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View Electrofuel's top competitors like Areva, Ballard Power Systems, and Doosan Fuel Cell America, Inc..

Siemens
Siemens AG (Berlin and Munich) is a leading technology company focused on industry, infrastructure, mobility, and healthcare. The company’s purpose is to create technology to transform the everyday, for everyone. By combining the real and the digital worlds, Siemens empowers customers to accelerate their digital and sustainability transformations, making factories more efficient, cities more livable, and transportation more sustainable. A leader in industrial AI, Siemens leverages its deep domain know-how to apply AI – including generative AI – to real-world applications, making AI accessible and impactful for customers across diverse industries. Siemens also owns a majority stake in the publicly listed company Siemens Healthineers, a leading global medical technology provider pioneering breakthroughs in healthcare. For everyone. Everywhere. Sustainably. In fiscal 2025, which ended on September 30, 2025, the Siemens Group generated revenue of €78.9 billion and net income of €10.4 billion. As of September 30, 2025, the company employed around 318,000 people worldwide on the basis of continuing operations.
Munich, DE
Public
$78.5B Revenue
http://www.siemens.com
275.3K Employees
NSE:SIEMENS Ticker
Doosan Fuel Cell America, Inc.
We are a global leader in providing clean, continuous-duty, cost-competitive stationary fuel cell energy systems. Our PureCell® systems operate 24/7 with high efficiency and ultra-low emissions, allowing our customers to generate their own electricity and heat onsite while reducing their utility expenses and environmental emissions. With over 11 million fleet operating hours, PureCell® systems have demonstrated unparalleled durability and reliability. Doosan Fuel Cell America, Inc. is a new fuel cell company founded on the strength of the people and technology developed at United Technologies over the past fifty years. In July 2014, Doosan Corporation acquired the assets of ClearEdge Power (formerly UTC Power). We are building on the value of the organization and aspire to be the technology and market leader in the fuel cell industry. Our headquarters are in South Windsor, CT at the site of our world-class fuel cell R&D and manufacturing facilities. WE ARE ACTIVELY SEEKING NEW TALENT TO JOIN OUR TEAM. Please visit our website to review the open positions: http://www.doosanfuelcellamerica.com/about/doosancareers Doosan Corporation Doosan Corporation is a global leader in infrastructure support and power generation equipment with annual revenues exceeding $21 billion. Doosan Group companies include Bobcat Company (construction equipment), Doosan Skoda Power (steam turbines), and Doosan Babcock (engineering and services). Doosan employs over 3000 people in the United States, and 43,000 people in 38 countries worldwide. For more information about the full scope of Doosan Corporation, please visit www.doosan.com.
South Windsor, Connecticut, US
Private
$75.3M Revenue
http://www.doosanfuelcell.com
146 Employees
Plug Power
Plug is building an end-to-end green hydrogen ecosystem, from production, storage and delivery to energy generation, to help its customers meet their business goals and decarbonize the economy. www.plugpower.com.
Latham, New York, US
Public
$684.5M Revenue
https://www.plugpower.com
2K Employees
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