HG Ventures — Full Portfolio

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 PartnersIn-Q-TelMaterial Impact

Electrochemical water purifier using patent-pending technology to remove contaminants including PFOA.

Mansfield, US

Julie Bliss Mullen(Executive Officer, Director)Leanne Hersey(Founder)inPamela Lynch(Executive Officer)Orren Schneider(Executive Officer)

BoardJiten Manglani(Director)Tom Ferguson(Director)in

Co-investorsDCVC (Data Collective)Echo River CapitalMassVenturesThe Alchemy FundBURNT ISLAND VENTURES

Aclarity makes the Octa System, an electrochemical oxidation technology that destroys PFAS "forever chemicals" on-site by breaking carbon-fluorine bonds.

CleantechClimate TechHardware

Co-investorsBURNT ISLAND VENTURESEcho River CapitalMaroon Venture Partners FundMassVentures

Ateios develops electrode manufacturing techniques designed to accelerate production speed, reduce carbon emissions, and decrease the physical footprint of battery manufacturing and gigafactories.

Advanced ManufacturingCleantechEnergyMedical DevicesNew MaterialsLa Jolla, US

Terry Taber(CTO)

Co-investorsCarat Venture PartnersCharmides CapitalElevate VenturesGood Growth CapitalTechstarsTitletownTech+2 more

Avenew plans and executes infrastructure and community development projects, from highway construction to city parks, using technology to analyze existing conditions and design long-term improvements.

Construction Tech

Bind-X develops Terrabind, a biological dust control binder that binds soil particles to form a hard, durable surface layer for haul roads, tailings, and stockpiles, reducing dust and water use at mining sites.

BiotechCleantechNew Materials

Heinz Schwan(Managing Director, Bind-X International GmbH)

Biosynthetic Technologies manufactures biobased synthetic base oils called Estolides, derived from organic fatty acids in bio-derived oils, that serve as drop-in replacements for conventional lubricant base oils.

Advanced ManufacturingCircular EconomyCleantechNew MaterialsIrvine, US

Allen Barbieri(Executive Officer, Director)Steven Bierschenk(Director)

BoardBernhard Mohr(Director)Meghan Sharp(Director)Kent Wasson(Director)Steve Bierschenk(Director)

Bluefield Research provides water industry market research, data, and competitive analysis, covering topics such as municipal and industrial water infrastructure, utilities, policy, and mergers and acquisitions.

CleantechClimate TechData & Infrastructure

Circulor provides a supply chain traceability platform that tracks raw materials such as cobalt, lithium, nickel, and natural graphite, offering Digital Product/Battery Passport and Trust & Assurance solutions.

Circular EconomyEnterprise SoftwareSaaS

Co-investors24 HaymarketAster CapitalFuture Positive CapitalInMotion VenturesRegeneration.VCSystemiq Capital+2 more

Co-investorsSun Road Syndicate

David makes high-protein nutrition bars, including its Gold (28g protein) and Bronze (20g protein) bars marketed as low-calorie, zero-sugar options.

Direct to ConsumerFoodTechWellness & Fitness

Duality develops simulation software that models complex environmental scenarios and processes real-time sensor and machine data.

AI & Machine LearningDeep TechRoboticsSan Mateo, US

Apurva Shah(Founder)inMike Taylor(Founder)Michael Taylor(Founder)in

Co-investorsDorm RoomDrive CapitalIntel CapitalLemnos VC

Epogee develops EPG, a modified fat ingredient that reduces calorie absorption by around 92% while maintaining the taste and texture of traditional fat.

FoodTechNew Materials

Equispheres develops engineered aluminum and copper metal powders with precisely controlled characteristics and morphology, designed for high-volume metal additive manufacturing (3D printing) applications.

Advanced ManufacturingHardwareNew Materials

FREDsense builds portable, field-ready sensors and lab services to detect PFAS and other chemical contaminants in water, including an on-site PFAS field test kit and a 5-day PFAS lab analysis service.

CleantechClimate TechHardware

Co-investorsEmerald Technology Ventures AgForesightFundersClubInnovative Solutions Canada

Gauge provides fleet and equipment management software with built-in GPS and telematics hardware, offering asset maintenance, security, and safety/compliance reporting (such as IFTA) for mixed fleet operations.

IoTLogistics & Supply ChainSaaS

Michael Paredes(CEO)

Hyroad provides a trucking-as-a-service offering for long-haul freight, delivering hydrogen-powered class-8 trucks, fueling stations, and maintenance support through a pay-per-mile pricing model.

CleantechEnergyMobility & Transportation

INERATEC produces synthetic fuels and chemicals from CO₂ and renewable hydrogen using microstructure technology, offering e-SAF, e-diesel, and other drop-in ready fuels and chemical products for energy and manufacturing industries.

CleantechClimate TechEnergyNot stated on page, DE

Tim Boeltken(Founder)inPfeifer Peter(Founder)in

Co-investorsEmerald Technology Ventures AgENGIE New VenturesPiva CapitalWIND VenturesExtantia CapitalPETRONAS Ventures

Material Evolution develops low-carbon cement using a proprietary Alkali Fusion process that produces a clinker-like material at ambient temperatures from industrial byproducts, wastes, and natural materials.

Circular EconomyCleantechNew Materials

Co-investorsAt One VenturesKOMPAS VCPlayfair Capital

MITO Material Solutions develops patented hybrid additive technology that enhances fiber-reinforced composites and thermoplastics by functionalizing materials like graphene oxide and biomaterials, serving the manufacturing industry.

Advanced ManufacturingCleantechClimate TechDeep TechNew MaterialsStillwater, US

Haley Marie Keith(Executive Officer, Director)Kevin Keith(Director)Steve Hulme(Director)

BoardMahdi Ghazizadeh(Director)Richard J. Diemer, Jr.(Director)Joel Neale(Director)

Co-investorsCitrine AngelsCortado VenturesElevate VenturesEvergreen Climate InnovationsHouston Angel NetworkMichigan Capital Network+2 more

Molg develops autonomous microfactories using advanced robotics to disassemble electronics and recover valuable components for reuse and remanufacturing, addressing e-waste through circular manufacturing practices.

Advanced ManufacturingAI & Machine LearningCircular EconomyClimate TechHardwareRoboticsWashington, US

Mark Lyons(Executive Officer, Director)Robert Lawson-Shanks(Executive Officer, Director)Alyssa Bryan(Director)

Co-investorsEarthshot VenturesTechFoundersTechstarsPlug and Play Ventures

OnStation provides digital stationing software for road construction crews, replacing physical survey stakes and paper field logs with location and documentation tools accessible on mobile devices.

AI & Machine LearningConstruction TechSaaSCleveland, US

Co-investorsJobsOhio VenturesJumpstart VenturesTechstars

P2 Science develops green chemistry platform technologies (including its PIOz ozonolysis and PICE polymerization processes) that convert renewable, plant-based oils into functional intermediates, specialty ingredients, and polymers.

BiotechCircular EconomyCleantechNew MaterialsWoodbridge, US

Paul Anastas(Co-founder)Patrick Foley(Co-founder & President)Neil A. Burns(Executive Officer, Director)Oihana Elizalde(Chief Executive Officer)Brian Chan(Chief Financial Officer)Kevin Gallagher(Director)

Co-investorsXeraya CapitalCircular Innovation FundConnecticut InnovationsEmerald Technology Ventures AgCycle CapitalSofinnova Partners

PinPoint Analytics provides an AI-driven bid pricing platform built on a database of U.S. public works bids, helping civil contractors, general contractors, and engineering firms estimate competitive bid ranges before bid day.

AI & Machine LearningConstruction TechData & Infrastructure

Co-investorsMetaPropMetaProp Ventures

ElectraMet builds electrochemical wastewater treatment systems for metal recovery, oxidant abatement, and acid reuse, serving industrial customers in sectors such as mining and microelectronics.

Circular EconomyCleantechNew MaterialsLexington, US

CAMERON LIPPERT(Executive Officer, Director)Keith Jacobs(Executive Officer, Director)James Landon(Executive Officer, Director)ANDERS HALLSBY(Director)

BoardChristopher Young(Director)Ginger Rothrock(Director)in

Co-investorsBluegrass Angel VentureCarnrite VenturesEvergreen Climate Innovations

Pretred manufactures products from waste tires and plastics with a focus on environmental sustainability.

Advanced ManufacturingCircular EconomyCleantechEnergyAurora, US

Eric Davis(CEO)Rob Volkert(COO)Michelle E. Davis(Executive Officer)Michael D. Corrigan(Executive Officer)Brad O'Neil(Director)

BoardGinger Rothrock(Director)in

Co-investorsTechstarsDenver Ventures

Puraffinity develops adsorbent media engineered for the removal of PFAS from water, offered as bulk media, pre-filled vessels, or full treatment services.

CleantechClimate TechNew MaterialsLondon, GB

Co-investorsExtantia CapitalKindred CapitalOctopus VenturesUniversal Materials IncubatorVerve Ventures

R3 Robotics builds automated systems for disassembling and dismantling electric vehicle batteries and complete EV systems, including e-drives and power electronics, at industrial scale.

Circular EconomyCleantechRoboticsLuxembourg, LU

Antoine Welter(Founder)

Co-investorsBONVENTURE

ReNew develops and operates renewable energy projects across India, holding one of the country's largest portfolios of clean energy assets.

CleantechClimate TechEnergy

Sumant Sinha(Founder)Vaishali Nigam Sinha(Founder)

Renewal Mill is a food and ingredients company that makes six upcycled ingredients across protein, flour, and fiber, along with baking mixes, by repurposing byproducts from food production such as juice pulp.

Circular EconomyClimate TechConsumerFoodTechOakland, US

Claire Schlemme(Executive Officer, Director)Caroline Cotto(Cofounder)

Co-investorsBread And Butter Ventures, LlcECP GrowthPurple Sage VenturesTechstars

Simpli is an in-kind giving platform that lets large enterprises donate excess and obsolete inventory instead of destroying it, handling categorization, charity matching, logistics, compliance, and impact documentation.

Enterprise SoftwareImpact & Social GoodSaaS

Simplify manufactures fabric and soft goods using proprietary bio-based materials and additive manufacturing techniques that eliminate traditional spinning, weaving, cutting, and sewing processes.

Advanced ManufacturingCircular EconomyCleantechClimate TechNew MaterialsNew York City, US

Co-investorsAt One VenturesJetstreamJuniperTechFoundersTechstarsThe W Fund+5 more

SOLARCYCLE provides recycling services for solar farm components including solar panels, inverters, transformers, cables, and other power electronics, diverting waste from landfills and recovering metals such as silver, copper, gold, and lead.

Circular EconomyCleantechEnergyMesa, US

Suvi Sharma(Co-founder)Jesse Simons(Co-founder)Pablo Ribeiro Dias(Co-founder)Theodore Herhold(Executive Officer)Pablo Diaz(Executive Officer, Director)

Co-investorsUrban InnovationVery Serious VenturesClosed Loop PartnersFifth Wall

Titan is an energy storage technology company developing R&D-driven solutions aimed at changing patterns of energy storage and use.

Advanced ManufacturingAI & Machine LearningCleantechDeep TechEnergySalem, US

Co-investorsSE Ventures

Transcend develops the Transcend Design Generator (TDG), generative design software that uses rules-based automation to produce engineering-grade design packages—3D models, drawings, and documentation—for water, power, and wastewater infrastructure projects.

CleantechConstruction TechSaaSPrinceton Junction, US

Adam Tank(Founder)

Co-investorsChartline Capital PartnersPureTerra VenturesNational Grid Partners

Valerann builds Lanternn, an AI platform for road and motorway operators that fuses data from infrastructure sensors, cameras, connected vehicles, and navigation apps to detect and manage incidents and traffic in real time.

AI & Machine LearningMobility & TransportationSaaS

Co-investors2B.VC

Advanced ManufacturingCleantechGolden, US

Andrew Maxey(Executive Officer, Director)Aaron Parker(Executive Officer)Daniel Flagg(Executive Officer)Sean Kline(Executive Officer)Shari Kennett(Director)J. Scott Pusey(Executive Officer)

Co-investorsAutodesk FoundationBeyond CapitalCircular Innovation FundDiamond Edge VenturesNew Climate VenturesRockies Venture Club+6 more

Voxel offers an industrial intelligence platform that applies AI computer vision to existing IP camera infrastructure to detect safety and operational risks—such as ergonomics, PPE, vehicles, and equipment issues—and turn them into assigned, trackable actions.

Advanced ManufacturingAI & Machine LearningEnterprise SoftwareSan Francisco, US

Tilia Gode(Founder)Troy Carlson(Founder)

Co-investorsMTECH CAPITAL

Wildnote provides an environmental consulting platform that automates manual compliance processes for environmental professionals including scientists, consultants, and regulators.

AgTechClimate TechEnterprise SoftwareGovTechSaaSSan Luis Obispo, US

Kristen Hazard(Founder and CEO)

Co-investorsEntrada VenturesTechstars

ZwitterCo develops zwitterionic membrane technology for industrial and agricultural water treatment and reuse, targeting streams with high organic content that cause fouling in conventional membranes.

Advanced ManufacturingAgTechCleantechClimate TechNew MaterialsCambridge, US

Alex Rappaport(Co-Founder & CEO)in

BoardStephen Remondi(Director)

Co-investorsBantam GroupBURNT ISLAND VENTURESDCVC (Data Collective)Genoa VenturesMunich Re Ventures