Grainger Businesses, officially known as W.W. Grainger, Inc., is a leading industrial supply company that provides a wide range of maintenance, repair, and operating (MRO) products to businesses and institutions. They generate revenue through the sale of over 1.5 million products, including safety equipment, tools, and facility maintenance supplies, primarily via their e-commerce platform, catalog, and physical branches. Founded in 1927 by William W. Grainger, the company has a long history of innovation in supply chain management and customer service, making it a trusted partner for many industries. Grainger's commitment to sustainability and corporate responsibility also plays a significant role in its operations and corporate culture.