| Business Name | Address | |
| Pasquesi Electric Co | 220 Everts Pl Highwood, IL 60040 |
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| Pieracci Electric Inc | 955 Half Day Rd Highland Park, IL 60035 |
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| Great Lakes Electrical | 1316 Old Skokie Rd Highland Park, IL 60035 |
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| Stradasys | 1450 Park Ave W Highland Park, IL 60035 |
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| Randel Electric Inc | 1695 Mccraren Rd Highland Park, IL 60035 |
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