About Us
     The Harrington Corporation (HARCO) is a producer of gasketed joint injection molded PVC fittings and push-on gasketed 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, VA and Janesville, WI with warehouses in Winter Haven, FL; Dallas, TX; and Phoenix, AZ.

     HARCO has become a leading developer of pipe fittings for the waterworks and irrigation markets. HARCO was the first manufacturer in the United States to produce injection molded gasketed PVC fittings for SDR-26 and SDR-21 pipe, injection molded gasketed PVC fittings for SDR 35 sewer pipe and injection molded gasketed PVC fittings for C900 PVC pipe. HARCO developed the first compact ductile iron MJ fittings (AWWA C153) in 1977.
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