Penro Construction

Establishes in 1983, Eriksen Construction provides a range of contracting services. It undertakes various projects for schools, office buildings, churches, motels and retail stores. The company offers more than 75 equipment, including cranes, dozers, excavators, backhoes, lifts, and track and rubber tire loaders. It maintains a concrete subcontracting division that provides construction services for concrete walls and parking garages. Eriksen Construction also undertakes projects for nursing homes, hospitals, industrial buildings, and water and wastewater treatment plants. The company offers design, planning, installation, architectural landscaping, and building and ground maintenance services. In addition, it provides computer networking, office furnishing, equipment purchasing, and voice and data systems integration services. Eriksen Construction is located in Blair, Neb.

Knife River Midwest is a mining production company that serves customers throughout Iowa. The company offers a range of building materials, including concrete and asphalt. Knife River Midwest is a part of Knife River Corporation, which provides construction and maintenance services for airport facilities throughout the United States. Founded in 1917, the company offers a variety of construction materials, such as aggregate, cement and ready-mix concrete. It provides products for the construction of foundations, landscape retaining walls and paver systems. The company offers asphalt paving, engineering, site development and grading services. It also provides marine construction, petroleum recycling, concrete pumping and contaminated soil remediation services. Knife River Corporation manages a staff of more than 5,000 employees.

Valley Corporation is a third-generation family-owned General Contracting company known for its quality since 1972. Driven by customer satisfaction we are a general contractor servicing the commercial, industrial, and heavy highway fields. We also produce and sell recycled aggregate products