M A Mortenson

Founded in 1954, M A Mortenson Company, of Minneapolis, Minn., provides a complete range of services, including planning, development, program management, preconstruction services, general contracting, construction management, design-build, engineering/procurement/construction, maintenance and operations. Its important projects, among others, include the Denver Art Museum, the new baseball stadium for the Minnesota Twins and the Walt Disney Concert Hall in Los Angeles.