Hudson Technologies, Inc. operates as a refrigerant services company that provides solutions to the refrigeration industry in the United States and internationally. It offers products and services, including reclaimed and virgin refrigerants; refrigerant management services consisting of reclamation of refrigerants and laboratory testing, as well as re-usable cylinder refurbishment and hydrostatic testing services; and RefrigerantSide services, such as decontamination to remove moisture, oils, and other contaminants. The company's RefrigerantSide services also comprise predictive and diagnostic services for industrial and commercial refrigeration applications, which are designed to predict potential catastrophic problems and identify inefficiencies in an operating system. It also participates in the generation of carbon offset projects. The company offers its services under the Chiller Chemistry, Chill Smart, Fluid Chemistry, and Performance Optimization names. Hudson Technologies' products and services are primarily used in commercial air conditioning, industrial processing, and refrigeration systems. The company serves commercial, industrial, and government customers, as well as refrigerant wholesalers, distributors, contractors, and refrigeration equipment manufacturers; and customers in petrochemical, pharmaceutical, industrial power, manufacturing, commercial facility, and property management and maritime industries. Hudson Technologies, Inc. was founded in 1991 and is headquartered in Pearl River, New York.