Department of Energy — Full Portfolio
1,204 tracked investments · page 1 of 7 · listed companies and verified rows first
Blue Biofuels develops biofuel technologies and solutions, with expertise spanning process scale-up, engineering, and commercialization.
AgTechBiotechCleantechEnergyPalm Beach Gardens, US
Anthony Santelli II(Executive Officer, Director)Benjamin Slager(CEO / Chairman)Daniel De Liege(Executive Officer, Director)David Matthews(Executive Officer, Director)Anthony Santelli(CFO / Board Member)
BoardChris Kneppers(Director)
Infleqtion builds neutral-atom quantum computers, precision quantum sensors, and related software, and works on integrated photonics to scale quantum systems.
Deep TechHardwareQuantum ComputingLouisville, US
Dana Anderson(Founder)Pranav Gokhale(Chief Technology Officer)inPaul Lipman(Chief Revenue Officer)inJason D. Hall(Chief Legal Officer)Ilan Hart(Chief Financial Officer)inMatthew J. Kinsella(Chief Executive Officer)
Co-investorsBreakthrough VictoriaCaruso VenturesForma PrimeGlynn Capital ManagementIn-Q-TelS Ventures+5 more
nLIGHT designs and manufactures high-power semiconductor lasers for defense systems, directed energy applications, and advanced manufacturing.
Deep TechDefense TechHardwareVancouver, US
Scott H. Keeney(Executive Officer, Director)Scott Keeney(Founder)inJake Bell(Executive Officer)David Schaezler(Executive Officer)Rob Martinsen(Executive Officer)Joseph DeBartolo(Executive Officer)
Co-investorsMenlo VenturesMultiplier CapitalOak Investment Partners
Solid Power develops all-solid-state battery technology for automotive applications.
EnergyHardwareNew MaterialsLouisville, US
Douglas Campbell(Executive Officer, Director)inAlexandra Gold(Executive Officer)inBrandon Kelly(Executive Officer)inSteve Furhman(Executive Officer)Joshua Buettner-Garrett(Executive Officer)David Jansen(Executive Officer, Director)
Co-investorsBMW i VenturesSnatched Ventures
6K uses microwave plasma technology (Unimelt) to produce engineered materials, including battery cathode materials and metal powders for additive manufacturing, with an emphasis on sustainable processes.
Advanced ManufacturingCleantechEnergyNew Materials
Co-investorsEnergy Impact PartnersHG VenturesIn-Q-TelMaterial Impact
AAPlasma is an engineering company that researches and develops advanced oxidation processes using non-equilibrium "cold" plasma, UV, and high-voltage electronics, and partners with industry clients to integrate these systems for applications like air cleaning, water treatment, disinfection, and food safety.
CleantechDeep TechNew MaterialsPhiladelphia, US
Greg Fridman(Co-founder)Charles Bailey(Co-founder)
Acadian R&D develops advanced carbon materials, converting waste-derived biochar from domestically sourced renewable feedstocks into lower-cost graphene oxide replacement products.
CleantechDeep TechNew Materials
AccuStrata builds custom fiber-optic-based optical spectroscopy and metrology instruments combined with deep learning, process modeling and predictive control to monitor and optimize thin-film deposition and etching processes.
Advanced ManufacturingDeep TechHardware
Acellent Technologies develops Structural Health Monitoring (SHM) systems combining proprietary SMART Layer sensors, data-acquisition hardware, and diagnostic software with algorithms that detect damage, assess severity, and predict remaining usable life of structures.
Deep TechHardwareIoT
Advanced Composites (ACF) develops metal carbide/carbon core fibers, branded "Fi-Bar," produced through a patented one-step process that grows a nano-conversion layer of metal carbide onto individual carbon fiber filaments.
Advanced ManufacturingDeep TechNew Materials
Acree provides custom thin-film PVD (Physical Vapor Deposition) and PECVD coating services, developing and depositing coatings such as biomedical, wear-resistant, corrosion-resistant, DLC, and transparent conductive oxide films.
Advanced ManufacturingDeep TechNew Materials
Adelphi Technology manufactures neutron generator products, including deuterium-tritium, deuterium-deuterium, and thermal (moderated) neutron sources with yields ranging from 10^7 to over 10^10 neutrons per second.
Advanced ManufacturingDeep TechHardware
Adherent Technologies develops advanced materials technologies and production processes, including carbon fiber finishes, composite repair primers, nanomaterial surface treatments, powder towpregs, composite recycling methods, and specialty foams.
Deep TechDefense TechNew Materials
AdValue Photonics designs and manufactures fiber lasers, fiber amplifiers, broadband fiber sources, and fiber-based components across the 515 nm, 1 µm, 1.55 µm, and 2 µm wavelength ranges.
Advanced ManufacturingDeep TechHardware
Advanced Ceramics Manufacturing produces water soluble mandrels, tooling, composite parts, and ceramic components for aerospace, defense, racing, research, and university applications.
Advanced ManufacturingDefense TechNew MaterialsTucson, US
Advanced Cooling Technologies (ACT) develops, engineers, and manufactures thermal management products and provides related services including product development, manufacturing, and post-delivery support such as spare parts, repairs, and field servicing.
Advanced ManufacturingDeep TechHardware
Advanced hCMOS Systems designs custom ultrafast image sensors and integrated circuits (ASICs), such as the Icarus imaging sensor, for scientists and engineers measuring ultrafast phenomena.
Deep TechHardwareSemiconductors
Marcos Sanchez(Cofounder)Liam Claus(Cofounder)
Advanced Ionics develops electrolyzer technology for producing green hydrogen, using its Symbiotic water vapor electrolysis that operates at intermediate temperatures and taps into existing industrial steam to lower electricity and capital costs.
CleantechClimate TechEnergyMilwaukee, US
Chad W. Mason(President and CEO)William Murray(Vice President)
BoardJohn Bobrowich(Director)in
Co-investorsAster CapitalClean Energy VentureGVP ClimateJERASWAN Impact NetworkClean Energy Ventures
ALT LLC engineers materials, structures, and on-device AI for robots, prosthetics, drones, and autonomous systems, combining synthetic tissues, high-strength composites, additive manufacturing, and edge machine learning.
AI & Machine LearningNew MaterialsRoboticsSanta Barbara, US
Advance MNM designs, prototypes, and manufactures advanced materials aimed at reducing weight while improving safety and efficiency for demanding applications.
Advanced ManufacturingDeep TechNew Materials
Advanced Optical Technologies (AOT) provides material characterization services and sensor technologies, including crystallographic non-destructive testing, orientation imaging, grain-boundary and microtexture analysis, and quality control.
Deep TechHardwareNew Materials
Advanced Energy Materials develops catalysts and adsorbents for petroleum refining, including hydrodesulfurization catalysts, catalytic adsorbents for ultra-deep desulfurization, desulfurizers for low-hydrogen applications, and fuel upgrading catalysts.
CleantechEnergyNew Materials
Co-investorsKeyhorse Capital
Advent Diamond designs and manufactures all-diamond semiconductor components, including discrete and integrated devices, using precision-doped diamond films and proprietary low-resistance ohmic contacts.
Deep TechHardwareSemiconductors
Aegis Technology Inc. conducts research, engineering, and manufacturing of high-technology materials, components, and systems, including joining technology, nanotechnology composites, thermal management, and power modules.
Advanced ManufacturingDeep TechNew Materials
Aeroprobe produces air data and flow measurement systems, including multi-hole probes, pitot-static probes, micro air data computers, and analysis software, for the aerospace, automotive, turbomachinery, and energy industries.
Nanci Hardwick(CEO)
AeroShield is a materials science company that developed an ultra-clear silica aerogel, originating from research at MIT, aimed at improving the energy efficiency of buildings.
Advanced ManufacturingCleantechEnergyNew MaterialsCambridge, US
Elise Strobach(CEO)inKyle Wilke(Director)inDr. Elise Strobach(CEO)
BoardSusan Stewart(Director)Brandon Tinianov(Director)inStephen Venuto(Director)
Co-investorsClean Energy VentureMassMutual VenturesMassVenturesSBXi
Aerosol Devices builds instruments that collect, count, and size-classify airborne particles from 5 nanometers to 10 microns, including gentle capture of viruses, bacteria, and microbes while preserving viability and DNA/RNA.
BiotechDeep TechHardware
Agnitron Technology designs and manufactures MOCVD equipment, control software, and in-situ monitoring tools for growing wide-bandgap and ultra-wide-bandgap semiconductor materials such as gallium oxide and AlGaO alloys.
Deep TechHardwareSemiconductorsChanhassen, US
Air Dynamics designs and manufactures custom industrial air and particle control systems—including dust collection, pneumatic conveying, air purification, central vacuum, and explosion protection—to solve airflow and contaminant challenges at their root cause.
Advanced ManufacturingCleantechHardwareYork, US
BiotechFredrick, US
Charles Daitch(Executive Officer, Director)Jon Davis(Executive Officer)George Rudy(Executive Officer)Jennifer Reynolds(Executive Officer)Darrell Chandler(Executive Officer)
BoardTom McMahon(Director)
Alchemr develops industrial-scale water electrolyzers that operate with intermittent power sources and do not rely on precious metals, aiming to produce low-cost green hydrogen.
CleantechClimate TechEnergy
Algenesis develops plant-based, biodegradable polyurethanes intended to replace petroleum-based materials across manufacturing applications.
Circular EconomyCleantechNew Materials
Co-investorsBand of AngelsSwan Venture Fund
Alitheon's FeaturePrint is an optical-AI technology that identifies and authenticates individual physical items by analyzing their inherent surface features without requiring labels, barcodes, or tags.
AI & Machine LearningBellevue, US
David Ross(Executive Officer, Director)Roei Ganzarski(Executive Officer, Director)Roei G.inScot Land(Executive Officer, Director, Promoter)
BoardMarcus Behrendt(Director)inRoss Collins(Director)
Co-investorsBMW i VenturesEmerald Technology Ventures AgIPD CapitalShasta Ventures
ALL Power Labs designs and manufactures biomass gasification systems and containerized energy solutions that convert forestry and agricultural waste into power, heat, and biochar for communities and rural areas.
Circular EconomyCleantechClimate TechEnergyHardwareBerkeley, US
Jim Mason(Gasification expert)James Matthew Mason(Executive Officer, Director)Bear Kaufmann(Executive Officer)Alejandro Abalos(Executive Officer)
BoardTom Dinwoodie(Solar innovator)Dan Kammen(Director)
AlphaSTAR develops Integrated Computational Materials Engineering (ICME) simulation software that creates digital twins for advanced material modeling, additive manufacturing build simulation, and virtual testing, including a plug-in for Stratasys GrabCAD Print Pro.
Advanced ManufacturingDeep TechSaaSIrvine, US
AltaRock Energy (ARE) develops drilling technology for super-hot rock (SHR) geothermal energy, aiming to make geothermal power viable in more locations.
CleantechDeep TechEnergySeattle, US
Susan Petty(Executive Officer, Director)in
BoardSamir Kaul(Director)Joe Lacob(Director)Donald O'Shei(Director)
AltiSora develops specialty materials technology, including high-performance coatings ("Cimentaire") that reuse recycled wind turbine blade waste, integrally waterproof foamed concrete additives, and waterproofing gels.
Circular EconomyConstruction TechNew Materials
American Lithium Energy (ALE) develops and manufactures lithium-ion battery cells, including high-energy-density silicon anode cells and safety technologies like ZeroVolt and SafeCore+, aimed at defense, aerospace, AI, and electrification applications.
Advanced ManufacturingEnergyHardwareSan Diego, US
Amphys Tech develops applications of Gas Cluster Ion Beam (GCIB) and Accelerated Neutral Atom Beam (ANAB) technologies for atomic-scale smoothing, cleaning, and polishing of planar and non-planar surfaces.
Deep TechHardwareNew Materials
American Semiconductor develops and manufactures ultra-thin chip technology, including its Semiconductor-on-Polymer (SoP) wafer level chip scale packaging for thin-device applications such as chip-on-flex and multi-chip packaging.
Advanced ManufacturingDeep TechHardwareSemiconductorsBoise, US
Lorelli Dana Hackler(CFO/Secretary/Treasurer)Douglas Ray Hackler(Chairman/President/CEO)Tim L Haney(Director)Thomas P Jensen(Director)Kelly A Fuller(Director)
Amethyst Research develops infrared detector and emitter technologies, offering materials growth, device prototyping, and testing for government agencies, national labs, universities, and prime contractors.
Deep TechDefense TechHardware
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)Sumin Zhu(Executive Officer, Director)Inwan Sohn(Director)Alan Zhan-Sheng Lin(Director)
Anactisis develops solvent-free separation technology to recover critical minerals such as scandium, gallium, and germanium from industrial waste streams including titanium dioxide acid leachates, coal combustion residuals, bauxite residues, and mining tailings.
CleantechDeep TechNew Materials
AMS provides test equipment, training, and services to verify the performance of instrumentation and control (I&C) systems in nuclear facilities, checking the accuracy and response times of systems that trigger plant shutdowns when safety-related process variables exceed safe limits.
Advanced ManufacturingEnergyHardware
AMA provides engineering, science, and business problem-solving services to government and commercial organizations.
Deep TechDefense TechSpace Tech
Antares Group (operating as Stark Tech) provides clean energy consulting and owner's engineering services for solar projects, covering site development, land acquisition, interconnection, design, and feasibility analysis.
CleantechClimate TechEnergy
Anthro Energy develops advanced electrolytes and high-performance battery cells to improve energy density, safety, and form factor in battery technology.
Deep TechEnergyHardwareNew MaterialsSan Jose, US
David Mackanic(Co-Founder & CEO)inJoe Papp(Co-Founder & CTO)
Co-investorsAmino CapitalCollaborative FundDorm RoomUnion Square Ventures (USV)Voyager PartnersEnergy Revolution Ventures+2 more
Applied Engineering Concepts, Incorporated is an engineering services company providing wireless communications and signals processing solutions to the U.S.
Deep TechDefense TechHardware
Jeff Clements(Founder & President)
Brooklyn, US
John Levy(Director)William Gleeson(Executive Officer)Christopher Carney(Executive Officer)Mario Concha(Director)Andre Zeitoun(Executive Officer, Director)Robert Betz(Director)
Applied Nanotech develops nano-materials and processes—including printable conductive metallic inks, high-fidelity solders, and water-based graphene carbon stripper foils—for OEM and government customers in microelectronics manufacturing, defense, quantum computing, high-energy physics, and nuclear energy.
Deep TechNew MaterialsSemiconductorsAustin, US
Applied Spectra, Inc.
Advanced ManufacturingCleantechDeep TechHardwareWest Sacramento, US
Richard E Russo(Executive Officer)Richard E. Russo(Founder)Jong Yoo(Executive Officer)
ATC is a minority-owned company providing materials engineering services for the power generation and energy industries, including wear- and corrosion-resistant coatings (thermal spray, diffusion chromizing), heat treatment of advanced pressure-part alloys, and metallurgical lab testing.
Advanced ManufacturingEnergyNew Materials
Mr. Grant(Owner/Operator)
ATFI (Applied Thin Films, Inc.) develops high-temperature ceramic materials, composites, and surface-engineered coatings based on its Cerablak technology, including ultra-thin glassy films, high-temperature sealants, and oxide-oxide ceramic matrix composites.
CleantechDeep TechNew Materials
AquaNRG develops screening, diagnostic, and predictive models for subsurface geoenergy and environmental applications, combining geochemistry, microbiology, and physics with AI and cloud high-performance computing.
AI & Machine LearningClimate TechEnergy
Arbor develops advanced lithium-ion battery technology offering sub-10-minute charging, higher energy density, and improved cold-temperature performance, designed to integrate into existing manufacturing lines.
CleantechEnergyNew Materials
ARES Security offers an enterprise security software platform with a set of tools, including its AVERT solutions, aimed at improving operations, security, and safety for organizations across multiple industries.
CybersecurityEnterprise SoftwareSaaS
Areté develops technology and engineering solutions with a focus on defense applications, including counter-drone systems and missile defense.
Deep TechDefense Tech
Boulder, US
Christoph Keplinger(Director)Eric Acome(Executive Officer, Director)Timothy Morrissey(Executive Officer, Director)
Arzeda designs proteins and metabolic pathways using computational tools, including its Archytas protein design software and Scylax metabolic pathway design software.
AI & Machine LearningBiotechDeep TechFoodTechNew MaterialsSeattle, US
Alexandre Zanghellini(Co-Founder & Chief Executive Officer)inEric Althoff(Executive Officer, Director, Promoter)David BakerBill Baum(Director)inAndrew Ban(Executive Officer)Daniela Grabs(Executive Officer)
Co-investorsCirculate CapitalSofinnova PartnersSustainable Conversion VenturesFall Line CapitalOS FundUniversal Materials Incubator
Ashwin-Ushas develops advanced materials and devices including IR-electrochromic variable-emittance skins for spacecraft thermal control and dynamic camouflage, wide-temperature ionic-liquid Li-ion batteries, electrochemical sensors for chemical agents and hazardous compounds, microwave-based medical waste remediation, and electrochromic eyewear.
Deep TechNew MaterialsSpace Tech
Architecture Technology Corporation develops modeling tools for optimizing air transport efficiency and assessing the impact of incidents such as air traffic control disruptions, and offers CYRIN, a browser-based cybersecurity training platform that uses real tools against real threats.
CybersecurityDefense TechEdTech
Building scalable quantum computers with reduced complexity and cost to reach error correction at scale.
Cambridge, US
Bharath Kannan(Executive Officer)Simon Gustavsson(Director)
Co-investorsBlindspot Ventures Management CoChalmers Ventures ABMassVenturesNeotribe VenturesThe E14 FundThe Engine Ventures+1 more
Kipp & Zonen manufactures precision pyranometers for measuring solar irradiance in photovoltaic system monitoring, meteorological networks, and climate research.
CleantechClimate TechEnergyHardware
Co-investorsCentral Texas Angel Network
Automat Solutions manufactures battery electrolytes and operates an AI-robotic platform for accelerating battery material discovery and optimization.
Advanced ManufacturingAI & Machine LearningDeep TechEnergyNew MaterialsSan Leandro, US
Patrick Poon(Co Founder)
Co-investorsTSVC
Berkeley, US
Bruce Wootton(Executive Officer, Director)Francesco Borrelli(Executive Officer)Santosh Alexander(Executive Officer, Director)
Ayar Labs develops co-packaged optics (CPO) technology for AI infrastructure, enabling optical connectivity between thousands of GPUs across data center racks.
AI & Machine LearningDeep TechHardwareSemiconductorsSan Jose, US
Co-investorsNVIDIAAlumni VenturesBasecamp FundBerkeley FrontierBlue Bear VenturesCastor Ventures (an Alumni Ventures Fund)+17 more
BST Systems designs, develops and manufactures precision-engineered critical components for power systems, including high-energy cells, batteries and support electronics for applications ranging from deep-sea to space.
Advanced ManufacturingEnergyHardware
Barber-Nichols designs and manufactures specialized turbomachinery, including electric motor-driven mixed flow and centrifugal pumps in mechanically sealed, hermetic (canned motor or magnetic coupled), and submersible configurations.
Advanced ManufacturingDeep TechHardwareArvada, US
BEM Controls is a software-only company offering WiseBldg, a building automation platform that lets building managers monitor and control HVAC, lighting, plug loads, solar/PV, and security devices from vendors like Google Nest, Belkin WeMo, and Philips Hue, and WiseGrid, an open-architecture grid management platform for utilities supporting transactive energy, demand response, and peer-to-peer energy trading.
CleantechEnergyIoT
BladeRunner Energy develops hydrokinetic renewable energy technology, including components and systems for clean electricity generation from water resources.
CleantechClimate TechEnergyHardware
Moriel Arango(Co-Founder, CEO and CTO)Matt Ross(Co-Founder and COO)
Bluestem Biosciences uses an industrial fermentation process with an engineered yeast strain to convert American corn into 3-hydroxypropionic acid (3-HP) and other platform chemicals, offering a domestic alternative to petroleum-based production.
BiotechCleantechNew MaterialsOmaha, US
Cameron RylanceinWilliam Hagstrom(Executive Officer, Director)
Co-investorsInvest NebraskaZero Infinity Partners
BNNT Materials produces boron nitride nanotubes (BNNTs) in various as-grown and refined forms for nanotechnology research and development applications.
Advanced ManufacturingDeep TechHardwareNew MaterialsNewport News, US
Thomas W. Henneberg(Executive Officer, Director)Kevin C. Jordan(Executive Officer, Director)Michael W. Smith(Executive Officer, Director)R. Roy Whitney(Executive Officer, Director)
BoardJerrold L. Miller(Director)John R. Lawson II(Director)
Boston Metal develops Molten Oxide Electrolysis (MOE), an electrified process for producing steel and other metals from a range of oxide feedstocks without direct emissions.
Advanced ManufacturingCleantechClimate TechNew MaterialsWoburn, US
Donald Sadoway(Co-founder (MIT professor))Antoine Allanore(Co-founder (MIT professor))Tadeu Carneiro(CEO)in
Co-investorsBreakthrough Energy VenturesClimate InvestmentPrelude VenturesInternational Finance CorporationBMW i VenturesEnergy Impact Partners+8 more
Brayton Energy is an R&D firm that designs, prototypes, and tests turbomachinery, gas turbine systems, heat exchangers, and combustion systems for sustainable energy production.
CleantechEnergyHardware
Brechtel designs aerosol measurement instruments and software used to support research on climate change, air quality, and cloud sampling.
Climate TechDeep TechHardwareFremont, US
Fred Brechtel
EnergyBroomfield, US
Suryakala Majeti(Executive Officer, Director)Robert Erickson(Executive Officer, Director)Roger Bell(Executive Officer, Director)
Bridger Photonics develops Gas Mapping LiDAR technology and analytics to detect and measure methane emissions from oil and gas operations, helping operators reduce emissions, cut costs, and meet regulatory requirements.
Climate TechDeep TechEnergyBozeman, US
Pete Roos(Co-founder, Chief Innovation Officer)
Co-investorsNext Frontier Capital
Brimrose designs and manufactures Acousto-Optic Tunable Filter (AOTF) components, NIR spectrometers, and hyperspectral imagers, offering custom optical solutions.
Deep TechHardwareSpace Tech
Brimrose Technology Corporation conducts R&D—largely under U.S. federal contracts—to develop photonic instruments, spectrometers, radiation detectors, and chemical/biological detection sensors for defense, space, agricultural, and medical applications.
Deep TechDefense TechSpace Tech
Brookhaven Technology Group develops, patents and manufactures high-temperature superconductor (HTS) technologies, including single-layer coated conductor HTS wire and multilayer ExoCable cables, cryogenic current drive systems for conduction cooled magnets, and YBCO waveguides.
Deep TechHardwareNew Materials
Vyacheslav Solovyov
Burch Energy provides energy efficiency services including energy engineering, HVAC control design and build, and equitable utility program delivery for building owners and low-income communities.
CleantechClimate TechEnergyPortland, US
Brian Allbritton(Executive Director)
MMT develops nondestructive testing instrumentation to measure mechanical properties of oil and gas pipelines without service interruption, using patented frictional sliding technology and AI modeling.
AI & Machine LearningDeep TechEnergyHardware
Co-investorsHouston Angel Network
C-Crete Technologies is a materials science company that makes cement-free, ultra-low or negative carbon concrete using natural rocks and industrial by-products as an alternative to Portland cement.
Climate TechConstruction TechNew Materials
Cactus Materials develops and manufactures semiconductor materials and devices, with expertise across silicon, SiC, and GaAs as well as photonics and RF power applications.
HardwareNew MaterialsSemiconductorsTempe, US
Rafi Islam(Founder, Chief Executive Officer)Eric Sherb(Chief Financial Officer (CFO))Mohammed Rafiqul Islam(Executive Officer)
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.









