As of December 2025 W. W. Grainger has a market cap of โน4.191 Trillion. This makes W. W. Grainger the world's 502th 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 Dec 5th, 2025 the market cap of W. W. Grainger was reported to be: