Black & Decker Corporation is an American manufacturer of power tools, accessories, hardware, home improvement products and technology based fastening systems headquartered in Towson, Maryland. On March 12, 2010, Black & Decker merged with Stanley Works to become Stanley Black & Decker. It remains as a wholly owned subsidiary of that company. 1910 – Black & Decker Corporation was founded by S. Duncan Black and Alonzo G. Decker as a small machine shop in Baltimore. Decker, who had a seventh grade education, had met Black in 1906, when they were both 23-year-old workers at Rowland Telegraph Co.