W.W. Grainger, Inc. is a distributor of maintenance, repair and operating (MRO) supplies and other related products and services. The Company offers its products and services to businesses and institutions in the United States and Canada, with presence also in Europe, Asia and Latin America. It operates in two segments: the United States and Canada. The United States business offers a selection of maintenance, repair and operating supplies and other related products and services. Acklands - Grainger is a distributor of industrial and safety supplies that distributes tools, fasteners, safety supplies, instruments, welding and shop equipment, among others. Other businesses include Zoro, the single channel online business in the United States, and operations in Europe, Asia and Latin America. The Company provides customers with a range of options for finding and purchasing products, utilizing sales representatives, contact centers, direct marketing materials, catalogs and e-commerce.