Harbor Island Supply


230 S Chicago St
Seattle, WA 98108
(206) 762-1900
ATM/Debit, Personal Checks, Cash
Been Serving The Area Since 1981.
Harbor Island Supply is a third generation family owned casting facility that operates out of our 22,000 square foot plant, and has been manufacturing anodes, or "zincs" as they are commonly known, since 1981.

Harbor Island Supply produces a complete line of anodes including anodes for ships, barges, tugboats and other workboats, engine anodes or pencil zincs, heat exchanger and condenser anodes, cast plates, keel cooler anodes, zinc propeller nut caps, pier anodes, piling anodes and submerged pipeline anodes. We also provide shaft collar zincs, donut collar zincs, rudder disc zincs, Mercury anodes, Volvo zincs, OMC zincs, Honda zincs, Yamaha zincs and Nissan zincs.

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