Infinium develops clean metal production technologies within the metals industry. The company offers solutions for the primary production and recycling of light metals, such as magnesium and rare earth elements, with a focus on zero emissions and energy efficiency. Infinium's technologies are primarily utilized in sectors such as aerospace, automotive, consumer technology, defense, energy, and mass transit. It was founded in 2008 and is based in Natick, Massachusetts.

American Rare Earth specializes in how critical and rare earth elements are both sourced and processed while focusing on the recycling of end-of-life products, such as rare earth permanent magnets and lithium-ion batteries, as well as coal-based waste streams and byproducts, to create a low-cost, environmentally-safe, circular supply chain. American Rare Earth has developed its scalable “Capture-Process-Purify” process chain in conjunction with its licensed intellectual property, including 16 patents and technologies and sponsored research partnerships with three universities to support the domestic supply chain’s growing demand for magnet and battery metals.

Galaxy Magnesium is a company focused on transforming global industries with its magnesium-based products, operating within the metals and mining sector. The company specializes in providing light, strong, versatile, and durable magnesium alloys, streamlining global supply chains with custom alloy solutions and all-inclusive pricing. Galaxy Magnesium primarily serves sectors such as automotive, aerospace, energy, construction, finance, pharmaceuticals, and consumer products with its magnesium offerings. It was founded in 2018 and is based in Honolulu, Hawaii.

Electron Energy specializes in the development and production of rare earth magnets and magnetic solutions across various industries. The company offers products including permanent magnets, magnet assemblies, and custom-engineered magnetic components designed to meet specific application needs. Electron Energy serves sectors such as aerospace, defense, medical, industrial, oil & gas, and telecommunications. It was founded in 1970 and is based in Landisville, Pennsylvania.

Big Blue Technologies is involved in the development of primary magnesium metal production processes within the materials manufacturing sector. The company provides production technologies for magnesium and calcium aluminate, focusing on safety and environmental standards. Big Blue Technologies serves the manufacturing, construction, and defense industries with its products. It was founded in 2015 and is based in Cheyenne, Wyoming.

US Magnesium is involved in the production and management of primary magnesium within the chemical manufacturing industry. The company focuses on refining, electrolysis, and recycling of magnesium, providing products including magnesium alloys, chemicals, and pure magnesium. US Magnesium serves sectors that require primary magnesium for various applications. It was founded in 1972 and is based in Salt Lake City, Utah.