MAT Industries LLC (formerly the DeVilbiss Air Power Company) is an American company that manufactures air compressors, pneumatic tools, generators, pressure washers, and accessories for them. The company was founded in 1888. In 1999 Devilbiss Air Power Co. was acquired by Pentair. Pentair sold the company to Black & Decker in 2004. Following the 2010 merger of Stanley Works and Black and Decker,the new Stanley Black & Decker sold DeVilbiss Air Power to MAT Holdings on March 31, 2011.