Watsco Purchased Plumbing Distributor The Granite Group
The HVAC giant has expanded its footprint into plumbing distribution with the acquisition of the 82-location operator.
Updated on Oct. 12, 2026 in Business Strategy
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Watsco has completed the acquisition of The Granite Group, a plumbing products distributor that serves 11,000 customers across the Northeast. The move integrates the 82-location chain into the buyer's distribution network while leaving existing management in place.
Why it matters
The deal advances Watsco's strategy of scaling through acquisitions, specifically targeting the plumbing supply sector to complement its existing HVAC distribution footprint. It follows a consistent expansion pattern for the buyer, which has now completed 74 acquisitions since 1989.
The Granite Group brings 82 locations, 11,000 customers, and a portfolio of 29,000 SKUs from 450 vendors to the acquirer. The business has sustained a 10% annual compounded sales growth rate since 2010.
The players
Watsco
A major HVAC and plumbing distribution company that has completed 74 acquisitions since 1989.
The Granite Group
A plumbing products distributor based in Concord, New Hampshire, with 82 locations serving the Northeast.
Jackson Supply Company
A distribution firm acquired by Watsco in June 2026.
The details
The transaction integrates The Granite Group into the buyer's corporate structure, though management will continue to oversee day-to-day operations independently. The buyer utilizes a buy-and-build strategy that focuses on equity-based ownership incentives and technology deployment to drive performance across its portfolio. This acquisition marks a significant expansion into plumbing, building upon the company's prior entry into new categories like its June 2026 purchase of Jackson Supply Company.
Timeline
1971: The Granite Group was founded.
1989: Watsco entered the distribution market.
2010: Start date for the 10% compounded sales growth rate.
June 2026: Watsco acquired Jackson Supply Company.
October 12, 2026: Watsco completed the acquisition of The Granite Group.
Market Landscape
The acquisition continues a decades-long consolidation strategy within the $74 billion North American distribution marketplace. It follows the pattern set by the June 2026 purchase of Jackson Supply Company, signaling a shift toward diversifying beyond core HVAC offerings.
Operators should monitor whether the parent company maintains existing vendor relationships for these 29,000 SKUs or consolidates procurement. Smaller competitors in the Northeast should prepare for increased price competition as the scale of the acquired firm grows under new ownership.
The takeaway
Large consolidators like Watsco often leave local management teams in place to protect existing customer relationships during the integration. Owners should track how these deals affect local inventory availability and regional competitive pricing trends over the next 12 months.
Further reading
For more on how major distributors scale, see our Business Strategy section.
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