| Business Name | Address | |
| Collum Elec Svc | 231 W Green St # B Brooklyn, IA 52211 |
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| Latcham Enterprises Trade Cont | 407 370th Ave Grinnell, IA 50112 |
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| Action Electrical Inc | 260 410th Ave Grinnell, IA 50112 |
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| Lowry Electric | 225 West St S Grinnell, IA 50112 |
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| S & S Electric LTD | 175 Highway 6 Grinnell, IA 50112 |
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