Wesco is the name of several companies in the United States:
- WESCO International, an electronics distribution company based in Pittsburgh, Pennsylvania
- Wesco Financial, a diversified financial corporation based in Pasadena, California
- West Coast Shoe Company, maker of Wesco work boots, based in Scappoose, Oregon
- WESCO oil, an oil company in West Michigan. WESCO International is a holding company for WESCO Distribution a multinational electronics distribution and services company based in Pittsburgh Pennsylvania. Wesco Financial Corporation ( is a diversified financial corporation headquartered in Pasadena California. West Coast Shoe Company, commonly known as Wesco is a US manufacturer of work boots based in Scappoose Oregon. WESCO, also known as Wes tgate Oil Co mpany is a Michigan oil company that operates Gasoline stations throughout West Michigan.
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