U.S. Department of Energy

Redwood Materials, Inc. is a recycling and materials processing company based in Carson City, Nevada, founded in 2017. The company specializes in developing sustainable methods for recycling various metals and materials, particularly from batteries and electronics, to support circular supply chains. Its focus includes lithium, nickel, copper, gold, silver, cobalt, and other critical elements used in electric vehicles, renewable energy storage, and consumer electronics. By providing environmentally sound recycling solutions, Redwood Materials aims to address the increasing demand for battery end-of-life management as the number of electric vehicles rises globally. The company's innovative technology not only recycles waste but also generates essential raw materials, enabling manufacturers to create sustainable products and significantly contributing to the transition towards a circular economy.

Repurpose Energy provide affordable & sustainable energy storage solutions to enable the renewable energy transition.

Gross-Wen Technologies, Inc. develops, manufactures, and markets a wastewater treatment solution to recover nutrients from wastewater to municipalities and wastewater-producing industries. It offers revolving algal biofilm (RAB) system that recovers nitrogen and phosphorus from wastewater while producing algae biomass that could be sold as a fertilizer or bioplastic. The company was incorporated in 2013 and is based in Slater, Iowa.

ZwitterCo provides revolutionary membrane solutions for the treatment of highly-impaired wastewater.

Gopher Resource LLC is an environmental solutions provider specializing in the recycling of lead-based batteries and other hazardous household waste. Established in 1946 and headquartered in Eagan, Minnesota, with an additional facility in Tampa, Florida, the company employs advanced technology and sustainable practices to process lead-acid batteries and various recyclable materials, including plastics, metals, and electronics. Gopher Resource is committed to environmental sustainability and safety, achieving recognition for its high standards in these areas. The company’s operations focus on producing refined lead primarily for use in automotive and industrial batteries, while also recycling a diverse range of materials such as aerosols, paints, and scrap metal. Through its efforts, Gopher Resource aims to protect natural resources and foster continuous improvement, ensuring a safer, more sustainable future for its clients and the environment.

Ecolectro makes materials that make clean fuels and chemicals. The company is commercializing a proprietary platform of novel polymers that are best in class, allowing its customers to produce devices that last longer and cost less. Ecolectro has defensible IP, state-of-the-art facilities, experienced personnel, and strong customer traction.

Arbsource is developing wastewater treatment systems for the food & beverage industry, cutting painfully expensive water and power bills with biotechnology.