| Business Name | Address | |
| Kelso-Burnett Co | 3065 Sheridan Rd Zion, IL 60099 |
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| Gibert Electric Inc | 10565 W Pickford Ave Beach Park, IL 60099 |
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| Stanphill Electric | 339 Fairhaven Dr Winthrop Harbor, IL 60096 |
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| Osborne & Son Electric | 2200 9th St Winthrop Harbor, IL 60096 |
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| M D Electric Inc | 10167 W Center St Beach Park, IL 60087 |
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