The Granite Group Email Format
WholesaleNew Hampshire, United States201-500 Employees
The Granite Group is a wholesale distributor that supplies plumbing, heating, cooling, piping, water systems, and energy products to contractors and fuel dealers across the Northeast. It operates more than 75 wholesale branches and an online store, and runs 17 Sink & Spout retail showrooms with staff trained in decorative fixtures. The company is headquartered in Concord, New Hampshire, and began in 1971 in Worcester, Massachusetts, marking its 50-year anniversary in 2021. In June 2026, The Granite Group announced expansion of its Northeast footprint through two acquisitions and a new branch in Caribou, Maine. The acquisitions included P&E Supply in Sanford, Maine and Hynes Plumbing Supply in Plattsburgh, New York, extending its reach into New York state.