| Business Name | Address | |
| Duffett Electric Inc | 207 S Washington St Castalia, OH 44824 |
 |
| Finn Electric Co | 2122 Campbell St Sandusky, OH 44870 |
|
| Insight Technical Svc | 2122 Campbell St Sandusky, OH 44870 |
|
| Fresch Electric Inc | 1414 Milan Rd Sandusky, OH 44870 |
|
| All Phase Power & Lighting | 2122 Campbell St Sandusky, OH 44870 |
|