Hudson Technologies, Inc., through its subsidiary, Hudson Technologies Company, engages in the provision of solutions to recurring problems within the refrigeration industry in the United States. The company is involved in the sale of refrigerant and industrial gas; refrigerant management services consisting primarily of reclamation of refrigerants, laboratory testing through its laboratory, and banking storage services; and RefrigerantSide Services comprising system decontamination to remove moisture, oils, and other contaminants intended to restore systems to designed capacity. It also offers diagnostic services for use in the prediction of potential problems in air conditioning, process cooling, and refrigeration systems; Chiller Chemistry, which integrates several fluid tests of an operating system and the corresponding laboratory results into an engineering report; Fluid Chemistry for use in identification of systems that require further examination; and SmartEnergy OPS, a system for measuring, modifying, and improving the efficiency of energy systems, including air conditioning and refrigeration systems, in industrial and commercial applications. In addition, the company provides a snapshot of a packaged chiller's operating efficiency and health through ChillSmart, a maintenance tool. Further, it is involved in the generation of carbon offset projects. The company serves commercial, industrial, and governmental customers, as well as refrigerant wholesalers, distributors, contractors, and refrigeration equipment manufacturers. Hudson Technologies, Inc. was incorporated in 1991 and is headquartered in Woodcliff Lake, New Jersey.

Period	PE Ratio
2016-12-31	16.95
2017-12-31	19.46
2018-12-31	-4.01
2019-12-31	-8.61
2020-12-31	-43.79
2021-12-31	7.10
2022-12-31	2.27
2023-12-31	4.57
2024-12-31	9.73
2025-12-31	13.83

	A	B	C	D
1	Symbol	Price	Change	Volume
2	HDSN	$5.25	+2.44%	0.45M
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