Department of Energy — Full Portfolio
1,207 tracked investments · page 4 of 7 · listed companies and verified rows first
RoCo is a North American supplier of high-purity ionic liquids and molten salts for research, industrial, and commercial applications across energy storage, catalysis, electrochemistry, and advanced materials.
Circular EconomyCleantechDeep TechEnergyNew MaterialsPittsburgh, US
Hunaid Nulwala(Founder, Ph.D.)
LiteBrake Tech develops patent-pending steel-clad aluminum (SCA) brake rotors for passenger cars and heavier vehicles such as pickup trucks and police vehicles, using an aluminum heat sink and slotted steel cladding to reduce weight, improve heat dissipation, and lower brake pad wear.
Advanced ManufacturingHardwareMobility & TransportationHancock, US
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 Ink produces black pigments and inks made from discarded algae biomass as a replacement for petroleum-based carbon black.
Circular EconomyCleantechNew MaterialsBerthoud, Co, US
Scott Fulbright(President and CEO)inJacob Roodman(Chief Operating Officer)in
BoardPeter Bradley(Director)James Sapanski(Director)
Co-investorsEvergreen Climate InnovationsSavia Ventures
LongPath Technologies provides methane emissions monitoring and quantification networks for oil and gas operators, using advanced sensing to detect and measure emissions.
CleantechClimate TechEnergyBoulder, US
Gregory B. Rieker(Director, Promoter)inIan Dickinson(Executive Officer, Director)inJohn Bookout III(Director)R.C. Mercure(Director)James F. Adelson(Director)H. Robert Gill(Director)
Co-investorsBuff Gold Ventures
Loop CO2 develops polymers derived from CO2 and bio-based feedstocks, converting CO2 into functional polymer building blocks for products such as optical adhesives for AI data transmission, debonding-on-demand adhesives, non-leaching plasticizers, biodegradable chain extenders, and chemically recyclable polyurethanes.
Circular EconomyCleantechNew MaterialsMarlborough, US
Lucendi develops AI-enabled smart measurement platforms using computational microscopy and holographic imaging for micro-object detection and characterization across various industrial and scientific applications.
AI & Machine LearningDeep TechHardwareLos Angeles, US
Maxim Batalin(Executive Officer, Director)Aydogan Ozcan(Director)
BoardGilbert Hakim(Director)
Ludlum Measurements designs and manufactures radiation detection instruments used for personnel monitoring, environmental safety, border security, and emergency response.
Advanced ManufacturingDeep TechDefense TechHardwareSweetwater, US
Don Ludlum
VPI Technology is a multi-discipline engineering and product development firm specializing in custom electronic design, embedded systems, and hardware and firmware development.
Advanced ManufacturingDeep TechDeveloper ToolsHardwareDraper, US
Jeremy Williams(President / Managing Director)Paul Hepworth(Vice President of Engineering)Gary Olsen(Vice President of Business Development, Products)Jerry Scott(Vice President of Operations)Kurt Olsen(Vice President of Business Development, Services)
Luminous Cyber develops resilient timing infrastructure for mission-critical systems that maintains navigation and synchronization when GPS and external timing sources are unavailable.
Deep TechDefense TechEnterprise SoftwareHardware
Charles Barry(PhD)Marc Weiss(PhD)Richard LindquistGlenn Hitchcock
Luna Innovations develops fiber optics, nanomaterials, and precision assembly solutions across multiple technical domains.
Advanced ManufacturingData & InfrastructureDeep TechHardwareNew MaterialsRoanoke, US
Scott A. Graeff(Executive Officer, Director)inDavid Chanley(Director)Gary Spiegel(Director)George Gomez-Quintero(Executive Officer)Thomas Oldemeyer(Executive Officer)Brian J. Soller(Executive Officer)
Co-investorsPerot Jain
Lupine Materials & Technology (LMT) develops optical fiber sensing technology for high temperature superconducting (HTS) magnets, providing distributed strain and temperature sensing for applications such as magnetic fusion reactors and advanced motors and generators.
Deep TechEnergyNew Materials
Justin Schwartz(Chief Executive Officer)
Lygos uses genetically engineered microorganisms to produce industrial chemicals from sugar feedstocks, focusing on compounds where fermentation offers cost advantages compared to fossil fuel-based manufacturing.
Climate TechHealthtechSan Francisco, US
Eric Steen(CEO)inJeffrey A. Dietrich(Executive Officer, Director)inJay D. Keasling(Director)Jeffrey Dietrich(CTO)in
BoardLeonard Katz(Director)
Co-investorsFifty YearsFundersClubJude GomilaLG Technology VenturesY Combinator10x Founders+11 more
Maalka provides a platform for tracking and reporting progress toward sustainability targets across energy, water, and emissions consumption, serving organizations that need to monitor and improve their environmental performance.
Climate TechEnterprise SoftwarePropTechSaaS
Mach9 builds automated feature-extraction software for transportation, telecom, and construction industries, enabling rapid extraction and mapping of large-scale infrastructure projects.
AI & Machine LearningConstruction TechData & InfrastructureDeveloper ToolsEnterprise SoftwareRoboticsSan Francisco, US
Alexander Baikovitz(Founder)inHaowen Shi(Founder)inMichael Mong(Lead Hardware Engineer)Zachary Sussman(Lead Software Engineer)inJaime Suarez Marquez(Executive Officer, Director)Marian Salzman(Director)
Co-investorsFlexcap VenturesLocus VenturesSoma CapitalVermilion Cliffs VenturesWestway CapitalY Combinator+8 more
Machfu offers MachIO, LoRaWAN-enabled edge hardware that connects sensors in remote or harsh environments to an existing LoRaWAN network.
EnergyHardwareIoTRockville, US
Prakash Chakravarthi(Founder & CEO)inTim Winter(CTO)inVinod Mukkamala(VP of Applications and Protocols)inChinmay Shete(VP of Services & Platform)in
BoardAbhinav Jain(Director)inPradeep Kaul(Director)in
Co-investorsMaryland TEDCOTEDCOTexas HALO FundBlu Venture InvestorsTexas Ventures
MagiQ Technologies develops sensing, communications, and security systems—rooted in quantum science, high-speed electronics, and digital signal processing—for defense agencies, energy companies, wireless carriers, and critical infrastructure operators.
Deep TechDefense TechQuantum ComputingSomerville, US
Robert Gelfond(Executive Officer, Director)Audrius Berzanskis(Executive Officer)in
Maidana Research is a small business providing engineering design and scientific research services, including CAD/CAE/CAM, and basic and applied research in engineering and physical sciences.
Deep TechDefense TechSpace Tech
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
Makai Ocean Engineering provides ocean engineering and software services, including ocean-based renewable energy systems (OTEC, SWAC), submarine cable planning software, marine pipeline design, thermal management, and subsea AI/ML development.
Deep TechEnergyHardwareWaimanalo, US
Makel Engineering designs and manufactures chemical sensing systems for applications spanning aerospace, defense, industrial energy, environmental monitoring, and space exploration.
Deep TechDefense TechHardwareSpace TechChico, US
Mallinda develops VITRIMAX, a recyclable and reprocessable thermoset polymer (vitrimer) chemistry and prepregs that allow carbon, glass, and natural fiber composites to be remolded, repaired, and recycled with full recovery of resin and fiber.
Advanced ManufacturingCircular EconomyNew Materials
Management Sciences, Inc. develops defense and aerospace software products for secure communications, health monitoring, and condition-based maintenance on mobile and embedded systems.
AI & Machine LearningDeep TechDefense TechEnterprise SoftwareHardwareAlbuquerque, US
Kay Blemel(Founder)Marlene K. Blemel(Founder)
Maple Materials uses electrolysis to convert carbon dioxide into graphite and oxygen, producing battery-grade anode material at potentially lower cost than conventional graphite.
Advanced ManufacturingClimate TechSan Francisco, US
Drew Reid(CEO)inDavid Deak(Director)Kenneth Reid(Director)
BoardRayyan Islam(Director)in
Co-investorsY Combinator8090 Industries
Marel builds ultra-compact power-conversion building blocks — power modules and power stacks — that integrate semiconductor packaging and cooling to reduce the size, weight, and cost of high-power converters, inverters, and breakers.
EnergyHardwareSemiconductors
Amrit Vivekanand(Chief Executive Officer)inGarry Miller(Chief Operating Officer)inIan Byers(Chief Technology Officer)in
Co-investorsBacchus Venture CapitalEvergreen Climate InnovationsIcebook Investments Corp.Michigan Rise
Marine Situ manufactures specialized underwater hardware including stereo camera systems, LED lights, anti-biofouling UV systems, and integration hubs designed for long-term marine scientific deployments and species monitoring.
AgTechAI & Machine LearningCleantechDeep TechHardwareIoT
MarsCharge builds electric vehicle chargers designed to support grid resiliency and enable the expansion of decentralized charging infrastructure.
CleantechEnergyHardwareMobility & TransportationPalo Alto, US
Co-investorsX-HUB TOKYO Global Startup Accelerator
METSS Corporation is an applied R&D company that develops organic materials, chemical formulations, and engineering solutions for aggressive operating environments, with capabilities spanning synthesis, testing, and pilot-scale manufacturing.
Deep TechDefense TechNew Materials
MATSYS provides advanced materials development, processing, and handling services for defense, energy, and pharmaceutical industries through in-house capabilities in synthesis, prototyping, and manufacturing.
Advanced ManufacturingDefense TechNew Materials
MaxPower develops and manufactures special-purpose lithium-ion and other batteries, including primary, secondary, and reserve types, handling everything from R&D to mid-scale production.
Deep TechEnergyHardware
Dr. David Chua(Founder and President)Dr. Hsu-Ping Lin(Founder and Vice President)
Mechanical Solutions (MSI) is an engineering consulting firm that diagnoses and resolves vibration, dynamics, and performance problems in critical rotating machinery such as pumps, turbines, compressors, and induced draft fans.
Advanced ManufacturingEnergyHardwareWhippany, US
Melink is an energy efficiency and renewable energy company for commercial buildings, offering HVAC test and balance, demand control kitchen ventilation, solar, geothermal, and building health monitoring services and products.
CleantechClimate TechConstruction TechEnergyEnterprise SoftwareHardwareSaaSCincinnati, US
Steve Melink(Founder)
Membrion develops Electro-Ceramic Desalination (ECD) technology that treats complex industrial wastewater by continuously separating dissolved salts and metals, enabling water recovery and reuse without replacing existing infrastructure.
CleantechDeep TechNew MaterialsSeattle, US
Greg Newbloom(Founder & Chief Executive Officer)inThomas Mitchell(Executive Officer)inWayne Byrne(Executive Officer, Director)inJohn Plaza(Executive Officer, Director)inPhillip Pickett(Executive Officer, Director)
BoardNic Pannekeet(Director)in
Co-investorsE8 AngelsFREEFLOWLam CapitalPangaea Ventures Us Inc.PureTerra VenturesSafar Partners+3 more
memQ develops quantum networking technology that entangles matter qubits with light to connect multiple quantum systems, building an extensible quantum network architecture using integrated photonics and advanced materials.
Deep TechHardwareQuantum Computing
Sean Sullivan(Founder)in
Co-investorsEdenBaseExposition VenturesHyde Park Venture PartnersOcean Azul PartnersQuantonationTranspose Platform Management
Mesa Photonics develops spectroscopy and laser measurement instruments and systems based on ultrafast laser technology and optical gating techniques.
Advanced ManufacturingCleantechDeep TechHardwareNew MaterialsSemiconductorsSanta Fe, US
Daniel J. Kane(CEO & Founder)
Sanchez Engineering develops optical and sensor-based technologies, including PIQuE software for Windows that analyzes geotagged image collections to detect photogrammetry reconstruction issues and an Android app for calculating drone flight parameters such as height, field of view, and ground sample distance.
AI & Machine LearningDeep TechHardware
Sanchez(Founder, Optical Engineer, Drone Pilot)
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
Micro-Precision Technologies manufactures thick film substrates and electronic components for commercial, industrial, and military applications, with a focus on government products and sensor systems.
Advanced ManufacturingDefense TechHardwareSemiconductorsSalem, US
Microbeam Technologies provides fuel-quality analysis and advanced analytical solutions for the power generation and critical minerals industries.
CleantechDeep TechEnergyNew Materials
MicroBio Engineering develops wastewater treatment processes and monitoring systems using microalgae technology for nutrient removal.
BiotechCleantechDeep TechSan Luis Obispo, US
John Benemann, Ph.D(Chief Executive Officer)Shelley Blackwell, M.S.(Chief Operating Officer)Tryg Lundquist, Ph.D, PE(Chief Technology Officer)Dr. Juergen Polle(Chief Scientific Officer)
MicroContinuum offers precision micro- and nano-imprinting and patterning services using patented roll-to-roll and batch manufacturing technologies for applications in electronics, lighting, solar, energy, and healthcare.
Advanced ManufacturingDeep TechNew MaterialsSemiconductorsMassachusetts, US
Dr. W. Dennis Slafer(President & Chief Technology Officer)B. Diane Martin(Chief Operating Officer & Chief Legal Officer)
MicroEra Power develops THERMAplus, a thermal energy storage system that manages commercial building heating and cooling to reduce peak electrical loads and carbon emissions.
CleantechClimate TechEnergyEnterprise SoftwareRochester, US
Co-investorsQuake Capital
MicroSeismic develops passive seismic monitoring technology for real-time subsurface insights in oil and gas, geothermal, and carbon capture operations.
Climate TechData & InfrastructureDeep TechEnergy
Peter M. Duncan, Ph.D(Founder and CEO)Peter Duncan(Founder)in
Co-investorsAltira Group LLCChevron Technology VenturesTA Associates
Microvi is a biotechnology company that develops MicroNiche Engineering (MNE) biocatalyst systems for water and wastewater treatment, including nitrogen, nitrate, phosphorus, and hexavalent chromium removal, as well as industrial bioprocessing applications.
BiotechCleantechClimate TechHayward, US
Fatemeh Shirazi(CEO)inAli Dorri(Executive Officer)
BoardDr. Dirk Brusis(Director)C. Robert Kidder(Director)Hamid Rabie, Ph.D(Director)
Microwave Techniques designs, engineers, and manufactures high-power microwave and RF components, industrial microwave systems, and related solutions for heating, drying, tempering, and cooking applications.
Advanced ManufacturingDeep TechDefense TechHardwareNashua, US
MillenniTek is an advanced ceramic materials manufacturer providing safety-related components for the nuclear energy industry, including neutron absorbers, shielding materials, and composites.
Advanced ManufacturingDeep TechDefense TechEnergyNew MaterialsKnoxville, US
Steve GetleyDrew SpradlingMatthew Buchmeyer
MineraLogic provides geochemical expertise and strategy for the mining industry, focusing on environmental geochemistry, chemical thermodynamics, and hydrogeology to deliver client solutions.
CleantechClimate TechDeep TechDuluth, US
Minus 100 manufactures diamond abrasive slurries and lubricants for microelectronics and hard disk drive production, offering vertically integrated formulation services and co-development partnerships to optimize chemical performance and reduce manufacturing costs.
Advanced ManufacturingDeep TechNew MaterialsSemiconductors
Kevin C. Kerns(President)
Mission Power develops power electronics and inverter technologies for solar energy and grid applications, including SiC-based field-effect transistors, solid-state transformers, and solar inverters.
CleantechEnergyHardwarePotsdam, US
Russel Marvin(President)Matthew Honickman(Chief Engineer)
MLtwist provides a unified platform for preparing unstructured data for AI, handling ingestion, transformation, labeling, validation, and versioning across multiple data types.
AI & Machine LearningData & InfrastructureEnterprise Software
Co-investorsACADEMY INVESTORAIN VenturesInner Loop CapitalStage 2 CapitalHike Ventures
Molecular Rebar produces a proprietary material additive that enhances the durability and performance properties of rubber, elastomers, coatings, conductive inks, and composites used across industrial applications.
Advanced ManufacturingDeep TechNew MaterialsAustin, US
Molecular Vista builds nano-IR microscopes (the Vista series/VistaScope) using photo-induced force microscopy (PiFM) and photo-induced force IR spectroscopy (PiF-IR) for nanoscale chemical analysis.
Deep TechHardwareSemiconductorsSaratoga, US
Sung I. Park(Executive Officer, Director)in
Round Rock, US
Kevin Matocha(Executive Officer, Director)Sujit Banerjee(Executive Officer, Director)Kiran Chatty(Executive Officer, Director)
BoardChad Marak(Director)
Operant provides security and governance controls for agentic AI systems and Model Context Protocol workflows, enforcing per-action authorization, privacy controls, and audit-ready evidence at the network layer for regulated enterprises.
AI & Machine LearningCybersecurityEnterprise SoftwareRohnert Park, US
Shounok Sinha(Director)David Bass(Executive Officer, Director)Keith Rose(Executive Officer, Director)Rod Sugiyama(Executive Officer)Randall King(Executive Officer, Director)Robert MacDonald(Executive Officer)
Co-investorsConstellation Technology VenturesMSIVThin Line CapitalMarin Sonoma Impact Ventures
Co-investorsBaruch Future Ventures
MOVA develops air filtration and gas separation technology that captures harmful air pollutants and converts them into valuable resources for reuse or reintegration into supply chains.
AgTechCleantechClimate TechNew MaterialsPulaski, US
Steven Critchfield(Executive Officer, Director)inWilliam R. Seitz(Executive Officer, Director)John Schott(Executive Officer)
BoardAnn Norris(Director)Marty Muscatello(Director)Russell Ellis(Director)
MTR (Membrane Technology and Research) designs modular membrane systems for industrial gas separation, including monomer and hydrogen recovery, LPG recovery, syngas upgrading, and CO2 removal from natural gas.
Advanced ManufacturingCleantechNew MaterialsNewark, US
Richard Baker(Founder)in
Co-investorsClimate Investment
Multi3D LLC produces Electrifi, a conductive 3D printing filament designed for low-voltage electronics applications including LED circuits, sensors, and gaming controllers, as well as RF shielding and antenna components.
Advanced ManufacturingDeep TechHardwareNew Materials
Multiscale Systems is an engineering and manufacturing firm serving teams that develop demanding systems where materials, geometry, performance, and manufacturing constraints must be optimized together, particularly in extreme environments or with tight performance margins.
Advanced ManufacturingDeep TechHardwareNew MaterialsWorcester, US
BiotechCambridge, US
George Whitesides(Director)Peter Howe(Executive Officer)Brian Mayers(Executive Officer)in
BoardHerbert Winokur(Director)Myer Berlow(Director)
Nano-C develops and manufactures engineered nanostructured carbon materials for high-performance applications, including perovskite and thin-film solar, advanced semiconductor lithography, and EV batteries.
EnergyNew MaterialsSemiconductorsWestwood, US
Viktor R. Vejins(Executive Officer, Director)inPeter De Roetth(Director)Christopher Cheever(Director)inJohn Grover(Director)John F. Cogan, Jr.(Director)
BoardRaymond S. Stata(Director)
Co-investorsBoston Harbor AngelsFontinalis Partners
NanoAL develops high-performance aluminum alloys using nanostructured designs and advanced processing methods, serving industrial, aerospace, and defense markets.
Advanced ManufacturingCircular EconomyDeep TechNew MaterialsEvanston, US
Dr. Nhon Vo(Co-founder)Dr. David Dunand(Co-founder)Dr. David Seidman(Co-founder)
Nanohmics performs collaborative and client-funded research and advanced product development in applied materials science and instrumentation, building novel sensing devices and measurement platforms for applications such as surveillance, detection, and energy conversion.
CleantechDeep TechDefense TechEnterprise SoftwareHardwareNew MaterialsSemiconductors
Nanoionix develops EcoCer, a class of permanent, self-disinfecting ceramic materials and coatings that continuously inactivate bacteria, viruses, fungi, and algae without leaching into the environment.
CleantechDeep TechNew Materials
Larry Dubois(Founder)in
Co-investorsConnecticut Innovations
Nanomatronix provides microelectronics testing, nanotechnology services including carbon nanotubes and titanate nanofibers, and 3D printing services.
BiotechDeep TechDefense TechEnergyHardwareNew Materials
Matthew Leftwich(Chief Executive Officer (CEO), Engineering Director)
NanoVMs provides a unikernel platform designed for enterprises to run applications on their own servers with enhanced security, performance, and control compared to traditional cloud systems.
Cloud ComputingCybersecurityDeveloper ToolsEnterprise Software
Ian Eyberg(Founder)
Co-investorsBloomberg BetaInitialized Capital
Natel Energy develops FishSafe turbine runners for hydropower plants, available in Francis, Kaplan, and propeller configurations that retrofit into existing civil works to improve efficiency while enabling high through-turbine fish passage survival.
Advanced ManufacturingCleantechEnergyHardwareAlameda, US
Gia Schneider(Chief Commercial Officer, co-founder)inAbraham Schneider(Director)Abe Schneider(Chief Technology Officer, co-founder)in
BoardMichael Mars(Director)Ray Naizer(Director)
Co-investorsBreakthrough Energy VenturesJapan Energy CapitalSE Ventures
Navitas Systems manufactures advanced lithium-ion battery solutions for industrial, defense, and mission-critical applications.
Advanced ManufacturingCleantechDeep TechDefense TechEnergyHardware
NEI Corporation develops and manufactures cathode and anode powders, electrode sheets, and solid electrolyte materials for lithium-ion, sodium-ion, aqueous, and lithium primary battery systems.
Advanced ManufacturingCleantechDeep TechEnergyHardwareNew MaterialsPiscataway, US
Co-investorsStartX
NevadaNano develops multi-gas sensing products and continuous IoT monitoring systems built on its proprietary MPS sensor platform, along with the MethaneTrack automated emissions monitoring system and supporting SaaS.
CleantechHardwareIoTSparks, US
Ralph Whitten(Co-Founder & Executive Chair, Strategic Programs)inJesse Adams(Director)inBen(Co-Founder, Director of Engineering)inIan Rogoff(Chief Executive Officer & Board Member)inSteffen Pietzke(Chief Financial Officer)Adam McBrady(Vice President of Engineering)in
Co-investorsWestern Technology Investment
Nexceris develops custom catalysts and electrochemical materials for clean energy and advanced manufacturing applications, including sustainable aviation fuel pathways (Fischer-Tropsch, Methanol-to-Jet, Alcohol-to-Jet, and Power-to-Liquids).
CleantechEnergyNew Materials
NextGen Aeronautics designs, fabricates, and tests UAVs, wind tunnel models, and complete flight and underwater vehicles, along with multi-functional materials, sensing and control systems, and integrated antennas.
Defense TechHardwareNew Materials
Shiv Joshi(Co-Founder, Chief Scientist)John Flanagan(Co-Founder, Fabrication Manager)Jay Kudva(CEO)Scott Bland(CTO, Danville Site Manager)
An independent semiconductor services provider offering 3D and 2.5D design, advanced packaging, and back-end-of-line processing expertise.
Advanced ManufacturingDeep TechHardwareSemiconductorsBatavia, US
Bob Patti(3D Pioneer)
Nielson Scientific develops advanced 3D microfabrication technologies for semiconductors, metals, and other materials, serving customers in aerospace, solar, quantum computing, and medical device sectors.
Deep TechHardwareSemiconductors
Dr. Gregory Nielson(Founder)Brad Ferguson(Head of Manufacturing)inSusan Knudsen(Proposal Specialist Engineer, Compliance Strategist)inN.P. Jacobson(Head of Marketing and Operations)in
Nikira Labs develops compact, sensitive gas analyzers and scientific instruments used for environmental applications such as air quality measurement, greenhouse gas monitoring, and industrial fence line emissions monitoring.
CleantechClimate TechHardware
Nimbis Services provides a modeling, simulation, and analysis platform supporting the U.S.
Cloud ComputingDeep TechDefense TechSemiconductors
Brian Schott(Co-Founder and Chief Technology Officer)Robert Graybill(Chief Executive Officer)
NLM Photonics develops hybrid organic electro-optic modulation materials and devices that integrate into silicon photonics and other photonic integrated circuit platforms to improve modulation efficiency and reduce power consumption.
Deep TechHardwareNew MaterialsSemiconductorsSeattle, US
Gerard Zytnicki(Co-Founder & Corporate Advisor)inPaul Nye(Co-founder)inDelwin Elder(Co-founder)inLewis E. Johnson(Co-Founder & Chief Technology Officer)inBruce H. Robinson(Co-Founder & Technical Advisor)inBrad Booth(Chief Executive Officer & Board Director)in
Co-investorsEmerald Technology Ventures AgIdeashipOregon Venture FundPack VenturesStoryHouse
Nokomis develops ADEC, a non-invasive diagnostic system that detects counterfeit, defective, and maliciously modified electronic components and circuit boards by analyzing their unintended radio frequency emissions.
Advanced ManufacturingCybersecurityDeep TechDefense TechHardwareCharleroi, US
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)
Norwich Solar provides integrated renewable energy project development, financing, engineering, procurement, construction, and long-term asset management services.
CleantechConstruction TechEnergyNorwich, US
Joel Stettenheim(President)Jim Merriam(Chief Executive Officer)
NP Photonics designs and manufactures fiber-based photonics products, including narrow-linewidth single-frequency fiber lasers, high-power fiber lasers, multi-channel laser systems, fiber amplifiers, injection seeders, mid-infrared fiber sources, and ASE sources.
Advanced ManufacturingDeep TechDefense TechHardwareNew MaterialsTucson, US
Co-investorsResearch Corporation TechnologiesShepherd Ventures
Numat develops metal-organic frameworks (MOFs) and manufactures them at industrial scale through an integrated campus with ISO 9001:2015 certified quality management.
Advanced ManufacturingCleantechDeep TechNew MaterialsIllinois, US
Ben Hernandez(Founder and Chief Executive Officer)inDr. Omar Farha(Founder and Chief Scientific Officer)
BoardT. Jay Collins(Director)Bill Kroll(Director)Luka Erceg(Director)Jeff Klunzinger(Director)
Co-investorsGlobal BrainGOOSE CapitalRapha Capital Management, LLCTEL Venture Capital, Inc.Universal Materials Incubator
Nusenics develops fiber-optic sensor systems for use in harsh environments where conventional electronic sensors are limited by electromagnetic interference, extreme temperatures, radiation, or chemical exposure.
Deep TechEnergyHardwareIoTEast Lansing, US
Dr. Ming Han(Founder, Professor of Electrical and Computer Engineering at Michigan State University)
NWB Sensors builds high-accuracy environmental sensors for resource management, including infrared cloud imagers with thermal imaging and weather stations, and liquid-less snowpack monitoring systems (Snomonstor).
Climate TechHardwareIoT
Austin Beard(Co-founder)Paul Nugent(Co-founder)
Ocean Motion Technologies develops small-scale wave energy devices powered by artificial intelligence systems that can be installed on oceanographic platforms to support big data collection and monitoring at sea.
CleantechDefense TechEnergyIoT
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)
Oceanit develops a diversified portfolio of products across aerospace and defense, energy, life sciences, and sustainable engineering using fundamental science and deep technological knowledge.
AI & Machine LearningDeep TechDefense TechEnergyEnterprise SoftwareHonolulu, US
Patrick K. Sullivan(Co-founder and CEO)
OceanSpace develops the Aquatic Imager, a real-time plankton recognition and quantification system for monitoring aquatic organisms in industrial cooling water systems.
CleantechClimate TechDeep TechHardwareIoT
Kurt Kramer(PhD)
OLEDWorks develops and manufactures high-performance, multi-stack OLED (organic light-emitting diode) lighting panels, including segmented and bendable panels for automotive rear lighting under its Atala brand used by manufacturers such as Audi.
Advanced ManufacturingHardwareNew MaterialsRochester, US
David J. DeJoy(Executive Officer, Director)inJohn Hamer(CIO)inMichael L. Boroson(Executive Officer, Director)
BoardH. Edward Shill(Director)David Fox(Director)Daniel Hall(Director)
OLI develops simulation software and consulting services for the chemical industry to optimize water chemistry, predict mineral scaling and corrosion, and improve process design and operations.
Advanced ManufacturingAI & Machine LearningDeep TechEnterprise SoftwareSaaS
Marshall RafalSusanna Holt(Chief Technology Officer)Trevor MacMaster(Chief Commercial Officer)
Omega Optics develops integrated optical technologies and biosensing solutions, including silicon-based chips and printed photonics for sensing applications in chemical and biological detection.
BiotechDeep TechHardwareIoTNew MaterialsSemiconductorsAustin, US
Datma provides a federated data collaboration platform connecting health systems and labs with pharmaceutical companies for secure access to real-world clinical and molecular data.
BiotechData & InfrastructureDigital HealthHealthtech
Co-investorsTRANSFORMATION CAPITAL
One Cycle Control manufactures power converters and electrical control systems ranging from kilowatts to megawatts, serving applications in renewable energy, grid stabilization, EV charging, and electric aircraft.
Advanced ManufacturingCleantechDeep TechEnergyHardwareCalifornia, US
Greg Smedley(Founder & Dr.)Keyue Smedley(Founder & Dr.)
OnTo Technology develops direct battery recycling methods, including its patented Inertization and Cathode Healing processes, to recover and restore lithium-ion battery cathode materials at low cost and low carbon footprint.
Circular EconomyCleantechNew Materials
Dr. Steve Sloop(Owner & Founder)
Open Source Instruments manufactures implantable biotelemetry devices and monitoring equipment for small animal research, including transmitters, electrodes, sensors, and data acquisition systems.
BiotechDeep TechDeveloper ToolsHardwareMedical Devices
Kevan Hashemi(President)James BensingerMichael Bradshaw
Optelligent provides design and assembly engineering services for low-volume photonic and semiconductor modules, with capabilities in precision optical alignment and packaging.
Advanced ManufacturingDeep TechHardwareSouthern California, US
Dr. Scott(Founder)Mr. Gaudette(Founder)
Optical Engines designs and manufactures photonic and laser-based systems, including fiber combiners, mode adapters, and fiber amplifiers, serving customers across multiple industries.
Advanced ManufacturingDeep TechDefense TechHardware
Don Sipes(CEO)
OptiGrate manufactures volume Bragg gratings (VBGs) with high diffraction efficiencies and specialized optical components for industrial and government applications.
Advanced ManufacturingDeep TechHardwareNew MaterialsOrlando, US
OSI Optim develops custom optimization software and operations research services for enterprises, helping them solve complex operational challenges in supply chain management, production scheduling, and route planning.
Data & InfrastructureEnterprise SoftwareLogistics & Supply ChainSaaS
Optimax provides precision optical components and systems designed through traditional and advanced CNC machining, serving industries including aerospace and semiconductor with expertise in opto-mechanical assemblies and optical systems.
Advanced ManufacturingDeep TechDefense TechHardwareSpace TechOntario, US
Joseph Spilman(Chief Executive Officer (CEO))Peter Kupinski(President)Tom Starin(Chief Financial Officer (CFO))Mike Hyman(Chief Technology Officer (CTO))
Optimized Thermal Systems provides heat transfer and system integration expertise for air-conditioning, heat pumping, refrigeration, and energy conversion applications.
Advanced ManufacturingDeep TechDeveloper ToolsEnergyEnterprise SoftwareSaaS
OptiPro Systems designs and manufactures precision grinding, polishing, and metrology machines for the precision optics and advanced ceramics industries, and serves as a machine tool distributor and systems integrator for manufacturing companies in upstate New York.
Advanced ManufacturingHardwareRoboticsNew York, US
OKSI develops autonomous and intelligent systems using custom sensors, AI/ML, and computer vision to analyze data and provide actionable insights for defense and aerospace applications.
AI & Machine LearningDeep TechDefense TechHardwareLos Angeles, US
Optomec builds additive manufacturing systems, including 3D metal printers and 3D printed electronics equipment, for industrial production, repair, and prototyping.
Advanced ManufacturingDeep TechHardwareAlbuquerque, US
David Ramahi(Executive Officer, Director)inMichael Barry(Executive Officer, Director)
BoardJohn Crowe(Director)
Co-investorsGE Ventures
Optra manufactures edge computing devices with GPU and CPU capabilities designed for AI/ML vision tasks and automated visual inspection in retail and manufacturing settings.
AI & Machine LearningCloud ComputingEnterprise SoftwareHardwareIoT
Oscilla Power develops wave energy technology designed to capture ocean wave energy with a focus on reliability and survivability.
CleantechEnergyHardwareSeattle, US
Nair Balakrishnan(Executive Officer, Director)Rahul Shendure(Executive Officer, Director)in
BoardKristin Martinez(Director)in
Co-investorsE8 Angels
Osmoses develops a membrane technology for purifying and separating gas molecules, aimed at making industrial gas separation processes more energy-efficient.
CleantechClimate TechDeep TechNew MaterialsBoston, US
Francesco Benedetti(Co-Founder & CEO)inKatherine Mizrahi Rodriguez(Co-Founder & Chief Implementation Officer)inZachary P. Smith(Co-Founder / Associate Professor, MIT)
Co-investorsBlindspot Ventures Management CoCollaborative FundFine Structures VenturesMassVenturesNew Climate VenturesOrbia Ventures+1 more
Otherlab is an independent research and design lab that develops technologies in renewable energy, robotics, and manufacturing, incubating internal projects into spinout companies.
CleantechEnergyRobotics
Saul Griffith(Founder, Chief Scientist)James McBride(Co-founder, CTO)in
Co-investorsIn-Q-Tel
OxEon Energy manufactures industrial-scale solid oxide systems for clean fuel production and synthetic fuels generation.
Advanced ManufacturingCleantechEnergy
Co-investorsCadron Capital Partners
Pacific Microchip designs and manufactures custom semiconductor solutions, including analog, RF, and mixed-signal integrated circuits on advanced CMOS and SiGe process nodes for industrial and commercial applications.
Deep TechHardwareSemiconductorsLos Angeles, US
Packet Digital develops power systems and power management technologies for autonomous systems operating in air, sea, land, and space, including unmanned aircraft and solar products.
Deep TechDefense TechEnergyHardwareIoTRoboticsFargo, US
Terri Zimmerman(CEO)inAndrew Paulsen(CTO)inJeff Jonson(Director)Ronald Robson(Executive Officer)John, Dr. Cook(Director)Linda Pancratz(Director)
Co-investorsDakota Venture Group
Pajarito Powder manufactures advanced catalysts for PEM fuel cells and electrolyzers, including precious metal-containing catalysts, Engineered Catalyst Supports (ECS), and iridium oxide OER catalysts for PEM water electrolysis.
CleantechEnergyNew MaterialsAlbuquerque, US
Paul Short(Vice Chair, co-founder)inThomas J. Stephenson(Board Chair, co-founder)inChristian Mohrdieck(CEO)inSukhwan Yun(Director)Barr Zulevi(Executive Officer)
Co-investorsVerge FundSaba InvestmentsKIA
Palladias develops specialized extraction and sequestration materials, including resins for lithium extraction, iodine sorbents, and expertise in radiopharmaceutical isotope applications.
Circular EconomyCleantechDeep TechDefense TechNew Materials
Ben Warner(President)
Pancopia develops systems to recover water and nutrients from animal agriculture operations, helping farms improve performance and reduce environmental losses while generating economic returns.
AgTechCircular EconomyCleantechClimate TechImpact & Social Good
Bill Cumbie(CEO)
Chicago, US
Matthew Shaxted(Executive Officer, Director)inMichael Wilde(Executive Officer, Director)Michela Wilde(Executive Officer, Director)
ParaTools develops performance engineering and profiling tools for high-performance computing (HPC) and AI/ML applications, enabling developers to analyze and optimize parallel software across diverse computing platforms.
AI & Machine LearningCloud ComputingDeep TechDeveloper Tools
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
MacConnell Research CorporationMATERIALS SCIENCES LLCMaterials Technologies CorporationMETASTABLE INSTRUMENTS, INCMMR Technologies, Inc.New England Research Institutes, Inc.ORBITAL RESEARCH INC
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.





























































































































