As of May 2026 WESCO International has a market cap of C$24.36 Billion. This makes WESCO International the world's 1313th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On May 10th, 2026 the market cap of WESCO International was reported to be: