| Business | Phone |
| Georgian Electric 195 Macavalley Rd, Penetanguishene L9M 1R2 | (705) 549-4693 |
| Harbour Electric 177 Gilwood Park Dr, Penetanguishene L9M 1Z3 | (705) 549-4151 |
| M Juneau Electric 30 Broad St, Penetanguishene L9M 1G1 | (705) 549-7753 |
| Pentor Electric Ltd 1 Alma St, Penetanguishene L9M 1P5 | (705) 549-5078 |
| Pete's Power Electrical Svc 16 Hunter Rd, Penetanguishene L9M 1E8 | (705) 549-4958 |
| Qual-Con Electric 470 Champlain Rd, Penetanguishene L9M 1S5 | (705) 549-2433 |
| Steve Pinkney Electric 675 County Road 35, Penetanguishene L9M 1R2 | (705) 533-2966 |
| Emery Bros Electric 1370 Tinney Dr, Penetanguishene L9M 2B8 | (705) 549-7633 |