| Business Name | Address | |
| Winchester Electric Corp | 15117 Winchester Ave Harvey, IL 60426 |
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| B & R Electric | 17124 Rockwell Ave Hazel Crest, IL 60429 |
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| Meany Electrical Engineering | 17401 Laflin Ave Hazel Crest, IL 60429 |
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| Starr Electric Inc | 17303 Kedzie Ave Hazel Crest, IL 60429 |
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| Electrical Systems Inc | 17335 Ashland Ave Hazel Crest, IL 60429 |
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