Sundt Construction Inc. announced the promotions of Mark Brown and Jeff Williamson. Brown was promoted to general superintendent and oversees the company’s building group superintendents in the El Paso region. He has been with Sundt for 11 years and has more than 25 years of experience in the construction industry. Williamson was promoted to president of the transportation group. He has more than 30 years of experience and has a bachelor’s degree and master’s from the University of Arizona.