Granet Construction Co.

Arthur J. Hass founded Valley Construction Company in 1925. It specializes in asphalt and concrete paving, underground utility installations and full industrial, commercial and private site development. The company performs earthwork, utility, structural, industrial, bridge and building construction in addition to its original paving abilities. Valley Construction is a subsidiary of The Valley Group.

Gunther Construction Co, located in Galesburg, IL, is a leading provider of construction materials, specializing in ready-mix concrete, asphalt, and aggregate sales. With multiple office locations across Illinois, the company is committed to delivering high-quality products and services to meet the needs of its clients. As part of United Contractors Midwest, Gunther Construction Co emphasizes reliability and efficiency in its operations. The company's extensive experience and dedication to customer satisfaction make it a trusted partner in the construction industry. Generated from the website

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.