Washington
Investment thesis
The Environmental Protection Agency (EPA) is a U.S. federal government agency whose mission is to protect human health and the environment through regulation, grants, research, partnerships, and public education.
Source: firm website, verified Aug 23, 2026.
SBIR/STTR awards · non-dilutive funding
Federal grants and contracts to small businesses — no equity taken. Awards on record 1983–2023.
1,485 Phase I · 506 Phase II · most-funded states: CA, MA, CO, OH, TX
| Recent awardees | Phase | Year | Amount |
|---|---|---|---|
| KEBOTIX INCCambridge, MA | Phase II | 2023 | $400K |
| Imvela Corp.Brooklyn, NY | Phase I | 2023 | $100K |
| TRANSFOAM LLCCharlottesville, VA | Phase I | 2023 | $100K |
| SANITARY GREEN INCORPORATEDBend, OR | Phase I | 2023 | $100K |
| CENSYS TECHNOLOGIES CORPORATIONDaytona Beach, FL | Phase I | 2023 | $99.4K |
| CAN I RECYCLE THIS INCAthens, GA | Phase I | 2023 | $98.9K |
| OHIO LUMEX CO INCSolon, OH | Phase II | 2023 | $400K |
| ZABBLE, INC.Walnut Creek, CA | Phase II | 2023 | $400K |
| Triangle Environmental Health Initiative LLCDurham, NC | Phase II | 2023 | $400K |
| Sonata ScientificDanbury, CT | Phase II | 2023 | $400K |
| KLAW INDUSTRIES LLCBinghamton, NY | Phase II | 2023 | $400K |
| GEOMETRIC DATA ANALYTICS INC.Chapel Hill, NC | Phase II | 2023 | $399.1K |
| CLEANROBOTICSLongmont, CO | Phase II | 2023 | $370.1K |
| D & D Products IncorporatedNorth Prairie, WI | Phase I | 2023 | $100K |
| MESA PHOTONICS LLCSanta Fe, NM | Phase I | 2023 | $100K |
| SEACOAST SCIENCE, INC.Carlsbad, CA | Phase I | 2023 | $100K |
| CITY OF ROSES DISPOSAL & RECYCLING INCPortland, OR | Phase I | 2023 | $100K |
| ZABBLE, INC.Walnut Creek, CA | Phase I | 2023 | $100K |
| EIC LABORATORIES, INC.Norwood, MA | Phase I | 2023 | $100K |
| BETA ANALYTIC, INC.Miami, FL | Phase I | 2023 | $100K |
| CLEANED AND GREEN, LLCIndian Springs Village, AL | Phase I | 2023 | $100K |
| GOODGAMES LLCFreeport, ME | Phase I | 2023 | $100K |
| HJ SCIENCE & TECHNOLOGY INCSan Leandro, CA | Phase I | 2023 | $100K |
| KAMILO, INC.San Francisco, CA | Phase I | 2023 | $100K |
| FOREVER ANALYTICAL SERVICES, INC.South Bend, IN | Phase I | 2023 | $100K |
| SPORIAN MICROSYSTEMS, INCLafayette, CO | Phase I | 2023 | $100K |
| J-TECH LLCLakewood, CO | Phase I | 2023 | $99.9K |
| Optimized Thermal Systems, Inc.Beltsville, MD | Phase I | 2023 | $99.9K |
| Edvance Research, Inc.Dayton, OH | Phase I | 2023 | $99.9K |
| WISELY, INC.Wilmington, NC | Phase I | 2023 | $99.9K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are non-dilutive — the agency takes no equity.
What they invest in
from 146 of 203 portfolio companiesDeep Tech ×67Hardware ×58New Materials ×50Cleantech ×48Advanced Manufacturing ×29Climate Tech ×28Defense Tech ×22Energy ×20
HQs:United States×69
Investments · 203 tracked
founders shown can be your intro pathBy year:2022 · 122021 · 352020 · 132019 · 122018 · 102017 · 72016 · 62015 · 82014 · 72013 · 62012 · 62011 · 5177 dated
Santa Ana, US
Dennis P Calvert(Executive Officer, Director)Kenneth R. Code(Executive Officer, Director)Charles K. Dargan(Executive Officer)Joseph L. Provenzano(Executive Officer, Director)Charles K. Dargan, II(Executive Officer)Dennis P. Calvert(Executive Officer, Director)
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)
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
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
Transformair offers smart air purifiers and ultrasonic humidifiers for the home, using patented PECO photocatalytic technology combined with carbon and HEPA filtration to remove pollutants, allergens, and microbes.
ConsumerHardwareWellness & Fitness
Aquagga develops field-deployable technology that uses a patented hydrothermal process to permanently destroy PFAS chemicals, breaking them down into harmless byproducts.
Advanced ManufacturingCleantechClimate TechDeep TechEnterprise SoftwareTacoma, US
Brian Pinkard(Cofounder)Nigel Sharp(Co-Founder & former CEO)Christopher Woodruff(Executive Officer, Director)
Co-investorsVertueLab
Areté develops technology and engineering solutions with a focus on defense applications, including counter-drone systems and missile defense.
Deep TechDefense Tech
Aruna Bio develops a proprietary neural exosome platform and a lead therapeutic neural cell-derived exosome, AB126, designed to cross the blood-brain barrier.
BiotechHealthtechAthens, US
Steven Stice(Chief Scientific Officer and Director)Harold W. Ingalls(Chief Financial Officer and Director)Tracey Stice(Chief Operating Officer and Secretary)
BoardJohn F. Mangan, Jr.(Director)C. William Griffin(Director)Russell C. Lindner(Director)
Co-investorsEshelman Ventures, LLCEvolution VC PartnersGRA Venture
Babington Technology designs, manufactures, and services custom heating, cooking, and sanitation equipment, including expeditionary field feeding systems and mobile kitchens.
Advanced ManufacturingDefense TechHardware
A radiocarbon dating laboratory offering carbon-14 analysis services; the page shown only lists holiday and lab closure schedules, providing limited detail about its offerings.
Deep Tech
Biopico develops the OrganRX™ platform — organ-on-a-chip plates, recirculation systems, and pre-seeded 3D tissue models that recreate human physiology in vitro.
BiotechDeep TechHealthtech
BlueWillow Biologics is a clinical-stage biopharmaceutical company developing NanoVax, an intranasal oil-in-water adjuvant (W805EC) and antigen delivery platform for vaccines.
BiotechHealthtech
Co-investorsMichigan Capital Network
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
BRISEA Group provides environmental and energy consulting services—including business strategy, technology incubation investment, and project development—to government agencies, private industrial companies, and international funding organizations.
CleantechClimate TechEnergyParsippany, US
Calyx builds AI vision cameras and bio-based ammonia gas sensors with predictive analytics for poultry and livestock farming, giving barn operators real-time visibility into bird weight, weight distribution, and environmental conditions.
AgTechAI & Machine LearningHardware
Censys Technologies designs and manufactures fixed-wing VTOL drones, dock systems, and AI-powered edge computing platforms for autonomous inspection of critical infrastructure, primarily serving utilities and energy providers for power line monitoring and vegetation management.
AI & Machine LearningEnergyEnterprise SoftwareHardwareDaytona Beach, US
John Lobdell(Co-Founder, Chief Technology Officer & VP)Trevor Perrott(Co-Founder, President & Chief Executive Officer)Payal Chaudhari(Co-Founder & Chief Administrative Officer)
BoardNoel Heiks(Director)inDavid Scalzo(Director)in
Co-investorsCollective Capital VenturesKirenaga PartnersDecibel PartnersGreylock PartnersGV (Google Ventures)Intel Capital
C-Interest develops modified biochar products that replace conventional industrial materials—including a carbon-negative filler for gypsum wallboard, a biochar masterbatch substituting fossil-derived carbon black in plastics, and drop-in filtration cartridges for gas and liquid treatment.
CleantechClimate TechNew Materials
Thomas Trabold(CEO)in
CIRT is a data and software platform for managing sustainable packaging compliance, labeling, recovery data, and impact tracking, helping brands meet regulatory requirements such as EPR reporting across multiple jurisdictions.
Circular EconomyClimate TechSaaS
Kat Shayne(Founder)in
Co-investorsTech Square Ventures
COR provides recycling and sustainability services aimed at diverting waste from landfills and reintroducing recyclable materials into the supply chain.
Circular EconomyCleantechClimate TechPortland, US
Claros Technologies develops technology to detect and destroy PFAS ("forever chemicals") at commercial scale, targeting elimination of long, short, and ultra-short chain PFAS.
CleantechClimate TechNew Materials
Michelle Bellanca(CEO & Co-Founder)
CleanFiber manufactures cellulose-based insulation from recycled newsprint for the building materials industry.
Advanced ManufacturingCircular EconomyCleantechConstruction TechNew MaterialsBuffalo, US
Sami Rahman(CEO)Erik Gregory(Chief Financial Officer)Jonathan Strimling(Executive Officer)James Austin(Executive Officer)Marco Peterson(Executive Officer, Director)
BoardNoah Lerner(Director)in
Co-investorsAligned Climate CapitalBoston Harbor AngelsClean Energy VentureClimate Innovation CapitalGlobal BrainKeiretsu Forum+7 more
Co-investorsMonozukuri Ventures
New Castle, US
Erica Nemser(Executive Officer, Director)Bill Charlton(Executive Officer)Bennett Nemser(Director)
BoardGuido Radaelli(Director)Chris Erickson(Director)Tony Sun(Director)
Continuum Dynamics Inc is a research and development firm serving government and industry, providing analysis, software R&D, and testing across fields such as rotorcraft, flight simulation, nuclear engineering, and numerical methods.
Deep TechDefense TechEnergy
Creare is an engineering research and development firm that solves complex technical problems and develops new technologies for industry and government customers.
Deep TechHardwareSpace Tech
Dr. Jay Rozzi(Senior Staff)Jeff Breedlove(Senior Staff)Dr. Odile Clavier(Senior Staff)Dr. Patrick Magari(Senior Staff)
CTI and Associates, Inc. is an environmental consulting and engineering firm providing environmental remediation, engineering, and construction services.
CleantechConstruction Tech
Cyclotron Road is a fellowship program based at Lawrence Berkeley National Lab that supports entrepreneurial scientists commercializing hard-technology innovations, providing a living stipend, research funding, entrepreneurial training (with partner Activate), and access to the lab's facilities and experts.
CleantechDeep TechImpact & Social GoodBerkeley, US
Earth Merchant produces Hempcrete building materials, including its proprietary OlogyBrick — a bio-based, carbon-negative composite made from industrial hemp, lime, and plant derivatives used as insulating infill in construction.
CleantechConstruction TechNew MaterialsLebanon, US
Electro-Mechanical Associates (EMA) provides spark and compression ignition engine research services, including instrumentation, in-house testing, prototyping, engine building and design, and software development.
Advanced ManufacturingHardwareMobility & Transportation
Engineering Mechanics Corporation of Columbus (Emc2) provides materials, structural integrity, and reliability engineering solutions, including failure analysis services, for industries such as nuclear power plants, oil and gas, and aircraft.
Deep TechEnergyNew MaterialsColumbus, US
Guidedwave develops ultrasonic guided wave technology and products for non-destructive testing (NDT) and structural health monitoring (SHM), including scanners, probes, hardware, and software for inspecting pipes, plates, storage tanks, and shells.
Advanced ManufacturingDeep TechHardwareState College, US
Fusion Coolant Systems makes Pure-Cut, a machine-tool cooling and lubrication system that uses supercritical carbon dioxide instead of traditional cutting fluids to extend tool life, improve surface finish, and reduce health and environmental risks in CNC machining.
Advanced ManufacturingCleantechHardware
Steve Skerlos(Founder & Chief Technology Officer)in
Co-investorsID VenturesInvest MichiganMaterial ImpactMichigan Rise
GoodFocus Games offers a web-based platform and the "GoodFocus Method" that uses social gamification and AI-driven insights to run interactive sessions for meetings, training, workshops, conferences, and strategic planning.
Future of WorkHR TechSaaS
GreenLifeTech develops an oxygen reduction technology to extend the shelf life of perishable products such as fruits, vegetables, and wine, with planned products including refrigerator integration and a countertop solution.
FoodTechHardwareMedical Devices
GVD Corp develops thin-film coating technology, with applications including protective coatings for perovskite solar cells to prevent water vapor-induced degradation.
CleantechDeep TechNew Materials
IBC develops and manufactures high-purity macrocycles and chelating agents (the MacroLig product line) and Molecular Recognition Technology (MRT) systems for highly selective metal separations.
Circular EconomyCleantechNew Materials
Vipo develops, manufactures, and installs high-performance polymer solutions for corrosion, fire protection, and thermal insulation used in demanding environments.
Advanced ManufacturingEnergyNew Materials
iMicrobes uses synthetic biology to develop cost-effective sustainable materials and replace conventional manufacturing processes.
BiotechCircular EconomyCleantechClimate TechHealthtechNew MaterialsSan Francisco, US
Derek Greenfield(Founder/CEO)Liz Clarke(Founder/CTO)inNoah Helman(Founder/CSO)in
Co-investorsFirst Bight VenturesJuniperY CombinatorUniversal Materials Incubator
InnoSense is an R&D and engineering company that develops novel engineered materials, sensors, coatings, and medical diagnostic devices, including permanent anti-fog coatings, time-temperature dosimeters, cryogenic insulation, and nanowire-based biosensors.
Deep TechMedical DevicesNew Materials
Uma Sampathkumaran(Senior Vice President of R&D)
Inovati develops Kinetic Metallization, a low-pressure cold spray additive manufacturing process that deposits metals, ceramics, and polymers onto surfaces without melting the feedstock or substrate.
Advanced ManufacturingHardwareNew Materials
Intellisense Systems designs and manufactures defense electronics and environmental monitoring systems, including meteorological/weather stations, avionics displays, and modular power management and distribution solutions.
Defense TechHardwareIoT
Iterant offers an AI agent that identifies search queries a company isn't ranking for and then designs, writes, and deploys on-brand landing pages under the company's own domain, matching its existing design system and brand voice.
AI & Machine LearningMarketing TechSaaS
Kebotix uses artificial intelligence, machine learning, and laboratory automation to discover and develop new materials and molecules.
AI & Machine LearningDeep TechNew MaterialsCambridge, US
Dennis Sheberla(Executive Officer)Semion Saykin(Executive Officer)Alan Aspuru-Guzik(Executive Officer)inAshish Kulkarni(Executive Officer, Director)
BoardTong Hui(Director)Andrew Krowne(Director)in
Co-investorsArcTern VenturesBantam GroupFlybridge Capital PartnersOne Way VenturesPropagator VenturesSafar Partners+4 more
Kingdom Supercultures develops functional health ingredients using natural microbes, aiming to improve consumer health.
BiotechFoodTechHealthtechNew MaterialsWellness & Fitness
Co-investors4DX VenturesFour Acres CapitalShine CapitalDigitalis VenturesLux CapitalSALT+2 more
KLAW Industries manufactures glass-based supplementary cementitious materials (SCMs) at its Binghamton, NY factory, using machinery built and operated in-house.
Circular EconomyConstruction TechNew MaterialsBinghamton, US
Los Angeles, US
Maxim Batalin(Executive Officer, Director)Aydogan Ozcan(Director)
BoardGilbert Hakim(Director)
Oakland, US
Vladislav Shunturov(Executive Officer, Director)John Petersen(Executive Officer, Director)
BoardWilliam Coleman(Director)James Kim(Director)Peter Rogers(Director)
Luna develops fiber optic sensing, measurement and non-destructive testing systems for physical, mechanical and temperature measurement, along with photonic testing solutions for designing and testing optical components and networks.
Advanced ManufacturingDeep TechHardware
Lynntech is a research and development company whose scientists and engineers create technologies across areas including artificial intelligence, medical diagnostic devices, hybrid energy systems, biomedical therapies, defense safety and training, and additive manufacturing.
Deep TechDefense TechMedical Devices
Mainstream Engineering researches, engineers, and manufactures advanced technology products—including refrigeration and environmental control units, power converters, engines, thermal management systems, and bioenergy/sensing solutions—for government, military, commercial, and industrial customers.
Advanced ManufacturingDeep TechDefense TechRockledge, US
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
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-Tracers, Inc. manufactures analytical tracers used for quality assurance in the animal feed industry, enabling feed manufacturers to detect mixing errors, verify batch cleanout, and mark products as proprietary.
Advanced ManufacturingAgTechNew Materials
David Eisenberg(President)Zachary Eisenberg(Vice President)Nikolay Barahskov(Director of R&D and Technical Services)
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)Ali Dorri(Executive Officer)Dr. Dirk Brusis(Director)C. Robert Kidder(Director)Hamid Rabie, Ph.D(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)
Co-investorsClimate Investment
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
Abhishek Motayed(Founder (referenced))
Co-investorsMaryland TEDCOTEDCO
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
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
Oceanit is a multidisciplinary innovation lab and engineering firm that applies fundamental science to develop and deploy technology across aerospace and defense, energy, life sciences, and environmental/civil engineering.
Deep TechDefense TechEnergyHonolulu, US
Ohio Lumex provides analytical instruments, laboratory services, and onsite testing for biogas analysis applications such as renewable energy, pipeline integrity, and process control, as well as portable mercury vapor analyzers and continuous monitors for air quality and industrial hygiene.
CleantechEnergyHardware
OLIN is a landscape architecture studio that designs public spaces, landscapes, and urban environments.
Climate TechConstruction Tech
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)
Optimized Thermal Systems provides software for designing thermal systems, including its CoilDesigner product used for heat exchanger and coil design.
Advanced ManufacturingEnergySaaS
Optra Edge is an integrated hardware and software platform for deploying edge AI applications, letting businesses run AI outside the cloud with remote provisioning, fleet monitoring, and chainable software "skills." It offers industry-tailored offerings for manufacturing, retail, transportation, and healthcare.
AI & Machine LearningHardwareIoT
Orono Spectral Solutions (OSS) develops patented, solvent-free systems for measuring total oil and grease (TOG) in water, ammonia, air, and other media, along with the ClearSampler technology for collecting and identifying unknown materials.
CleantechDeep TechHardwareBangor, US
Dean Smith(Executive Officer, Director)Roland Sirois(Executive Officer, Director)Carl Tripp(Executive Officer, Director)
BoardLuke Doucette(Director)Randy Braley(Director)Jeff Throckmorton(Director)
Ourobio develops engineered microorganisms that convert industrial byproducts into biomaterials using synthetic biology.
BiotechCircular EconomyCleantechNew MaterialsIndianapolis, US
Alec Brewer(Founder & Chief Executive Officer)inKobe Rogers(Founder & Chief Operations Officer)in
Co-investorsLighthouse Network Ventures Llc
OXbyEL Technologies builds an integrated water treatment system that combines membrane technology with a proprietary electrolyzer to remove contaminants and fully mineralize PFAS while recovering minerals and achieving zero liquid discharge.
CleantechClimate TechDeep TechPhoenix, US
Colleen Legzdins(Executive Officer, Director)Ed Ricci(Executive Officer, Director)
Co-investorsInvestcorp
Polestar Technologies develops customized optical sensing technologies and sterilizable sensors that measure parameters such as pH, oxygen (O2), and carbon dioxide (CO2).
Deep TechHardwareIoT
Polykala Technologies develops materials technologies for clean energy and water, including recycling-based production of rare earth metals and oxides, recovery of critical minerals such as copper, cobalt, nickel and noble metals from mine tailings, single-atom catalyst manufacturing, and PFAS-removal membranes, sorbents and filters.
CleantechClimate TechNew Materials
Seattle, US
Ryan Vogel(CEO)
Co-investorsDakota Venture GroupRobin Hood VenturesRockies Venture ClubSWAN Impact Network
QuakeWrap develops and applies patented fiber-reinforced polymer (FRP) systems to repair and strengthen infrastructure such as seawalls, piles, pipelines, bridges, storage tanks, and industrial structures, including underwater and seismic retrofit work.
Advanced ManufacturingConstruction TechNew MaterialsTucson, US
Mo Ehsani(Founder)
Quantitative BioSciences Inc.
BiotechDeep TechHardware
Radiation Monitoring Devices (RMD) develops radiation detection, high-speed imaging, nuclear instrumentation, and non-destructive test equipment, including scintillator materials for gamma-ray and neutron detection.
Deep TechHardwareNew Materials
Resodyn Corporation is a research and development company that engineers and manufactures technology products and provides engineering and manufacturing services, developing solutions through public grants (such as SBIR) and private R&D contracts.
Advanced ManufacturingDeep TechHardware
Rheaply provides a platform that enables organizations to create sharing economies by connecting users with underutilized workplace resources, allowing goods and materials to find new uses rather than be discarded.
Circular EconomyCleantechE-commerceEnterprise SoftwareImpact & Social GoodSaaSChicago, US
Dr. Garry CooperGarry Cooper, Jr.(Executive Officer, Director)Thomas Fecarotta(Executive Officer)Tyler Skelton(Executive Officer, Director)Peter John Tucker(Executive Officer)
BoardMike Fitzgerald(Director)in
Co-investors100 Black Angels & Allies FundCleveland AvenueEnergy Impact PartnersHigh AlphaRevolutionTech Square Ventures+5 more
RJ Lee Group is a scientific consulting firm and industrial forensics laboratory that provides materials and environmental testing, including petrographic analysis, chemical testing, and expert witness services.
CleantechDeep TechNew Materials
Bend, US
Adam DeHeer(Executive Officer, Director)Nicholas Sund(Executive Officer, Director)
Scientific Methods provides microbiological testing services, including pathogen and microorganism identification and device or method validation studies for organizations such as the USEPA.
BiotechCleantechHardware
Seacoast Science develops chemical sensors and gas detection devices based on patented MEMS microsensor technology for markets including leak detection, military, homeland security, air quality monitoring, and emission gas detection.
Deep TechHardwareIoTCarlsbad, US
Sigma Labs develops advanced materials and material composites, including thermal management insulation, fibrous and porous materials for filtration and apparel, moisture and oxygen barrier films for flexible packaging and electronics, vacuum metallized effect pigments, and sub-micron dielectrics for film capacitors.
Advanced ManufacturingEnergyNew Materials
Simonpietri Enterprises is a Hawaii-based, woman-owned company that develops and designs renewable fuel manufacturing and waste-to-energy projects, converting construction, demolition, and organic waste into renewable jet fuel, clean hydrogen, fertilizer, and energy.
Circular EconomyCleantechEnergy
Joelle Simonpietri(President)
Advanced ManufacturingBee Cave, US
Lisa Taylor(Executive Officer, Promoter)John W. Morgan(Director)James F. Rhodes(Executive Officer, Director)Pike Powers(Director)George Steinke(Director, Promoter)Haoran Chen(Director, Promoter)
SkySight Technologies provides engineering design and development services, taking products and systems from concept through production for the Department of Defense, Department of Homeland Security, other government agencies, and commercial clients.
Deep TechDefense TechHardware
Skyhaven Systems develops electrochemical products and technologies for the energy, defense, aerospace, and environmental markets, including water disinfection systems, quality control sensors, and CO2 processing and removal systems.
CleantechDeep TechDefense Tech
SKYRE develops and manufactures electrochemical systems for hydrogen recovery and CO₂ conversion, including its H2RENEW gas separation and compression platform that produces high-purity recycled hydrogen and its CO2RENEW system that converts waste carbon dioxide into fuels and commodity chemicals.
Advanced ManufacturingCleantechEnergyHardwareEast Hartford, US
Trent Molter(Executive Officer)
Sporian develops advanced sensor and prototype technologies for extreme environments, including seismometer and flow sensors designed to operate under the high temperatures and pressures found on the surface of Venus.
Deep TechHardwareSpace Tech
Sun Nuclear develops quality assurance and quality management products for radiation oncology and medical physics, including machine QA devices, patient QA software, dosimetry detectors, and AI-powered plan quality tools.
AI & Machine LearningHealthtechMedical Devices
remooble makes whiteboard cleaning products, including its Whiteboard Renew spray-and-wipe cleaner designed to remove tough or ghosted stains.
ConsumerNew Materials
TDA Research Inc. is a research and development company that develops commercial products and technologies across the defense/aerospace, medical, materials, and energy industries, bringing them to market through direct sales, distribution agreements, spin-off companies, and licensing.
Deep TechEnergyNew MaterialsGolden, US
Triangle Environmental develops wastewater and nutrient management solutions aimed at addressing environmental and public health challenges, with a focus on underserved communities.
CleantechClimate TechImpact & Social Good
Newark, US
Joseph Anthony Heanue(Executive Officer, Director)Brian Patrick Wilfley(a Director prior to November 23, 2015)Lester John Lloyd(a Director prior to November 23, 2015)Augustus Percival Lowell(a Director prior to November 23, 2015)Philip Henry Devlin(Executive Officer)Muslim Tyebjee(Executive Officer)
Co-investors1315 Capital
Ultramet develops and manufactures refractory metals, platinum group metals, and ceramics—including coatings, freestanding structures, open-cell foams, and ceramic matrix composites—for use in extreme, high-performance environments.
Advanced ManufacturingDeep TechNew Materials
The company offers a map-based view of construction project data, consolidating information geographically so teams can track progress, milestones, and resource allocation.
Construction TechPropTechSaaSSeattle, US
Brian Saab(Executive Officer, Director)Amy G. Hutchins(Executive Officer, Director)Nate Miller(Executive Officer)
BoardSivaramakichenane Somasegar(Director)John Case(Director)
Co-investorsCerity Partners VenturesMadrona Venture Group
USEFULL provides a plastic-free reusable takeout container program combining tracking technology, container inventory, and launch support for college campuses across North America.
Circular EconomyClimate TechImpact & Social GoodCambridge, US
Alison Cove(Founder & CEO)Melissa J. Eldridge(Executive Officer)Jack Kutner(Director)Spencer Gaffney(Director)Rob Kutner(Executive Officer)Alison Rogers Cove(Executive Officer, Director)
Verdant Structural Engineering (VSE) is a full-service structural engineering firm that provides assessments, stamped drawings, inspections, expert testimony, and product consultation, with a focus on bio-based and low-carbon building materials.
Climate TechConstruction TechNew MaterialsBerkeley, US
TS VTI designs, builds, sells, and services vacuum coating (PVD) machines and equipment using magnetron sputtering, thermal evaporation, and cathodic arc deposition for industrial applications, and also provides in-house coating services.
Advanced ManufacturingHardwareNew Materials
Veritay Technology Inc. develops solutions for defense and commercial programs, including ballistics research, advanced weapon systems, and ammunition design, as well as custom controller systems for OEM food-service refrigeration equipment and other specialty industries.
Advanced ManufacturingDefense TechHardware
Vescent develops photonics and quantum hardware, including frequency combs, lasers, controllers, and optical atomic clocks, along with laser stabilization and cold atom science solutions.
Deep TechHardwareQuantum Computing
Scott Davis(Co-Founder & CEO)
Co-investorsCaruso VenturesMassive
Vortant Technologies is a design, technology, and software development firm that develops products and solutions through research and collaboration.
HardwareHealthtech
Waddan Systems designs, manufactures, and markets low-cost monolithic MEMS sensors and systems—including accelerometers, gyros, inertial measurement units, integrated sensors, and wireless monitoring nodes—using micromachining technologies and its own wafer fabrication facility.
Defense TechHardwareSemiconductorsValencia, US
Xtalic uses a computational material design platform to develop nanostructured metal alloys with enhanced durability, corrosion resistance, and temperature stability for manufacturers with demanding product requirements.
Advanced ManufacturingDeep TechHardwareNew MaterialsMarlborough, US
Chris Schuh(Founder)in
Co-investorsMatrix
Browse all 203 investments with full details →
▶3 more tracked companies
ZABBLE, INC.Zeteo TechZila Works LLC
Exits · 2
IPOs and acquisitions across the tracked portfolioPortfolio news
latest coverage across their companiesCensys Technologies · Censys Technologies (company blog) · Aug 19, 2026
CleanFiber · businesswest.com · Jun 19, 2026
Frequently asked questions
- What sectors does Environmental Protection Agency (EPA) focus on?
- Environmental Protection Agency (EPA) focuses on Climate Tech, Impact & Social Good.
- Where is Environmental Protection Agency (EPA) located?
- Environmental Protection Agency (EPA) is headquartered in Washington, US.
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