Watsco, Incorporated is an independent distributor of air conditioning, heating, and refrigeration equipment and related parts and supplies (HVAC) in the United States. The Company has two business segments: the HVAC distribution segment, which accounted for 96% of 2001 revenue and presently operates from 284 locations in 30 states; and a national temporary staffing and permanent placement services segment. The Company's distribution segment seeks to provide products a contractor would generally require when installing or repairing a central air conditioner, furnace or refrigeration system. The Company's staffing segment, through Dunhill Staffing Systems, Inc., provides temporary staffing and permanent placement services to businesses (including the Company's operating subsidiaries), professional and service organizations, government agencies, healthcare providers and other employers.