Stenstrom Companies is a general contracting company that offers design and build and construction management services. It undertakes projects for schools, churches, hospitals, municipal buildings, restaurants, shopping centers, auto dealerships, warehouses and gas stations. The company operates Stenstrom Real Estate Development Group, which offers property management and leasehold improvement solutions. Stenstrom Companies Stenstrom Excavation and Blacktop Group provides site development, excavation, snowplowing and earthmoving services. Stenstrom Companies also manages Petroleum Services Group, which is one of the leading providers of petroleum system installation services in the Midwest. Stenstrom Companies is affiliated with the Associated General Contractors of America, Northern Illinois Building Contractors Association, Illinois Society of Professional Engineers and Petroleum Equipment Institute.