Founded in 1921 by Sam Blackman as a small plumbing supply shop in New York City, Blackman Plumbing Supply has grown into one of the largest distributors in the North East. In addition to Plumbing, Blackman also supplies a variety of Heating, HVAC, Waterworks, Tools, Lighting, Tile and Outdoor Living products. With 20 locations in the New York, Long Island, and New Jersey regions, Blackman is proud of its 90 plus years of service. Blackman Southampton is a full service commercial and residential plumbing supply store. Our retail division has a 12,000 sq. ft. showroom featuring the best in faucets, fixtures, lighting, tile, and stone. Our wholesale division has a fully stocked warehouse and self-service counter.