- A & J Electric
- API Electric
- BDR Electric
- Burt Electric
- Century Electric & Equipment
- D D & J Electrical
- Electric Etc Inc
- Electrical Systems
- Engisch Electric
- Hoffmann Electric Inc
- John Burton Electric
- KNOX Electric Inc
- Lake Region Electric & Lghtng
- Mortenson Electrical Contr
- National Conductor Constrctrs
- Northview Electric
- Richardt Electric
- T K Morgan
- Wagner Electric
