As of November 2026 W. W. Grainger has a market cap of โน6.246 Trillion. This makes W. W. Grainger the world's 377th 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 Nov 3rd, 2026 the market cap of W. W. Grainger was reported to be: