Boston Metal Funding, Investors & Competitors

Phoenix Tailings is a Massachusetts-based technology company developing processes to recycle bauxite residue, known as red mud, from aluminum production to recover rare earth elements and critical minerals. The firm targets materials essential for defense, electric vehicles, electronics, and biotechnology sectors, operating pilot facilities that process thousands of tons annually. Founded in 2021, Phoenix Tailings partners with aluminum producers in the United States and Australia to remediate over 4 billion tons of global stockpiles.

Nanotech Energy is a materials supplier of graphene-based batteries and supercapacitors licensed from UCLA. Its graphene anodes enable charging in minutes and cycle lives exceeding traditional lithium-ion cells. Fremont-headquartered, the company produces conductive inks, antistatic coatings, and EMI shielding films for electronics and energy storage devices.

Jetti Resources is a Denver-headquartered mining technology company founded in 2014 that deploys catalytic hydrometallurgy to leach copper from chalcopyrite ores previously deemed uneconomic. Its process boosts recovery rates to 85% at sites like Kennecott and increases output by 30% without new infrastructure. Backed by $60 million from Newmont and Mitsubishi, Jetti treats 100 million tons annually across North and South America.

Electra is a steelmaking technology company that produces clean iron from high-impurity ores using electrolytic reduction powered by renewable energy. Operating a pilot plant in Boulder, Colorado since 2022, its process eliminates coking coal and cuts carbon emissions by 80% compared to blast furnaces. The company raised $85 million in Series A funding in 2023 from investors including Breakthrough Energy Ventures and works with steel producers to scale commercial facilities targeting 10 million tons annual output by 2030.

First Solar designs and manufactures solar photovoltaic panels, modules, and systems for use in utility-scale development projects. The company's solar modules use cadmium telluride to convert sunlight into electricity. This is commonly called thin-film technology. First Solar is the world’s largest thin-film solar module manufacturer. It has production lines in Vietnam, Malaysia, the United States, and India.

StoreDot is a Herzliya-headquartered battery innovator specializing in extreme fast-charging lithium-ion cells for electric vehicles and consumer electronics. Its silicon-dominant anodes enable 80% charge in five minutes at room temperature. The company licenses technology to partners like VinFast for automotive integration. Founded in 2012, StoreDot has demonstrated prototypes at CES and secured partnerships with TDK for mobile applications using organic compound electrodes.

TechMet is a private industrial firm securing supplies of critical metals for electric vehicles, renewable energy, and energy storage via mining, processing, refining, and recycling projects. It holds stakes in production and development assets across Africa, North America, and South America.

Turntide Technologies is a developer of high-efficiency switched reluctance motors and cloud-managed systems for buildings, agriculture, and electric vehicles. Headquartered in Sunnyvale, California, since its founding in 2018, the company targets the replacement of inefficient legacy motors responsible for significant global electricity waste. Its products include the SR motor line, deployed in HVAC systems and pumps worldwide.

Northvolt was a Swedish battery manufacturer founded in 2015 to build the world's greenest, sustainably sourced lithium-ion batteries. Powered entirely by renewable energy (wind and hydro), Northvolt aimed to produce batteries with the lowest carbon footprint globally. Backed by heavyweights like Volkswagen and Goldman Sachs, it aimed to supply European automakers. However, facing severe scaling challenges and massive debt, the company filed for bankruptcy in 2024–2025.

Kraken is a London-headquartered customer engagement platform for energy, water, and broadband providers across Europe and North America. Its technology stack includes billing, CRM, self-service portals, and smart metering analytics to streamline operations. Kraken serves utilities like Octopus Energy and OVO, enabling net-zero transitions through demand response and EV charging management. The platform processes millions of customer interactions monthly, supporting regulatory compliance in deregulated markets.

Redwood Materials is a Sparks-headquartered battery recycling company founded in 2017 that recovers over 95 percent of critical materials like lithium, nickel, and cobalt from end-of-life electric vehicle batteries and manufacturing scrap. Operating a closed-loop facility in Nevada, it supplies refined metals to battery producers such as Panasonic and Ford while deploying second-life energy storage systems. The company processes thousands of tons monthly, reducing reliance on virgin mining.

Indigo is a Boston-headquartered agricultural technology company enhancing crop sustainability and yields through microbial seed treatments. The firm develops products like carbon farming programs and grain contracts for farmers in the US Corn Belt and beyond. Indigo markets microbiome-based inoculants to reduce fertilizer use and improve soil health on millions of acres.

Pivot Bio is a Berkeley-headquartered ag-biotech company founded in 2010 that engineers microbes for crop nutrition. The firm develops nitrogen-fixing products using its proprietary ON Technology, which deploys naturally occurring microbes to supply nitrogen directly to corn roots. This approach reduces reliance on synthetic fertilizers while boosting yields for farmers addressing global food demands.

Solugen is a biomanufacturing company producing specialty chemicals from plant sugars via precision fermentation. Houston-headquartered with a facility in Marshall, Texas, it supplies hydrogen peroxide precursors and surfactants to Procter & Gamble. The process replaces petrochemical routes with engineered enzymes and catalysts for carbon-negative output. Solugen addresses applications in personal care, cleaning products, and water treatment.

Plenty is a South San Francisco-headquartered vertical farming company producing pesticide-free leafy greens. Its indoor farms use 99 percent less land and 95 percent less water than traditional agriculture, supplying retailers like Walmart, Kroger, and Whole Foods across the United States and Japan.

Founded in 1902, Air Liquide is one of the leading industrial gas companies in the world, serving over 3.8 million customers in 78 countries. The company generated approximately EUR 27.9 billion of revenue in 2025, serving a wide range of industries, including chemicals, energy, healthcare, food and beverage, and electronics. Air Liquide employs approximately 65,000 people.

Merck KGaA operates in three main segments: life science, electronics, and healthcare. The life science segment provides laboratory consumables and instruments to researchers in academia and applied fields, including the biopharmaceutical industry. The electronics segment offers specialty materials to manufacture a variety of products, such as semiconductors and flat-screen televisions. In the healthcare segment, Merck develops, manufactures, and sells branded pharmaceuticals with significant therapeutic concentrations in oncology, multiple sclerosis, and fertility. In 1995, the E. Merck family publicly sold part of the company, resulting in the current 30% public ownership of the firm.

ArcelorMittal SA is involved in the steel industry. The company's operating segments include North America, Brazil, Europe, India and JVs, Sustainable Solutions, Mining and Other . It generates maximum revenue from the Europe segment. Europe segment produces hot-rolled coil, cold-rolled coil, coated products, tinplate, plate, and slab. These products are sold to customers in the automotive, general, and packaging sectors as well as also produce long products consisting of sections, wire rods, rebar, billets, blooms and wire drawing, and tubular products. Geographically, it derives a majority of its revenue from United States.