Valley Construction

Founded in 1897, McCarthy Improvement Company is a full-service company that specializes in the construction of poured concrete foundations and structures. The company has a staff of more than 500 individuals. It builds concrete and asphalt paving highways. McCarthy Improvement Company maintains a selection of equipment to assist in the construction of various large surfaces, including paving roads and runways. The company offers a range of surveying services, such as site planning, roadway staking and land section marking for commercial and industrial projects. It employs concrete finishers, mechanics, foremen, operators and truck drivers. In addition, McCarthy Improvement Company provides various types of decorative paving products.

Founded in 1929, Treiber Construction is one of the largest concrete subcontracting firms in the Quad City area and throughout the United States. Based in Davenport, Iowa, it offers a range of services, such as demolition, wind turbine foundation and erection, excavations, decorative concrete, structural concrete, post tensioning and floor slabs, among others. The firm caters to various industries, which include commercial, industrial, office, medical, school, recreation projects, museum, library, hotel, municipal and street projects.