MiTek is a Berkshire Hathaway company based in Chesterfield, Mo., is the world’s leading provider of business resources to the building component industry. They focus their business on enhancing total performance through their steel connector products, design engineering and management software, manufacturing equipment and ancillary services for the building components market.  The company has operations on five continents, including MiTek Industries, Inc. - the company’s U.S. business unit.