W. W. Grainger, Inc., is an American Fortune 500 industrial supply company founded in 1927 in Chicago by William W. (Bill) Grainger. He founded the company to provide consumers with access to a consistent supply of motors. The company now serves more than three million customers worldwide with offerings such as motors, lighting, material handling, fasteners, plumbing, tools, and safety supplies, along with inventory management services and technical support. Revenue is generally from business-to-business sales rather than retail sales. Grainger serves its customers through a network of approximately 598 branches, online channels (such as Grainger.com, KeepStock and eProcurement), and 33 distribution facilities.