17770 W National Ave, New Berlin 53146 | (262) 679-9606 |
| Eagle Electric Wiring Svc Inc 21500 W Greenfield Ave, New Berlin 53146 | (262) 544-5409 |
| Electric Power Research Inst 15350 W National Ave, New Berlin 53151 | (262) 641-8817 |
| Preferred Electrical Contrs 2450 S 162nd St, New Berlin 53151 | (262) 784-5930 |
| Industrial Electric Wire & Cbl 16325 W Ryerson Rd, New Berlin 53151 | (262) 782-2255 |
| Jem Electric Inc New Berlin 53151 | (262) 784-6979 |
| New Berlin Wiring Svc Inc 21755 W Cleveland Ave, New Berlin 53146 | (262) 549-3633 |
| Magaw Electric 16055 W Ryerson Rd, New Berlin 53151 | (262) 782-7400 |