ARPA-E

Zepsor develops zero-power sensor technology that dramatically reduces battery consumption for IoT and sensing applications.

Deep TechHardwareIoTBoston, US

MRMatteo Rinaldi(Co-Founder & CEO)inZQZhenyun Qian(Co-Founder & CTO)in

Co-investorsRARaptor GroupSISilicon Catalyst

Foundational Alloy develops engineering alloys through a solid-state process called MetalsFIRST, in which metal is produced without melting to create microstructures unreachable by conventional metallurgy while controlling oxygen and contaminants.

Advanced ManufacturingDeep TechNew Materials

Jasper Lienhard(Cofounder)Jake(Co-founder (company strategy, operations, financing, commercialization))

Co-investorsALAlumni VenturesAMAmerica's Frontier FundBABasecamp FundCACastor VenturesELEl Cap EquityMAMaterial Impact+6 more

Advanced Conductor Technologies manufactures high-temperature superconducting CORC cables for high-field magnet and power transmission applications.

Deep TechEnergyHardwareNew MaterialsSemiconductors

ACT is a manufacturing company with over 220 employees and extensive facility operations focused on reducing environmental impact through energy conservation, recycling programs, and community sustainability initiatives.

Advanced ManufacturingDeep TechDefense TechHardwareImpact & Social GoodSpace TechLancaster, US

Scott Garner(Co-founder, Vice President of Industrial Products Group)Jon Zuo(President and Chief Technical Officer)

Altex develops combustion, thermal management, and fuels processing technologies for power systems including fuel cells, gas turbines, and biomass conversion systems.

CleantechClimate TechDeep TechEnergySan Jose, US

Ampcera develops scalable, low-cost solid electrolyte materials and solid-state battery technology for next-generation energy storage, aiming for higher energy density, faster charging, and improved safety over lithium-ion systems.

CleantechEnergyNew MaterialsMilpitas, US

Hui Du(Co-founder, CEO/CTO)inSZSumin Zhu(Executive Officer, Director)inInwan Sohn(Director)Alan Zhan-Sheng Lin(Director)

Big Blue Technologies develops an electrified aluminothermic process for producing primary magnesium metal and calcium aluminate with lower energy use and emissions than the incumbent Pidgeon process.

Advanced ManufacturingCleantechNew Materials

Biomason uses biotechnology to grow biocement, producing concrete and tile products by using bacteria to bind natural materials as an alternative to Portland cement, aimed at concrete producers and the construction industry.

BiotechClimate TechConstruction TechNew MaterialsResearch Triangle Park, US

GKGinger K. Dosier(Executive Officer, Director)inMichael F. Noel(Director)John M. Dosier(Executive Officer)

Co-investorsNONovo HoldingsCACarbonCECelesta CapitalCECelesta Capital

C-Crete manufactures a cement-free, ultra-low carbon concrete that matches conventional concrete in cost and performance for construction applications.

CleantechClimate TechConstruction TechNew Materials

Celadyne develops thin, durable proton exchange membranes used in fuel cells, electrolyzers, and flow batteries, with hydrogen fuel cells and electrolysis as initial applications.

CleantechEnergyNew MaterialsChicago, US

GOGary Ong(Founder & CEO)inCorey Staller(CTO)in

Co-investorsSHShell VenturesSPSputnik ATXMAManiv MobilityDYDynamo Ventures

Community Energy is a U.S. renewable energy developer that led early large-scale wind and later solar generation projects.

CleantechClimate TechEnergy

Co-investorsSJSJF Ventures

CompRex designs and manufactures compact heat exchangers and reactors using diffusion bonding and brazed plate fin technology for high-temperature and high-pressure industrial applications.

Advanced ManufacturingCleantechDeep TechEnergyHardwareLa Crosse, US

Zhijun Jia(CEO and Founder)

Creare is an engineering and research company with advanced laboratory and fabrication facilities for experimental work across scales and temperatures.

Advanced ManufacturingDeep TechDefense TechDeveloper ToolsEnterprise SoftwareHardwareNew MaterialsSpace TechHanover, US

Dr. Jay Rozzi(Vice President, Principal Engineer)Jeff Breedlove(Senior Staff)Dr. Odile Clavier(Senior Staff)Dr. Patrick Magari(President, Principal Engineer)

Deep Isolation Nuclear, Inc. is a company whose stock trades on the OTCQB under the ticker DBHL.

CleantechClimate TechDeep TechEnergyBerkeley, US

RMRichard Muller(Executive Officer, Director)inEMElizabeth Muller(Executive Officer, Director)inKent S. Cole(Director)

Co-investorsNUNucleation Capital

Emrgy develops a redesigned hydropower technology that lets customers generate continuous clean energy from existing water flows, supporting decentralized grid power independence.

CleantechClimate TechEnergyAtlanta, US

EMEmily Morris(Chief Executive Officer & Founder)inTCTom Cuthbert(Chief Technology Officer)in

BoardJMJennifer McFarlane(Director)AIAnastasia Istratova(Director)inJWJustin Wright-Eakes(Director)inBKBob Kelly(Director)

Co-investorsOVOval Park CapitalFIFifth WallATAtlanta Technology AngelsAVAvila

Empower Semiconductor designs power management and mixed-signal integrated circuits, including high-power and voltage regulation devices for the semiconductor industry.

AI & Machine LearningDeep TechHardwareSemiconductors

TPTim Phillips(Chief Executive Officer & President, Founder)inGSGene Sheridan(Founder)inTrey Roessig(Chief Technology Officer & SVP Engineering)Kurt Redfield(Chief Financial Officer & Treasurer)

Co-investorsCACapitalGRARaptor GroupSASamsung Catalyst FundSOSocratic PartnersATAtreides ManagementFIFidelity Investments+7 more

Envergex develops environmental engineering solutions for industrial facilities, specializing in emissions control and advanced materials for coal, biomass, and cement processing.

CleantechEnergyNew Materials

ESS Tech, Inc. builds iron flow battery systems for long-duration energy storage, offering up to 22 hours of storage to provide baseload power for grids, AI data centers, and communities.

CleantechEnergyHardware

CECraig Evans(Founder)in

Co-investorsBRBreakthrough Energy VenturesSASand Hill AngelsCYCycle Capital

Frost Methane Labs installs and remotely operates cover-and-flare systems that capture and destroy methane from livestock manure storage, then sells the resulting carbon credits and shares revenue with farms.

AgTechCleantechClimate TechEnergyJuneau, US

Olga Irzak(Executive Officer, Director)OIOlya Irzak(Founder)in

BoardEdwin Chiu(Director)

Co-investorsLOLOWERCARBONLOLowercarbon CapitalSKSkyview Ventures

Co-investorsDODorm RoomTHThe E14 Fund

Glint, a brand by Luminii, makes specification-grade architectural lighting including the HERO luminaire family, whose patented LightShift technology adjusts light direction without moving the fixture.

Advanced ManufacturingHardware

HighT-Tech develops advanced battery membranes and components using ultra-high strength (UHS) technology to improve performance, safety, and lifespan in battery applications.

Advanced ManufacturingCleantechDeep TechEnergyHardwareNew MaterialsCollege Park, US

Robert Gatte(Executive Officer, Director)Chao Wang(Co-Founder)Yunhui Gong(Director)Liangbing Hu(Co-Founder)in

BoardEdmund Gaffney(Director)

iBeam Materials develops ion-beam crystal alignment technology for manufacturing high-performance gallium nitride (GaN) devices on large-area substrates, enabling low-cost microLED displays and semiconductor applications.

Deep TechHardwareNew MaterialsSemiconductorsSanta Fe, US

Vladimir Matias(Founder & CEO)

Co-investorsSASamsung Ventures

InventWood produces SUPERWOOD, a wood-based structural material engineered at the nanoscale to be stronger than steel while lighter, offering properties like fire resistance and transparency for use in construction and buildings.

Advanced ManufacturingCleantechConstruction TechNew MaterialsFrederick, US

Liangbing Hu(Founder)inALEXANDER LAU(CEO, President and Chairman)TIMOTHY KREBS(Secretary, Treasurer)

BoardKEVIN TIDWELL(Director)

Co-investorsBABaruch Future VenturesCOCool Climate CollectivePUPulse FundDADangerous Ventures

JetCool designs direct-to-chip liquid cooling modules that use microconvective cooling technology to reduce energy consumption, water usage, and carbon footprints in high-power electronics.

CleantechDeep TechHardwareSemiconductorsLittleton, US

BMBernard Malouin Jr.(Executive Officer, Director)Jordan Mizerak(Cofounder)inBMBernie Malouin(Founder & CEO)inAMAlexandra Manick(Director)inLawrence Fish(Director)

Co-investorsBOBosch VenturesMAMassVenturesRORobert Bosch Venture CapitalSCSchooner CapitalINIn-Q-TelRARaptor Group

Kyma Technologies develops and supplies crystalline semiconductor materials—gallium nitride (GaN), aluminum nitride (AlN), and gallium oxide (Ga2O3)—for use in power electronics, RF devices, and optoelectronic applications.

Deep TechEnergyHardwareNew MaterialsSemiconductorsDurham, US

Heather Splawn(Co-founder)Jacob LeachGregg DodsonJerome CuomoMark Williams

Lectrolyst develops patented electrolyzer technology that converts carbon dioxide emissions into multi-carbon chemicals such as acetate and ethylene, partnering with carbon emitters and chemical consumers to produce everyday products including edible protein and plastics.

CleantechClimate TechDeep TechFoodTechNew MaterialsWilmington, US

GHGreg Hutchings(Co-founder & President)inFJFeng Jiao(Co-founder & Scientific Advisor)in

Co-investorsTHThe Innovation Space

Littoral Power Systems develops and manufactures products for hydropower and ocean energy projects that reduce construction time, cost, and regulatory complexity.

CleantechEnergyHardware

David Duquette(CEO)

Living Carbon develops precision-bred tree varieties and reforestation techniques to convert marginal land into carbon-sequestering ecosystems.

Advanced ManufacturingAgTechBiotechClimate TechSan Francisco, US

MHMaddie Hall(Founder)in

Co-investorsCOCongruent VenturesDADarco CapitalFLFloodgateHOHomebrewJUJuniperLOLOWERCARBON+9 more

Santa Barbara, US

Michael Wyrsta(Executive Officer, Director)

BoardKLK. Leonard Judson(Director)Zachary Komon(Director)

Co-investorsCYCycad Group LLC

Luna Innovations develops fiber optics, nanomaterials, and precision assembly solutions across multiple technical domains.

Advanced ManufacturingData & InfrastructureDeep TechHardwareNew Materials

Kevin Ilcisin(President and Chief Executive Officer)Will Denman(Senior Vice President, General Manager, Optical Communications Testing Business Unit)

Mainstream Engineering develops and manufactures thermal management, power systems, refrigerated containers, and specialty products for government, military, commercial, and industrial applications.

Advanced ManufacturingDeep TechDefense TechEnergyHardwareRockledge, US

Co-investorsLOLouisiana Funds

Michigan Aerospace Corporation (MAC) is an engineering and products company that develops sensing systems, intelligent systems, and software for space, air, and earth-bound applications.

Deep TechHardwareSpace Tech

Round Rock, US

Kevin Matocha(Executive Officer, Director)Sujit Banerjee(Executive Officer, Director)Kiran Chatty(Executive Officer, Director)

BoardChad Marak(Director)

Mori makes a silk protein-based protective coating that extends the shelf life of fresh and packaged foods.

Co-investorsACAcre Venture PartnersBLBlindspot Ventures Management CoBLBluestein VenturesCOCollaborative FundDNDns CapitalTHThe Engine Ventures+2 more

Co-investorsBABaruch Future Ventures

N5 Sensors builds wireless environmental detection systems combining its proprietary SPH chemical sensor arrays, cloud connectivity, and AI analytics to detect wildfires, air quality events, and chemical threats.

AI & Machine LearningHardwareIoTRockville, US

AMAbhishek Motayed(Founder (referenced))in

Co-investorsMAMaryland TEDCOTETEDCO

Nitricity produces plant-based fertilizer for agricultural use, focused on sustainable soil health for farmers and growers.

AgTechCleantechClimate TechFremont, US

Dr. Joshua McEnaney(President, CTO, Co-Founder)inDr. Jay Schwalbe(CSO, Co-Founder)NPNicolas Pinkowski(Founder)in

BoardSKShayle Kann(Director)inRSRajesh Swaminathan(Director)inTony Etnyre(Director)

Co-investorsALAlumni VenturesCOCongruent VenturesENEnergy Impact PartnersFIFine Structures VenturesKHKhosla VenturesLOLOWERCARBON+2 more

NoMIS Power develops Silicon Carbide power semiconductor devices and packaging for high-performance applications including AI data centers, EV fast charging, industrial motors, and defense systems.

Advanced ManufacturingDeep TechEnergyHardwareSemiconductorsAlbany, US

Dr. Adam J Morgan(Co-founder, CEO, & Technical Lead for Packaging Design)Dr. Woongje Sung(Co-Founder & Chief Technology Officer)Gehan Wanduragala(Co-founder, Chief Strategy & Commercial Officer)Dr. Anant Agarwal(Co-Founder & Chief Marketing Officer)Dr. Shahedipour-Sandvik(Co-Founder)

Noon Energy develops ultra-long-duration battery storage using a reversible solid oxide fuel cell and carbon-based storage media to deliver 100+ hours of clean, firm power.

CleantechClimate TechDeep TechEnergyPalo Alto, US

Mary Kalee Whitehouse(Executive Officer, Promoter)Chris Graves(Co-founder)Kalee Whitehouse(Co-founder)Richard M. Swanson(Director)

BoardADAmy Duffuor(Director)in

Co-investorsATAt One VenturesAZAzolla VenturesCLClean Energy VenturesPRPrime Impact FundTETechEnergy VenturesXPXplorer Capital+1 more

ORPC develops marine renewable energy technology and is collaborating on microgrid solutions with industry partners like Schneider Electric.

CleantechClimate TechEnergyHardware

Christopher R. Sauer(Co-founder, CEO and Board Chairman (retired 2020))John R. Cooper(Co-founder)Paul H. Wells(Co-founder)

OCOchem develops an electrochemical process that converts CO2 into formic acid (hydrogen formate) using only electricity and water, aiming to undercut the cost of the fossil-fuel-based version.

Advanced ManufacturingCleantechClimate TechNew MaterialsRichland, US

Todd T. Brix(CEO and Co-Founder)Arun S. Agarwal(Chief Technology Officer)Arthur Terry Brix(Executive Officer, Director)

BoardJPJoshua Phitoussi(Director)inA.T. "Terry" Brix(Chairman & Chief Strategy Advisor)

Co-investorsTOTO VC