In 1980, Mac Tools was bought by the Stanley Works, and is now part of a group of brands including Stanley Tools, Proto, Facom, and Blackhawk a subsidiary of Proto Tools. The company's name was changed in 1961 to the now familiar Mac Tools from its earlier name, Mechanics Tool and Forge Company. Mac Tools continued to grow in the 1940s, with a large government contract received in 1942. On July 11, 1938, the firm was incorporated in Ohio, and common stock was issued. The company's goal was to manufacture high quality mechanic's tools.

In 1938, the Mechanics Tool and Forge Company began in Sabina, Ohio. Their primary competitors include Matco, Snap-on, and Cornwell Tools. Mac Tools business model is a franchise system with roughly 1500 distributors across North America. Their primary distribution center is located in Hilliard, Ohio, United States. Mac Tools USA hardline tools are manufactured in their partner plant of Proto Dallas. Mac Tools manufactured tools are produced in various Stanley Black & Decker facilities around the world.

Mac Tools also produces its own line of tool storage and carts with foreign sourced materials at its manufacturing plant located in Allentown, Pennsylvania. The Mac Tools line consists of over 8,000 professional tools, including screwdrivers, ratchets, wrenches, and assorted air tools. It is headquartered in Westerville, Ohio, United States. Mac Tools (previously, Mechanics Tool and Forge Company) is an American company that distributes and markets professional tools and related equipment.

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