New Materials Startups

Macro Biologics designs, patents, and produces advanced biomaterials for applications in healthcare, clean food and water, and packaging. Its work has included antimicrobial and burn-related research supported by US Army Medical Research and CARB-X.

1 investor

MADDE provides 3D printing-based manufacturing services using silicon carbide (SiC) and metal materials, producing components for high-value industries including semiconductors, space, nuclear, and defense. Its SiC parts are used for applications such as rocket bodies and nozzles, high-temperature reactor fuel components, and defense hardware.

1 investor

Maglut develops rare earth element purification technology, focusing on precision purification processes for domestic U.S. rare earth production.

1 investor

Magma Global manufactures carbon fibre composite pipe by fusing carbon fibre with oil field polymer using robots and lasers, marketed as m-pipe. The pipe is designed to simplify and lower the cost of subsea oil and gas architecture for operators and contractors worldwide.

1 investor

Magmatic designs and builds custom synthetic proteins that selectively bind and separate metals from complex mixtures, using an AI-powered bioengineering platform. Its biorefining process targets critical minerals such as lithium, rare earth elements, nickel, and manganese, serving the critical minerals supply chain and material recycling from batteries and electronic waste.

1 investor

Magment develops magnetizable concrete and asphalt made with recycled ferrite materials for contactless wireless charging and power transmission infrastructure. Its MagPower and MagCharge products target applications such as road electrification, warehouses, data centers, and micromobility.

1 investor

Industrial Magnetics Inc. (IMI) designs, engineers, and manufactures industrial-grade magnetic solutions—including separation and sorting equipment, magnetic tools, and work-holding clamps—for industrial and manufacturing applications. Its products, sold under brands such as MAG-MATE, Walker Magnetics, Javelin, and KANT-TWIST, aim to improve product purity, protect processing equipment, and increase workplace safety.

1 investor

Magnitude Instruments designs benchtop transient absorption (TA) spectrometers and amplified photodetectors for chemists, physicists, materials scientists, and biochemists. Its patented noise-suppression technology aims to make TA spectroscopy easier and more sensitive for research applications in photochemistry and materials science.

1 investor

The Maillis Group provides industrial packaging solutions that combine machines, consumables, and services for a range of packaging applications. It relies on production equipment, raw materials, and technical know-how to serve various end-of-line and secondary packaging needs.

1 investor

Mana Battery develops sodium-based battery cells that use earth-abundant materials such as sodium, iron, and aluminum instead of lithium or cobalt, and can be produced on existing lithium-ion manufacturing lines. Its cells feature a proprietary self-extinguishing liquid electrolyte and an anode-free design intended to lower bill-of-materials cost and improve energy density and safety compared to conventional lithium-ion and sodium-ion batteries.

1 investor

Mantel develops the DataPrint universal printing system, including DataPrintAlu, a process that prints inks into open-pored anodized aluminum and seals the surface to produce chemical-, abrasion-, UV-, fire- and scratch-resistant printed metal panels. The technology targets exterior design and industrial printing applications.

1 investor

Manitowoc Tool & Machining (MTM) is a contract machining company that performs large-scale machining and turning of castings, forgings, and billet, operating an ISO 9001-based quality management system with bar code routing for traceability. It serves industrial manufacturing customers, primarily in the U.S. Midwest.

1 investor

Mara produces DHA-rich omega-3 oils from a marine microalgal strain sourced off the coast of Atlantic Canada, using a solvent-free, FSCC 22000-accredited enclosed process. The company supplies these algae-based ingredients for children's formula, nutritional supplements, food applications, and animal nutrition.

1 investor

Marco transforms discarded coffee grounds from Parisian offices into cosmetic ingredients and biomaterials using supercritical CO2 extraction and green chemistry processes. The company produces natural cosmetic actives (OILCO, BUTTERCO, MARCO) with complete supply chain traceability and reduced carbon footprint.

1 investor

Marine Metals operates a circular ship recycling and dismantling business, breaking down end-of-life vessels to recover high-quality scrap metal for sustainable steelmaking. The company develops specialized dismantling infrastructure and operates in the western Netherlands, targeting the maritime decommissioning and metals reuse market.

1 investor

Maruei Sangyo is a Japanese contractor specializing in anti-corrosion (bosyoku) maintenance and repair for social infrastructure, offering painting, heat/acid-resistant coating, concrete corrosion protection, resin lining, FRP fabrication, and large-scale building renovation. It serves industrial clients in steel, power, petrochemical, gas, shipbuilding, machinery, and construction sectors, and is based in Kitakyushu, Kyushu.

1 investor

MaRVis Tech develops MR safe and visible medical devices, including a portfolio of guidewires for minimally invasive procedures guided by magnetic resonance imaging (MRI). Its products are based on proprietary high-performance materials designed for interventional MRI procedures.

1 investor

Mass Magnetics manufactures high-performance neodymium-iron-boron rare-earth magnets in the United States from recycled and domestic feedstocks, using a rapid sintering process and machine learning to sort scrap by grade and chemistry. It targets defense and industrial buyers needing DFARS-compliant domestic magnets and also sells DFARS-compliant rare-earth alloys to domestic metallurgists.

1 investor

Mat3ra provides a cloud platform for materials R&D where chemists and materials scientists design structures, run simulations, and build AI models collaboratively. It targets research teams looking to organize their work and speed up the modeling phase of product development.

1 investor

Materia Bioworks develops sustainable biomaterials and operates MAPS (Materials Application Prediction System), a platform using computational chemistry and AI/ML to help companies develop market-ready sustainable products from material sourcing to manufacturing. It serves industries such as packaging, food & beverage, and pharmaceuticals, focusing on bioplastics and reducing carbon footprint and plastic pollution.

1 investor

Metinvest is developing a steel production facility in Piombino, Italy with the capacity to produce approximately 2.7 million tonnes of low-carbon hot-rolled steel annually. The project is a brownfield investment at the former Lucchini site in Tuscany, designed to strengthen Metinvest's EU-based flat steel position.

1 investor

Material makes kitchenware and kitchen tools designed for everyday cooking and food preparation. The company serves home cooks seeking quality, innovative kitchen products.

1 investor

Material develops HYBRID3D, a proprietary manufacturing platform that produces full-stack batteries in-situ—including anode, cathode, separator, and casing—without molds, enabling batteries to be shaped to fit curves, edges, and voids. The company designs in-house nanomaterial chemistries and current collector-free battery architectures that scale from prototype to production without retooling.

1 investor

Material Evolution develops low-carbon cement using a proprietary alkali fusion process that operates at ambient temperatures, significantly reducing emissions compared to conventional cement production. The company serves architects, engineers, and construction firms seeking sustainable alternatives to traditional cement, using AI and machine learning to optimize material selection and manufacturing efficiency.

1 investor