W.W. Grainger, Inc. (GWW), headquartered in Lake Forest, Illinois, is a leading broad-line distributor of maintenance, repair, and operating (MRO) products, serving businesses, governments, and institutions primarily across North America and Japan.
The company supplies safety equipment, tools, plumbing supplies, and material-handling gear through sales representatives and e-commerce channels, offering technical support and inventory management services to keep operations running smoothly. It has a market capitalization of $58.91 billion.