Fastenal Co. engages in the provision of fasteners, tools, and supplies which can help in the manufacture of products, build structures, protect personnel, and maintain facilities and equipment. The company is headquartered in Winona, Minnesota and currently employs 21,938 full-time employees. The firm is engaged in fastener distribution, and non-fastener maintenance and supply business. As of December 31, 2016, it distributed these supplies through a network of approximately 2,500 stores. Its customers are in the manufacturing and non-residential construction markets. The manufacturing market includes both original equipment manufacturers (OEM) and maintenance, repair, and operations (MRO). The non-residential construction market includes general, electrical, plumbing, sheet metal and road contractors. Other users of its products include farmers, truckers, railroads, oil exploration, production and refinement companies, mining companies, federal, state, and local governmental entities, schools and certain retail trades. Its original product offerings are fasteners and other industrial and construction supplies, many of which are sold under the Fastenal product name.