Barker Plumbing, 2340 11th St, Rockford, IL 61104, US

Established in 1914, Sjostrom & Sons specializes in a range of general contracting and construction management solutions. The company offers specialty construction and design and build services for buildings, highways, bridges and other civil projects. It is one of the largest, self-performing contractors in northern Illinois. Sjostrom & Sons provides underground pipework solutions for storm sewers, sanitation systems and water lines. In addition, the company has expertise in the fields of masonry, concrete paving, structural work, and rough and finish carpentry. Its clients include schools, churches, hospitals, corporate offices and government buildings. Sjostrom & Sons undertakes projects for the construction and rehabilitation of parking lots and foundations.