Greentech companies leverage innovation and new business models to curb greenhouse-gas emissions, displace unsustainable materials, and reduce the demand for nonrenewable natural resources.

A new statistical ranking by TIME and Statista ranks 250 of America’s top sustainability-­focused companies, based on their positive environmental impact, financial strength, and innovation, to see who is rising to the top of the field. To determine these, Statista analyzed data points such as value of the company's intellectual property portfolio, revenue and funding, and environmental data specific to each industry, such as carbon capture, offsets, and renewable energy generated.

Brimstone has a new cement technology that can result in negative concrete emissions.

Boston Metal is commercializing Molten Oxide Electrolysis to decarbonize steelmaking. Commercial deployment is planned for 2026.

Electra is a company in Boulder, Colorado that has a low-temperature(60C) process that produces high quality pig iron, an important component in the Electric Arc Furnace steel mills.