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.

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.

Blue Whale Materials is a company that focuses on recycling solutions, specifically within the battery recycling industry. The company's main service involves the safe reclamation and responsible supply of critical materials such as cobalt, nickel, and lithium from recycled lithium-ion batteries. These services primarily cater to the electrified economy, including sectors such as smart phones, electric vehicles, and electric storage technology. It was founded in 2018 and is based in Washington, District of Columbia.

Redivivus specializes in lithium-ion battery recycling, focusing on logistics and material recovery in the recycling industry. The company offers services that include neutralizing battery hazards, cryogenic freezing, shredding, and safe transportation of battery materials for recycling. Redivivus targets the recycling challenges faced by various sectors, providing solutions to safely and efficiently handle end-of-life batteries. It was founded in 2020 and is based in Colorado Springs, Colorado.

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.

Battery Pollution Technologies specializes in creating a circular economy for the lithium-ion battery sector. The company offers services such as recycling of lithium-ion batteries, maximizing the recovery and reprocessing of critical battery minerals, and repurposing batteries for second-life applications. Battery Pollution Technologies primarily serves sectors that require battery recycling and repurposing, including the electric vehicle industry and energy storage solutions. Battery Pollution Technologies was formerly known as Battery Pollution. It was founded in 2021 and is based in Sydney, New South Wales.