Hudson Technologies, Inc. (HDSN) operates as a dedicated provider of specialized refrigerant services, addressing persistent issues within the refrigeration industry, primarily throughout the United States. The company's core business involves the sale of refrigerants and various industrial gases. It also delivers a comprehensive range of refrigerant management solutions, including the recovery and reprocessing of used refrigerants, the refurbishment of reusable cylinders, and hydrostatic testing. Furthermore, Hudson offers "RefrigerantSide" services, which focus on deep system decontamination to eliminate moisture, oils, and other harmful contaminants from refrigeration systems. Beyond these offerings, Hudson provides its SmartEnergy OPS service, a proprietary web-based platform designed for continuous, real-time monitoring of refrigeration and other energy systems. Additional specialized services encompass Chiller Chemistry and Chill Smart programs. The firm also contributes to environmental efforts by participating in the development of carbon offset projects. Hudson serves a diverse clientele, including commercial, industrial, and governmental organizations, as well as refrigerant wholesalers, distributors, contractors, and original equipment manufacturers in the refrigeration sector. Established in 1991, Hudson Technologies, Inc. maintains its corporate headquarters in Woodcliff Lake, New Jersey.