Contained Energy develops, manufactures and sells fuel cells that aim to make electricity directly from carbon dioxide found in air resulting in fuel cells that run much cooler than traditional hydrogen-powered cells.

H2X designs and manufactures vehicles and heavy equipment. It develops hydrogen fuel cell electric vehicles (FCEVs) and fuel cell electric generators. The company was founded in 2020 and is based in Sydney, Australia.

Ceramatec is an advanced ceramics material technologies and development company. Ceramatec's advanced ceramics material technology research and development focus is primarily in energy & environment (cleantech) areas.

Upstart Power provides advanced fuel cell power solutions for portable, remote and mobile applications in the ten to the 1,000-watt range. It develops several products designed for end-users in the military, commercial, and consumer markets that are currently underserved by batteries and small generators. It was formerly known as Protonex Technology and changed its name to Upstart Power. The company was founded in 2000 and is based in Southborough, Massachusetts.

Nexceris, fka NexTech, has established a reputation for innovation and performance through its development of ceramic materials and components. Specifically, the company's team of scientists and engineers has developed , high volume processes to manufacture the active components of solid oxide fuel cells (SOFCs) utilizing the company's electrolyte and electrode materials. NexTech has recently moved its operations into a 56,000 square foot facility and has begun offering SOFC components commercially. In addition the company are developing catalysts and sensors for fuel processing applications. NexTech's advanced fuel cell and catalyst materials have been sold to over 160 customers worldwide and are available from the company's Fuel Cell Materials division via its website, www.fuelcellmaterials.com. The company welcome inquiries for quantity contracts.