| Business Name | Address | |
| Kuppinger Electric Co | 14801 Spruce Ave Mason City, IA 50401 |
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| Vthe Electricians | 612 12th St NE Mason City, IA 50401 |
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| Linahon Electric Inc | 1055 15th St SW Mason City, IA 50401 |
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| Blazek Electric Inc | 115 8th St SE Mason City, IA 50401 |
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| Kehm Electric | 302 2nd St SW Mason City, IA 50401 |
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