| Business Name | Address | |
| Electrical Concepts Inc | 7 Plackemeier Dr O Fallon, MO 63366 |
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| Henson Electric | 1290 N Henke Rd Lake St Louis, MO 63367 |
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| O'Fallon Electric | 765 Lakeside Plz Lake St Louis, MO 63367 |
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| Tarro Electric | Cottleville, MO 63338 |
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| Chrisar Electric | 21 Rodelle Woods Dr St Charles, MO 63304 |
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