| Business Name | Address | |
| Southern Iowa Technologies | 416 N A St Albia, IA 52531 |
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| Kraber Electric | 1228 4th Ave E Albia, IA 52531 |
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| Robertson Electric | 1638 Locust St Ottumwa, IA 52501 |
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| J D Electric | 9580 208th Ave Ottumwa, IA 52501 |
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| Acme-Johnson Electric Inc | 526 W 2nd St Ottumwa, IA 52501 |
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