Fundraising FoxDepartment of Energy — 2018 Investments
113 investments dated 2018 · listed companies and verified rows first · show all
Aerosol Devices manufactures aerosol particle sampling devices using condensation growth tube technology for bioaerosol and chemical particle collection across the 5 nanometer to 10 micron size range.
BiotechDeep TechHardwareHealthtechFort Collins, US
Dr. Susanne HeringPat KeadyDr. Ping Chen(President)
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)
Amphys Tech manufactures atomically smooth surfaces designed as substrates for advanced x-ray and neutron supermirrors, primarily serving research institutions and scientific facilities.
AI & Machine LearningDeep TechHardwareNew Materials
David Swenson(Founder and CEO)
Anactisis develops solvent-free separation systems to extract critical materials like titanium, rare elements, and other valuable resources from industrial waste streams and by-products.
Circular EconomyCleantechDeep TechNew Materials
Apogee Semiconductors manufactures radiation-hardened semiconductor components including flip-flops, latches, and shift registers designed for space and defense systems.
Defense TechSemiconductorsSpace TechPlano, US
Mark Hamlyn(Co-founder & General Manager Product Line)
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
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
BNNT Materials produces boron nitride nanotubes (also called white graphene nanotubes), strong and flexible nanoscale ceramic fibers for industrial applications.
Advanced ManufacturingDeep TechHardwareNew MaterialsNewport News, US
Tom Henneberg(Chief Executive Officer)inKevin C. Jordan(Chief Engineer)Michael W. Smith(Chief Scientist)R. Roy Whitney(President)
BoardJerrold L. Miller(Director)John R. Lawson II(Director)
ClearSign develops burner designs that reduce nitrogen oxide and carbon monoxide emissions in chemical manufacturing processes while preserving operational efficiency in existing equipment.
Advanced ManufacturingCleantechEnergyHardwareTulsa, US
Jim Deller Ph.D.(CEO)Dr. Jim Deller(Chief Technology Officer)
COnovate develops eCOphite, a carbon-based nanomaterial used as a drop-in anode material for lithium-ion batteries, aiming to improve charging speed, capacity, cold-weather performance, and safety.
CleantechEnergyNew MaterialsWauwatosa, US
Carol Hirschmugl(Executive Officer, Director)inJeff Moore(Executive Officer)in
BoardKiyomi Monro(Director)Craig Rigby(Chief Executive Officer)
Co-investorsTundra Angels
Cuberg manufactures high-performance lithium-metal battery systems for mobility applications including aircraft, hypercars, autonomous drones, and motorsports vehicles.
CleantechEnergyHardwareMobility & TransportationSilicon Valley, US
Direct Electron manufactures direct detector cameras for electron microscopy applications, including single-particle cryo-EM, in situ transmission electron microscopy (TEM), and low-energy electron microscopy.
BiotechDeep TechHardwareMedical DevicesSemiconductors
Electroninks develops and manufactures metal complex inks for semiconductor packaging, consumer electronics, and medical device manufacturing, offering improved conductivity and sustainability compared to traditional metallized inks.
Advanced ManufacturingHardwareNew MaterialsSemiconductorsAustin, US
Co-investorsBandgap VenturesIn-Q-TelM Ventures
Factual VR builds HyperTunnel, a mixed reality workflow platform that creates a synchronized 3D digital twin of a worksite so remote experts and frontline teams can collaborate synchronously and asynchronously across physical and digital spaces.
AI & Machine LearningDeep TechEnterprise Software
Fend manufactures hardware-based data diodes that enforce one-directional data flow to secure critical infrastructure networks against cyber threats.
CybersecurityHardwareIoT
Co-investorsLavrock Ventures
FGC Plasma develops hypersonic and air-breathing propulsion technology, including scramjets aimed at reaching Mach 5 and beyond, for hypersonic and commercial flight vehicles.
Deep TechDefense TechHardware
Finsterle GeoConsulting provides numerical modeling and simulation services for hydrogeological systems, applied to geothermal reservoir engineering, nuclear waste isolation, geologic carbon sequestration, water resources management, and environmental remediation.
Climate TechDeep TechEnergy
GARD Analytics provides research and development services in energy, environmental, and economic analysis for residential, commercial, and industrial buildings to institutional, governmental, and corporate clients in the energy and environmental sectors.
CleantechClimate TechEnergyEnterprise SoftwareChicago, US
Jason Glazer
Pasadena, US
Jiaju Ma(Executive Officer, Director)Saleh Masoodian(Executive Officer, Director)inEric R Fossum(Founder)Barmak Masoodian(Director)Susan Fossum(Director)
Global FIA designs and manufactures laboratory automation systems, instruments, and components for flow injection analysis and sequential injection analysis, serving research institutions and academia globally.
Advanced ManufacturingDeep TechFox Island, US
Don Olson(Founder)
Goldfinch Sensor Technologies and Analytics develops sensor technology and analytics solutions, with a portfolio that includes applications in monitoring and data collection systems.
AI & Machine LearningDeep TechHardwareIoT
Mark Roberson(Founder and CEO)
Hedgefogg Research manufactures Dayton AVT, an automated vision testing instrument designed for clinical assessment and research, developed in collaboration with the US Air Force for aircrew vision evaluation and patient care applications.
AI & Machine LearningDeep TechHardwareMedical DevicesSpace TechSouthern California, US
IERUS Technologies provides research and advisory services focused on integrated air and missile defense and strategic weapons systems for the US Department of Defense and defense contractors.
Deep TechDefense TechHardwareHuntsville, US
Dr. Jason M. Keen(President and Founder)
Intertie provides AI-powered microgrid systems that turn buildings into clean energy assets, combining solar generation, battery storage, EV charging, and automated building controls.
AI & Machine LearningCleantechEnergyMobility & TransportationPropTech
Richard Mrlik(Founder)inZander Mrlikin
Co-investorsExpansion Venture Capital
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-investorsBaruch Future VenturesCool Climate CollectiveDangerous VenturesE8 AngelsPulse Fund
Ladybug Tools develops open-source Python libraries and plugins for environmental building design analysis, enabling architects and engineers to perform climate visualization, daylighting, energy simulation, thermal comfort, and computational fluid dynamics studies.
CleantechClimate TechConstruction TechDeveloper Tools
Mostapha Roudsari(Founder & Co-founder)Chris Macey(Co-founder)Theodore Brown(Developer)Sarith Subramaniam(Developer)
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
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)
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
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)
Navitas Systems manufactures advanced lithium-ion battery solutions for industrial, defense, and mission-critical applications.
Advanced ManufacturingCleantechDeep TechDefense TechEnergyHardware
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
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
OxEon Energy manufactures industrial-scale solid oxide systems for clean fuel production and synthetic fuels generation.
Advanced ManufacturingCleantechEnergy
PassiveLogic develops a physical AI stack that enables autonomous building infrastructure and control systems, targeting commercial and institutional buildings that consume energy and coordinate operations.
AI & Machine LearningCleantechConstruction TechEnergyEnterprise SoftwarePropTech
Co-investorsOssian Capital
QCoefficient offers EMeister MPC, software that uses the drywall and concrete of large commercial buildings as thermal energy storage to manage daily thermal load and cut cooling-season energy costs by around 30% without added equipment.
CleantechClimate TechEnergy
Quantitative BioSciences develops biosensor and immunoassay solutions using microfluidics, synthetic biology, and machine learning for scientific research and government applications.
AI & Machine LearningBiotechDeep TechHardware
Natalie Cookson(Co-founder & CEO)Michael Ferry(Co-founder & CSO)
Refined Imaging develops advanced X-ray and neutron imaging systems using interferometry and grating-based technologies for radiography and computed tomography applications.
Advanced ManufacturingCybersecurityDeep TechHardwareMedical DevicesBaton Rouge, US
Dr. Leslie ButlerDr. Jost GoettertCharles Hartman(Managing Member)
Sandbox Semiconductor provides a physics-based process intelligence platform for semiconductor manufacturing that uses AI and machine learning to optimize process development and production workflows.
Advanced ManufacturingAI & Machine LearningDeep TechSemiconductorsAustin, US
Skyhaven Systems is a research and development firm specializing in electrochemical engineering and advanced chemical process technologies for the US Government, with particular focus on Defense, Energy, Aerospace, and Environmental applications.
CleantechDeep TechDefense TechEnergySteamboat Springs, US
Skymantics develops AI-powered platforms for synthetic data generation, secure AI development, and drone logistics optimization.
AI & Machine LearningData & InfrastructureGovTechLogistics & Supply ChainSaaSMelbourne, US
Smart Information Flow Technologies (SIFT) is a research and development consulting company working in natural language processing, automated planning, cybersecurity, supervisory control, healthcare, and human-automation interaction.
AI & Machine LearningCybersecurityDeep TechMinneapolis, US
Sonalysts develops technical solutions for defense and government customers, leveraging a workforce of highly educated professionals with significant military experience.
Deep TechDefense TechEnterprise SoftwareGovTechWaterford, US
Dave Hinkle(Founder)Muriel Hinkle(Founder)
Strategic Analysis, Inc. provides consulting and analysis services to government and commercial clients across defense, health science, energy, and technology sectors.
Deep TechDefense TechEnterprise SoftwareGovTechArlington, US
Bradford L. Smith, Jr.(Founder and Chairman of the Board of Directors)Diane M. Smith(Founder and Owner)
Tier1 Performance provides team development consulting services that help organizations build psychological safety, trust, and collaboration through customized engagement processes and behavioral frameworks.
Enterprise SoftwareFuture of WorkHR Tech
Twinleaf develops magnetometer and sensor systems based on physics-derived technology for applications across government, academic, and industrial sectors.
Deep TechDefense TechHardwareSpace Tech
Thomas W. Kornack(Chief Scientist, Founder)Elizabeth L. Foley(President)
ULC Technologies develops and deploys robotic and AI-powered technologies to help gas distribution utilities and energy providers meet ESG goals, including reducing methane emissions and improving grid reliability.
AI & Machine LearningCleantechConstruction TechEnergyRoboticsHauppauge, US
Jonathan Russell(General Manager)
Vertex Solutions provides services to government agencies through various contracting vehicles including GSA schedules and military-specific contracts.
Defense TechEdTechEnterprise SoftwareGovTechHR Tech
ViQi develops AI and imaging solutions to accelerate bioassay development for the bioprocessing industry.
AI & Machine LearningBiotechMedical DevicesSanta Barbara, US
Katherine Yeung(Executive Officer, Director)Kristian Kvilekval(Executive Officer, Director)
BoardPascal Bamford(Director)Andreas von Blottnitz(Director)
X-ScaleSolutions develops high-performance, scalable software solutions for enterprise analytics and information systems optimization.
AI & Machine LearningCloud ComputingData & InfrastructureDeep TechEnterprise Software
Dr. Dhabaleswar K. (DK) Panda(Founder)DK Panda
Xtelligent develops next-generation traffic signal control technology using control algorithms, real-time data streams, and machine learning to enable adaptive, multimodal, and cooperative management of signalized intersections for cities.
AI & Machine LearningGovTechMobility & Transportation
Co-investorsCongruent VenturesWireframe VenturesThird Sphere
Zyvex Labs designs and commercializes atomically-precise manufactured products using proprietary nano-imprint lithography and related technologies.
Advanced ManufacturingDeep TechHardwareQuantum ComputingSemiconductors
Jim Von Ehr(Founder)John N. Randall(President, CEO)
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.