The Harrington

The Harrington Corporation (HARCO) is a producer of gasket joint injection-molded PVC fittings and push-on gasket joint ductile fittings. HARCO was founded in 1966 in Lynchburg, Virginia, to produce push-on joint ductile iron fittings. HARCO manufactures fittings at its facility in Lynchburg, Virginia and Janesville, Wisconsin with warehouses in Winter Haven, Florida; Dallas, Texas; and Phoenix, Arizona.