McWilliams Electric Co., Inc.
Carol Stream, Illinois · Electronics & Electrical Online RFQ 100+ years
Est. 1922 · Quotes online · ✓ verified live · Aug 2026
McWilliams Electric Company, is an Electrical Contractor performing electrical construction, engineering, and maintenance across the United States, but especially locally in Illinois. Here at McWilliams, our team prides itself on being a service oriented, customer‐aware electrical contractor since o
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Founded
1922
Site verified live
Yes
Company type
Inc.
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