Breaking M&A Analysis•M&A and Private EquityWatsco Is Buying an 82-Location Distributor With $500 Million in Sales. Plumbing Supply Is the Next Roll-Up.Watsco agreed to acquire The Granite Group, a third-generation plumbing and HVAC distributor with about $500 million in annual sales, 82 locations and 11,000 customers across seven Northeast states. The deal extends consolidation from contractor platforms into the supply houses that stock them.TradeVulcan Dispatch Editorial Desk•Sep 14, 2026•13 min