As of February 2026 WESCO International has a market cap of S$18.19 Billion. This makes WESCO International the world's 1564th 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 Feb 26th, 2026 the market cap of WESCO International was reported to be: