The Ultimate Bath Showroom

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The Ultimate Bath Showroom and The Granite Group has a proud tradition in the plumbing and heating wholesale supply business dating back to the turn 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, pumps and water systems, industrial pipes and fittings, and design showrooms, to name a few. We have also expanded geographically, presently servicing all of New England and upstate New York.


Today, we are ranked as one of the top 50 plumbing; heating and PVF wholesale distributors in the United States. The company has over 450 employees throughout its 26 locations and is dedicated to providing the best service to our customers in an effort to continue to build our business together.


We offer 13 fully decorated and staffed Ultimate Bath Showroom locations. All of our showrooms are a display resource for both contractors and homeowners. We offer the chance to create your ideal bath or kitchen in a stress free environment surrounded by the best brands and most up to date products to fit any budget. Our staff is expert with extensive design and product knowledge and is available to work with you as a resource in making your vision a reality.


We also offer an On-line plumbing product selector. Contractors and homeowners can search an extensive database of products and decide which styles or brands of plumbing fixtures fit the vision they have for their new bath or kitchen.