Magnium is a company focused on the manufacturing of magnesium metal, operating within the metals and mining industry. The company's main service involves the production of net zero carbon, zero toxin magnesium metal, which is used to create lightweight alloys for various applications. Magnium primarily sells to sectors such as renewable energy, clean technology, advanced manufacturing, defence and security technologies, consumer electronics, agriculture, medical applications, and critical infrastructure. It was founded in 2020 and is based in Collingwood, Victoria.

American Magnesium is a company involved in the development and production of magnesium metal and portland cement, operating in the mining and materials sector. The company intends to establish a modular milling complex to produce magnesium metal from a magnesium-dolomite deposit, with a production capacity that can be adjusted as needed. It was founded in 2013 and is based in Elephant Butte, New Mexico.

Mag One is a technology, processing, and production company focused on the sustainable production of magnesium metal and ultrapure magnesium compounds. The company offers environmentally friendly and low-waste solutions for producing high-purity magnesium oxide and magnesium metal, leveraging innovative technology for cleaner processing. Mag One's products are used in various applications, including the automotive industry for lightweight and strong materials, and in the construction sector for high-performance building materials. It was founded in 2007 and is based in Vancouver, British Columbia.

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.

Western Magnesium (Other OTC: MLYF) engages in the exploration and development of mineral properties. The company primarily explores magnesium deposits. The company also produces and processes eco-friendly magnesium metals and alloys. The company was formerly known as Nevada Clean Magnesium Inc. and changed its name to Western Magnesium in May 2019. Western Magnesium was founded in 1966 and is headquartered in McLean, Virginia. It operates as a subsidiary of Phibro Animal Health Corporation.

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.