Watsco
Watsco, Inc. (WSO) is a leading distributor of HVAC/R (heating, ventilation, air conditioning, and refrigeration) equipment and related parts and supplies in North America. Founded in 1945, the company operates through a network of subsidiaries and serves a diverse customer base, including contractors, builders, and commercial end-users. Watsco's core offerings include a wide range of residential and commercial HVAC products, such as air conditioners, furnaces, and refrigeration units, as well as installation and maintenance supplies.