Lithion Recycling is a company focused on the sustainable production of strategic materials from lithium-ion batteries, operating in the recycling and energy sectors. The company's main service involves the recovery and reuse of up to 95% of the components of lithium-ion batteries, which are commonly used in electric vehicles and portable electronics. This service is aimed at reducing the environmental impact of these batteries and making the energy transition more sustainable. It was founded in 2017 and is based in Anjou, Quebec.

Redwood Materials specializes in creating a sustainable circular supply chain for lithium-ion batteries within the recycling and manufacturing industry. The company's main services include recycling used batteries, refining metals through hydrometallurgical processes, and remanufacturing anode and cathode components for new batteries. Redwood Materials primarily serves the battery manufacturing sector, providing domestically sourced materials to U.S. cell manufacturers. It was founded in 2017 and is based in Carson City, Nevada.

Ascend Elements specializes in the production of battery materials for the lithium-ion battery industry. The company offers a patented Hydro-to-Cathode process that recycles spent lithium-ion batteries into materials for use in new electric vehicle (EV) batteries. It serves electric vehicle original equipment manufacturers (OEMs), battery manufacturers, and cathode manufacturers. Ascend Elements was formerly known as Battery Resourcers. It was founded in 2015 and is based in Westborough, Massachusetts.

tozero focuses on lithium-ion battery recycling within the environmental services industry. The company offers a sustainable process to recover critical materials such as lithium, nickel, cobalt, manganese, and graphite from all types of lithium-ion batteries, reintroducing them into the supply chain. It primarily serves sectors like eMobility firms, electronic waste recyclers, battery manufacturers, and second-life battery firms. The company was founded in 2022 and is based in Munich, Germany.

Princeton NuEnergy operates as a clean-technology company. The company offers a solution for recycling lithium-ion batteries, using its low-temperature plasma-assisted separation technology. Its technology allows the company to produce cathode active materials from spent lithium-ion batteries, which are primarily used in electric vehicles, consumer electronics, and energy storage batteries. It was founded in 2019 and is based in Bordentown, New Jersey.

Green Li-Ion is a lithium-ion battery recycling technology company focused on producing modular hardware solutions for the battery recycling sector. The company's main offerings include converting spent batteries into cathode and anode materials that are ready for integration into the manufacturing processes of various types of batteries. It was founded in 2020 and is based in Singapore, Singapore.