W.W. Grainger, Inc. (Grainger) 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. The Company operates through two segments, which include the United States and Canada. The Company's business support functions provide coordination and guidance in the areas of accounting and finance, business development, communications and investor relations, compensation and benefits, information systems, health and safety, global supply chain functions, human resources, risk management, internal audit, legal, real estate, security, tax and treasury. The Company's other businesses also include Zoro Tools, Inc. (Zoro), the single channel online business in the United States, MonotaRO Co. (MonotaRO) in Japan, and operations in Europe, Asia and Latin America.