Formed in 1928, W.W. Grainger Inc. is a wholesaler of a variety of industrial equipment and provides various related services. Based in South Plainfield, N.J., the firm offers its vast customer base an array of product categories that include adhesives, electrical, hand tools, lighting, material handling, plumbing, power transmission, test instruments and many more. The company also provides a host of services, such as emergency, energy, inventory and online purchasing solutions, to name a few. W.W. Grainger Inc. serves a number of customers, including schools and correctional institutions, petro/chemicals, furniture and appliance makers, grocery stores and restaurants, among others.