# Aymium

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/aymium

- Industry: Renewable Energy
- Headquarters: St. Paul, US
- Website: www.aymium.com
- Latest round: Series B (Mar 1, 2022)
- Investors on record: 4

## About

Based in Minnesota, US, and founded in 2012, Aymium is a producer and distributor of bioproducts that are intended to minimize fossil fuel consumption in the fields of energy, metals, agriculture, and many more. In February 2025, Aymium raised USD 150 million in venture funding from new investor Bedrock Industries., and as of April 2022, the company is being led by its founder and CEO, James Mennell. The firm operates a biocarbon facility in Michigan. Aymium offers renewable, high-performance biohydrogen and biocarbon products and solutions that minimize the environmental impact of fossil fuel consumption in various applications. The company’s patented process utilizes combustion-free thermolysis technology to produce biocarbon and biohydrogen, along with water as the byproduct. The firm’s product portfolio includes metallurgical carbon (for the steel and semiconductor industries), activated carbon (for water purification or filtration), bioenergy carbon, agricultural carbon, and biohydrogen (a sustainable fuel).

## Funding rounds

- Series B, Mar 1, 2022 — Rio Tinto Group, Sandton Capital Partners, Steel Dynamics, Inc., NIPPON STEEL TRADING CORPORATION

## Investors

- Rio Tinto Group — Series B
- Sandton Capital Partners (https://capitalatlas.ai/funds/sandton-capital-partners) — Series B
- Steel Dynamics, Inc. — Series B
- NIPPON STEEL TRADING CORPORATION — Series B