| Business Name | Address | |
| Swanson Electric | 1016 Mitchell Line St Nora Springs, IA 50458 |
 |
| Blazek Electric Inc | 115 8th St SE Mason City, IA 50401 |
|
| Reliance Electric Inc | 118 S Rhode Island Ave Mason City, IA 50401 |
|
| Thomas Electric Co | 3219 S Birch Dr Mason City, IA 50401 |
|
| J & T Electric | 1469 7th St SE Mason City, IA 50401 |
|