Materials

Apogee CompositesSanta Fe Springs

Manufacturing·Materials

Composite prepregs for vacuum-bag-only curing

ArcturusLos Angeles

Materials

Metals infused with carbon nanomaterials for better conductors

AthanorAustin

Manufacturing·Materials

Modular specialty nitrogen chemistry for defense supply

Boston MetalWoburn

Materials·Energy·Manufacturing

Molten oxide electrolysis for steel and critical metals

BrimstoneOakland

Materials·Energy·Construction

A process that makes cement and metals from a single rock

CarbiceAtlanta

Materials

Carbon nanotube thermal interface materials for cooling

CarbonBuiltDanielson

Materials·Construction

Low-carbon concrete masonry made without cement

ConiferSunnyvale

Mobility·Manufacturing·Materials

Axial-flux electric motors and powertrains

Cosmic ShieldingHuntsville

Space·Materials

Radiation shielding for electronics in space

Determinant MaterialsPensacola

Materials·Mining·Manufacturing

Recovers refined metals from electronic waste

DexMatHouston

Materials·Electronics·Defense

Galvorn carbon nanotube fibers and films

Diamond FoundrySouth San Francisco

Materials·Manufacturing

Single-crystal diamond wafers for semiconductors

Dimensional EnergyIthaca

Energy·Materials

Catalysts that turn syngas into low-carbon fuels

ElectroflowSan Francisco Bay Area

Mining·Materials·Energy

Electrochemical lithium extraction from low-grade brines

Epic Advanced MaterialsLos Angeles

Materials·Manufacturing

Boron nitride nanotube materials and composites

EquaticSanta Monica

Energy·Materials

Seawater electrolysis for carbon removal and hydrogen

FabriBillerica

Manufacturing·Materials

Rapid metal investment castings for aerospace and industry

FAST MetalsStamford

Mining·Materials

Extracts critical minerals from alumina refinery red mud

General MatterLos Angeles

Materials·Manufacturing

Domestic uranium enrichment for nuclear fuel

Group14 TechnologiesWoodinville

Energy·Materials

Silicon-carbon anode materials for lithium-ion batteries

Hertha MetalsConroe

Materials·Energy·Manufacturing

Makes steel with a coal-free pyrometallurgical process

HybronEl Segundo

Manufacturing·Materials

Composite parts made fast for aerospace and defense

InterluneSeattle

Space·Mining·Materials

Lunar helium-3 harvesting and space resource hardware

Kunin TechnologiesChattanooga

Mining·Materials

Recovers gallium and germanium from US mine waste

Lakril TechnologiesChicago

Materials·Energy

Catalysts that make bio-based acrylic acid from lactic acid

Layup PartsHuntington Beach

Manufacturing·Materials

Composite parts from prototype through production

LIFTDetroit

Manufacturing·Materials

Manufacturing institute for lightweight metals and materials

LumarilLos Angeles

Materials

AI software that optimizes industrial plant production

Maglut Heavy IndustriesLong Beach

Materials·Manufacturing

Continuous processing line for separating rare earths

Mana BatteryBoulder

Energy·Materials

Anode-free sodium-ion battery cells

MetalplantSan Francisco Bay Area

Mining·Materials

Grows nickel from plants on rock-weathering farms

Niron MagneticsMinneapolis

Manufacturing·Materials

Rare-earth-free iron nitride permanent magnets

Nox MetalsFerndale

Manufacturing·Materials

Aluminum plate and bar cut to size and sold online

OctaviaPalo Alto

Mining·Materials

AI-driven exploration for critical mineral deposits

Optica IndustriesLos Angeles

Materials·Manufacturing

Our Next EnergyNovi

Energy·Materials

Batteries for grid and vehicle energy storage

Pajarito PowderAlbuquerque

Energy·Materials

Catalysts for fuel cells and electrolyzers

Radical AIBrooklyn

AI·Materials·Robotics

Robotic self-driving lab that discovers new alloys

Radify MetalsCampbell

Materials·Manufacturing

Plasma reactors for refining metals and rare earths

RainmakerEl Segundo

Materials

Drone-based cloud seeding systems to increase rainfall

Redwood MaterialsSparks

Energy·Mining·Materials

Recycles batteries into critical materials and grid storage

Riven SystemsNew York

AI·Mining·Materials

AI platform for critical mineral processing chemistry

SendCutSendReno

Manufacturing·Materials

On-demand sheet metal cutting and fabrication service

Seurat TechnologiesWilmington

Manufacturing·Materials

Metal 3D printed parts made with laser area printing

Sila NanotechnologiesAlameda

Materials·Energy

Silicon anode materials for lithium-ion batteries

SolarcorePortland

Materials·Energy

Aerogel thermal insulation foams

SolugenHouston

Materials·Manufacturing·Energy

Makes chemicals from sugar using enzymes and metal catalysts

Steelhead CompositesGolden

Manufacturing·Materials·Energy

Composite pressure vessels for aerospace and hydrogen

Sublime SystemsSomerville

Materials·Energy·Construction

Low-carbon cement made electrochemically without kilns

Syzygy PlasmonicsHouston

Energy·Materials

Photonic reactors that turn biogas into aviation fuel

The Earthineering CompanyClaremont

Nuclear·Energy·Materials

Nuclear reactors that supply industrial process heat

TwelveBerkeley

Energy·Materials

Converts CO2 into fuels and chemicals using electricity

USA Rare EarthStillwater

Materials·Mining·Manufacturing

Rare earth mining and NdFeB magnet manufacturing

Via SeparationsWatertown

Energy·Materials

Voya EnergyHayward

Energy·Materials

Aluminum-fueled generators for industrial power

Vulcan ElementsDurham

Manufacturing·Materials

Rare earth magnets for EVs and defense

Western ChemicalsEl Segundo

Energy·Materials

Turns wastewater into low-cost fuels

Westwood AerogelAlbany

Manufacturing·Materials

Aerogel thermal insulation materials

Wildcat Discovery TechnologiesSan Diego

Materials·Energy

US-made battery cathode materials

ZennoLos Angeles

Space·Materials·Electronics

Superconducting magnets for satellite attitude control