W W Grainger Inc is a US-based provider of maintenance, repair, and operations (MRO) and safety products for customers in manufacturing, healthcare, and other industries. The company was founded in 1927 and is headquartered in Lake Forest, Illinois. Grainger started as a small trading company called William W. Grainger, Inc. in Chicago, selling electrical accessories and components to the manufacturing industry. As the company grew, it expanded its product range to include items needed for machine and equipment maintenance, such as pumps, valves, disc brakes, and wire harnesses. Today, Grainger is the largest B2B distributor of MRO products in North America, operating over 500 distribution centers in the US, Canada, Mexico, and Japan. The company offers a wide range of products, ranging from electrical and tools to cleaning and hygiene products, as well as safety and protective equipment. Grainger's business model is based on the strategy of providing customers with a broad range of products and services, along with high-quality customer service. Its customer base consists mainly of small and medium-sized businesses, government agencies, and institutions such as schools and hospitals, which are often supplied by Grainger on a regular basis. The company has also established an online presence, offering customers the option of online shopping. Grainger's product portfolio includes electrical and hand tools, heating and cooling equipment, workshop supplies, storage systems, cleaning and hygiene products, office supplies, as well as safety and protective equipment. Grainger is divided into four business segments. The largest segment is the US operations division, which accounts for about 80% of the company's revenue and supplies products to customers in the US. The Canadian operations division serves customers in Canada, while the Mexican operations division supplies products to customers in Mexico. The fourth segment is the international operations division, which delivers products to customers worldwide, particularly in Europe and Asia. In recent years, the company has made a number of acquisitions to expand its product range and expand its business into new regions. In 2019, for example, Grainger acquired companies Gamut.com LLC and Raptor Supplies Limited. Gamut provides its customers with an online platform for workshop and industrial supplies, while Raptor Supplies is a UK-based provider of industrial supplies. Overall, Grainger has established a strong position in the MRO industry and is one of the largest providers in the US market. The company is committed to expanding its business into new regions and expanding its product range to continue its success.