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Hydrogenics Corporation, together with its subsidiaries, designs, develops, and manufactures hydrogen generation products based on water electrolysis technology; and fuel cell products based on proton exchange membrane (PEM) technology. It operates through two segments, OnSite Generation and Power Systems. The OnSite Generation segment offers alkaline electrolyzer products under the HySTAT and HyLYZER brands for indoor and outdoor applications; and modular PEM stack electrolyzers for energy storage applications. This segment sells its products to merchant gas companies, as well as end-users requiring high purity hydrogen produced on-site for industrial applications. The Power Systems segment provides power systems under the HyPM name for motive and stationary power applications, and prototype field tests, as well as aerospace, military, and other industries. This segment sells its products to original equipment manufacturers and drive systems integrators for motive power. The company sells its products through a direct sales force and network of distributors worldwide. Hydrogenics Corporation was incorporated in 1995 and is headquartered in Mississauga, Canada.

LSB Industries, Inc. engages in the manufacture, marketing, and sale of chemical products. The company provides nitrogen-based fertilizers, such as ammonia, fertilizer grade high density ammonium nitrate (HDAN), and urea ammonia nitrate for fertilizer for corn, pastures, and other crops, as well as nitrogen, phosphorus, and potassium (NPK) fertilizer blends application. It also offers high purity and commercial grade ammonia, high purity ammonium nitrate, sulfuric acids, mixed nitrating acids, carbon dioxide, and diesel exhaust fluids, as well as concentrated, and blended and regular nitric acids for various applications, including semiconductor, nylon, and polyurethane intermediates, ammonium nitrate, and metal processing; chemical feedstocks, emissions abatement, water treatments, and refrigerants; pulp and paper, aluminum, water treatment, metals, and vanadium processing; abatement for diesel vehicles; and food refrigeration, dry ice, and enhanced oil recovery. In addition, the company provides industrial grade and low density ammonium nitrate, and ammonium nitrate for explosives mining, quarries, and other blasting activities. It sells its products through distributors, as well as directly to end customers in the United States and other parts of North America. The company serves to the agricultural, industrial, and mining markets. LSB Industries, Inc. was incorporated in 1968 and is headquartered in Oklahoma City, Oklahoma.

NL Industries, Inc., through its subsidiary, CompX International Inc., operates in the component products industry in Europe, North America, the Asia Pacific, and internationally. The company manufactures and sells mechanical and electronic cabinet locks and other locking mechanisms, including disc tumbler locks; pin tumbler locking mechanisms under KeSet, System 64, TuBar, and Turbine brands; and electronic locks under CompX eLock and StealthLock brands for use in various applications, such as mailboxes, ignition systems, file cabinets, desk drawers, tool storage cabinets, high security medical cabinetry, integrated inventory and access control secured narcotics boxes, electronic circuit panels, storage compartments, gas station security, vending and cash containment machines. It also offers original equipment and aftermarket stainless steel exhaust headers, exhaust pipes, mufflers, and other exhaust components; gauges, such as GPS speedometers and tachometers; mechanical and electronic controls and throttles; wake enhancement devices, trim tabs, steering wheels, and other billet aluminum accessories; dash panels, LED indicators, wire harnesses, and other accessories; and grab handles, pin cleats, and other accessories; primarily for performance and ski/wakeboard and performance boats. In addition, the company produces and markets value-added titanium dioxide pigments, a base industrial product used in imparting whiteness, brightness, opacity, and durability to a diverse range of customer applications and end-use markets, including coatings, plastics, paper, inks, cosmetics, pharmaceuticals, and other industrial and consumer products. The company sells its component products directly to original equipment manufacturers, as well as through distributors. NL Industries, Inc. was founded in 1891 and is based in Dallas, Texas. NL Industries, Inc. operates as a subsidiary of Valhi, Inc.

Polydex Pharmaceuticals Ltd. is a development stage company, which engages in manufacturing of bulk pharmaceutical intermediates for the worldwide veterinary pharmaceutical industry, and the development, manufacturing, and marketing of biotechnology-based products for the human pharmaceutical market. The firm focuses on Dextran and derivative products, including Iron Dextran and Dextran Sulphate and other specialty chemicals. The company was founded by Thomas C. Usher on June 14, 1979 and is headquartered in Toronto, Canada.

Praxair, Inc. produces and distributes industrial gases. It operates through five segments: North America, Europe, South America, Asia, and Surface Technologies. The company offers atmospheric gases, including oxygen, nitrogen, argon, and rare gases; and process gases, such as carbon dioxide, helium, hydrogen, electronic gases, specialty gases, and acetylene. It also supplies wear-resistant and high-temperature corrosion-resistant metallic and ceramic coatings and powders to the aircraft, energy, printing, primary metals, petrochemical, textile, and other industries. In addition, the company offers electric arc, plasma and wire spray, and high-velocity oxy-fuel equipment; and distributes hardgoods and welding equipment purchased from independent manufacturers. It serves various industries, such as healthcare, petroleum refining, manufacturing, food, beverage carbonation, fiber-optics, steel making, aerospace, chemicals, and water treatment. Praxair, Inc. was founded in 1907 and is headquartered in Danbury, Connecticut.