Founded in 1949, Carylon Corporation is one of the largest industrial and municipal specialized maintenance contracting companies in the United States. It offers chemical cleaning, hydrauling dredging, infiltration control, sludge dewatering and root removal services. The company also specializes in tank and sewer cleaning and vacuum excavation services. Carylon Corporation serves municipalities, industries and utilities. It operates several companies, including Ace Pipe Cleaning, Bio-Nomic Services, Metropolitan Environmental Services and National Industrial Maintenance. Carylon Corporation has locations in Pennsylvania, Louisville, Connecticut, California and Utah.