MSC Industrial Direct Co., Inc. engages in the distribution of metalworking and maintenance, repair, and operations products and services. Its products include cutting tools, measuring instruments, tooling components, metalworking, fasteners, flat stock, raw materials, abrasives, machinery hand and power tools, safety and janitorial supplies, plumbing supplies, materials handling products, power transmission components, and electrical supplies. The company was founded by Sidney Jacobson in 1941 and is headquartered in Melville, NY.