Carrier Corporation, headquartered in Farmington, Conn., provides a range of heating, ventilation, air conditioning and refrigeration systems, components, controls and services for residential, commercial and industrial applications. The company has been serving clients since 1915. It also maintains manufacturing facilities and design, research and development centers throughout the world. The company operates through a network of owned and independent distributors and dealers in more than 170 countries worldwide. Carrier Corporation employs a staff of Approximately 43,000 professionals. It has annual sales revenue of over $14.6 billion. In addition, the company serves clients in the food service and transportation industries. Carrier Corporation is a subsidiary of United Technologies Corporation.