| Business | Phone |
| J Miller Electric Inc 512 S Park St, Port Washington 53074 | (262) 284-2646 |
| Jolt Electrical Cntrctrs Inc 132 S Wisconsin St, Port Washington 53074 | (262) 268-7858 |
| Pierringer Electric Inc 949 N Grant St, Port Washington 53074 | (262) 284-0248 |
| Prochaska Electric 203 W Jefferson St, Port Washington 53074 | (262) 284-2531 |