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Ballard Power Systems Inc. engages in the design, development, manufacture, sale, and service of proton exchange membrane (PEM) fuel cell products. The company offers its products for power product comprising for bus, truck, rail, marine, stationary, and emerging market, such as material handling, off-road, and other applications. It also engages in the delivery of services, including technology solutions, after sales services, and training; and provision of engineering services, product and systems integration services, and related technology transfer for a variety of PEM fuel cell applications. It operates in the United States, Germany, Canada, China, Poland, the United Kingdom, the Netherlands, France, Denmark, Belgium, India, Taiwan, Spain, Norway, Australia, Japan, and internationally. The company has a strategic alliance with Linamar Corporation for the co-development and sale of fuel cell powertrains and components for class 1 and 2 vehicles in North America and Europe. Ballard Power Systems Inc. was founded in 1979 and is headquartered in Burnaby, Canada.

GrafTech International Ltd. research, develops, manufactures, and sells graphite and carbon-based solutions worldwide. The company offers graphite electrodes to produce electric arc furnace steel and other ferrous and non-ferrous metals; and petroleum needle coke, a crystalline form of carbon used in the production of graphite electrodes and synthetic graphite. It sells its products primarily through direct sales force, independent sales representatives, and distributors. GrafTech International Ltd. was founded in 1886 and is headquartered in Brooklyn Heights, Ohio.

Hollysys Automation Technologies Ltd. provides automation control system solutions in the People's Republic of China, Southeast Asia, India, and the Middle East. The company offers a suite of industrial automation systems, including hardware-centric products, such as instrumentation and actuators; proprietary software-centric distributed control systems/programmable logic controllers; and valued-added software packages comprising simulation training system, HolliAS asset management system, advanced process control, and manufacturing execution system, as well as HOLLiAS MACS-N DCS, a proprietary nuclear power non-safety automation and control system. It provides train control center, an on-ground control center that monitors route condition, track status, train schedules, distance between trains, and the working status of other function devices, as well as generates control instructions and commands. In addition, the company offers automation train protection that operates as a train over-speed protection mechanism; other signaling products, including automatic train operation system, track circuit, line-side electronic unit, balise transmission module, temporary speed restriction server, radio block center, and computer-based interlocking; and supervisory control and data acquisition system, an open software platform. Further, it offers integrated automation control system solutions, mechanical and electrical solutions, including design, engineering, procurement, project management, construction and commissioning, and maintenance related services, and installation services. The company was formerly known as HLS Systems International Ltd. and changed its name to Hollysys Automation Technologies Ltd. in July 2009. Hollysys Automation Technologies Ltd. was founded in 1993 and is headquartered in Beijing, the People's Republic China.

Plug Power Inc. develops hydrogen and fuel cell product solutions in North America, Europe, Asia, and internationally. The company offers GenDrive, a hydrogen-fueled proton exchange membrane (PEM) fuel cell system that provides power to material handling electric vehicles; GenSure, a stationary fuel cell solution that offers modular PEM fuel cell power to support the backup and grid-support power requirements of the telecommunications, transportation, and utility sectors; ProGen, a fuel cell stack and engine technology used in mobility and stationary fuel cell systems, and as engines in electric delivery vans; GenFuel, a liquid hydrogen fueling delivery, generation, storage, and dispensing system; GenCare, an ongoing Internet of Things-based maintenance and on-site service program for GenDrive fuel cell systems, GenSure fuel cell systems, GenFuel hydrogen storage and dispensing products, and ProGen fuel cell engines; and GenKey, an integrated turn-key solution for transitioning to fuel cell power. It also provides electrolyzers, a hydrogen generator for clean hydrogen production; liquefaction systems that provides liquid hydrogen to customers; cryogenic equipment for the distribution of liquified hydrogen, oxygen, argon, nitrogen and other cryogenic gases, including trailers and mobile storage equipment; and liquid hydrogen, an alternative fuel to fossil-based energy. The company sells its products through a direct product sales force, original equipment manufacturers, and dealer networks. Plug Power Inc. was incorporated in 1997 and is headquartered in Latham, New York.

Thermon Group Holdings, Inc. provides engineered industrial process heating solutions for process industries in the United States and Latin America, Canada, Europe, the Middle East, Africa, and the Asia-Pacific. It provides heat tracing products, such as electric heat tracing cables, steam heating solutions, controls, monitoring and software, instrumentation, project services, industrial heating and filtration solutions, temporary electrical power distribution and lighting, and other products and services. The company also offers controls, monitoring, and software systems for the control and management of a heat trace system; environmental heating solutions under the Ruffneck, Norsemen, and Catadyne brands; process heating solutions under the Caloritech brand name; filtration solutions under the 3L Filters brand; and rail and transit solutions under the Hellfire, Velocity, ArcticSense, and other brand names. In addition, it provides transportation heating products, including track and switch heaters, accessories, control panels, rail heaters, gas blower accessories, and air curtains; track and switch heater, gas blower accessories; transit heaters; and velocity heat. Further, the company offers temporary power solutions; heating systems, such as engineered electric heat, explosion proof gas catalytic heaters, heaters for harshest environments, methane abatement, and engineered filtration system; electrically, steam, and fluid heated tubing bundles; and pre-insulated tubing and system accessories tubing bundles. The company serves chemical and petrochemical, oil and gas, power generation, rail and transit, commercial, energy transition/decarbonization, mining and mineral processing, maritime/shipbuilding, semiconductors, pharmaceutical and biotechnology, food and beverage, data centers, and renewables industries through a network of sales and service professionals, and distributors. Thermon Group Holdings, Inc. was founded in 1954 and is based in Austin, Texas.