The Granite Group has a proud tradition in the plumbing, heating and cooling wholesale supply business dating back to the tur ... n of the last century. Our roots can be traced to Central Supply Company, which originated in 1901 in Worcester, MA as a distributor of gas and steam engines and plumbing supplies. Throughout the years, we have expanded into new lines of business- hydronic heat, HVAC, Propane / LP service, and design showrooms, to name a few. We have also expanded geographically, presently servicing all of New England and upstate New York. Today, The Granite Group is ranked as one of the top 50 plumbing, heating, cooling and PVF wholesale distributors in the United States. The company has over 600 employees throughout almost 50 locations and is dedicated to providing the best service to our customers in an effort to continue to build our business together. read more