BURNT ISLAND VENTURES — Full Portfolio

Flocean AS manufactures subsea desalination systems that convert seawater to freshwater using deep ocean water at depths of 500 meters, designed to minimize environmental impact compared to conventional desalination plants.

CleantechClimate TechDeep TechImpact & Social GoodStavanger, IT

AFAlexander Fuglesang(Founder & CEO)in

Co-investorsNYNysnø Climate InvestmentsOROrion Protocol

LAIIER develops sensor-based leak detection solutions for commercial buildings and industrial equipment, helping property operators, insurers, and facilities managers prevent water damage and reduce downtime.

Climate TechConstruction TechEnterprise SoftwareIoTPropTechLondon

MJMatt Johnson(Executive Officer, Director)inBibiana Nelson(Executive Officer)Colin Nunn(Executive Officer)in

BoardFaisal Al-Husssein(Director)Zena Bruges(Director)Alyssa Bryan(Director)

Co-investorsMUMundi VenturesVIVirta VenturesCLClosed Loop Partners

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

Mansfield, US

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

BoardJiten Manglani(Director)

Board seatTFTom FergusonWBWayne Byrne· per SEC Form D

Co-investorsDCDCVC (Data Collective)ECEcho River CapitalHGHG VenturesMAMassVenturesTHThe Alchemy Fund

Aqua Membranes makes precision-printed elements for industrial reverse osmosis (RO) systems, designed to increase production, lower energy costs, reduce cleaning cycles, and improve recovery without retrofits.

Advanced ManufacturingCleantechHardwareNew MaterialsAlbuquerque, US

RHRodney Herrington(Founder)inCBCraig Beckman(CEO)inCKChristopher Kurth(Chief Technology Officer)inRick Sanders(Director)Michael Reardon(Director)Stuart Schoenmann(Director)

Board seatSKSteve Kloos· per SEC Form D

Co-investorsCLClean Energy VentureCLClean Energy VenturesHEHelios Climate VenturesMIMicron VenturesNONovaCapitalCYCycle Capital

AquiSense develops UV-C LED water disinfection systems that treat water without chemicals, serving homes, factories, restaurants, remote communities, and space applications.

CleantechDeep TechHardwareKentucky, US

OLOliver Lawal(President & CEO)inStuart Bauman(CFO/Treasurer)inJennifer Pagán(CTO)in

Board seatSKSteve Kloos· per SEC Form D

Co-investorsKEKeyhorse Capital

Longmont, US

Rose Nash(Executive Officer, Director)

PartnerTFTom Ferguson· quoted

Board seatSKSteve Kloos· per SEC Form D

Co-investorsBABaruch Future VenturesDEDeepWork CapitalANAntler

Daupler develops a response management platform for utilities, public works, and service organizations to manage service requests and emergency situations more efficiently.

Enterprise SoftwareGovTechRoboticsSaaSKansas City, US

JBJohn Bertrand(Founder and CEO)Ryan Rosenbaum(CTO)inChad Featherin

BoardJiten Manglani(Director)

Board seatTFTom Ferguson· per SEC Form D

Co-investorsKCKCRise FundKNKnoll VenturesRERevolutionRURunway Venture PartnersSASandalphon CapitalSEService Provider Capital+1 more

2S Water manufactures AquaValid, a real-time water analyzer that continuously measures dissolved metals in process water using optical-emission spectroscopy technology.

CleantechClimate TechHardwareIoT

Co-investorsCRCreative Destruction Lab (CDL)FOForesight CanadaSTStartup TNT

Aclarity develops proprietary technology to break down PFAS (per- and polyfluoroalkyl substances) compounds using electricity, offering an alternative to traditional disposal methods that involve landfilling or incineration.

CleantechClimate TechHardware

Michael Shaw(President and Chief Executive Officer)in

Co-investorsECEcho River CapitalHGHG VenturesMAMaroon Venture Partners FundMAMassVentures

AlgaFilm develops an algae-based biofilm technology for wastewater treatment that recovers nutrients as a sustainable alternative to conventional treatment methods.

BiotechCleantechClimate TechVancouver, CA

Pierre Côté(President)Ahren Britton(CEO)in

Co-investorsAZAzolla VenturesE8E8 Angels

A publication and information resource serving oil and gas industry associations across the United States.

Data & InfrastructureEnergyMedia & Entertainment

Aquafortus develops energy-efficient treatment technology for high-salinity industrial wastewater, enabling resource recovery at significantly lower costs than conventional desalination methods.

Advanced ManufacturingCleantechClimate TechEnergyNew MaterialsHouston, US

Hoshang(CEO)Dave Allworth(Chief Financial Officer)Richard(Chief Technology Officer)Matt(Chief Operating Officer)

BoardIris Jancik

Co-investorsDCDCVC (Data Collective)NZNZ Growth Capital Partners

Aquatic Labs develops ocean instrumentation and marine analytical technology, drawing on expertise in oceanographic research and physics.

CleantechClimate TechDeep TechHardwareIoT

AAAllan Adams(Founder & CEO)in

Co-investorsFUFuture Planet CapitalPRPropeller VC

Beagle Services provides water security and plumbing solutions for residential properties, offering automatic shutoff valves, smart water sensors, and leak detection technology installed and maintained by certified plumbers.

IoTPropTechSanta Monica, US

Paul Vacquier(Executive Officer)

Co-investorsREResolute VenturesTOTop Corner CapitalWOWonder Ventures

Bluon provides HVAC-R contractors and service technicians with equipment and parts data plus AI-driven technical support, including nameplate scanning, OEM manuals, wiring diagrams, BOMs, and replacement part information.

AI & Machine LearningData & InfrastructureSaaSIrvine, US

Peter Capuciati(Executive Officer, Director, Promoter)in

BoardDWDevin Whatley(Director)inMatt Case(Director)David Gordon(Director)Chanel Damphousse(Director)

Co-investorsECEcosystem Integrity FundSUSuperSeed VenturesFEFerguson Ventures

Cala manufactures a heat pump water heater designed for residential use that heats water efficiently for households of up to five people.

CleantechEnergyHardwareIoTSomerville, US

MRMichael Rigney(Executive Officer, Director)in

BoardMichael Ting(Director)David Wilson(Director)TFThomas Ferguson(Director)in

Co-investorsCLClean Energy VentureCOCollaborative FundE8E8 AngelsLELeap Forward VenturesCLClimate Capital

CivilGrid consolidates thousands of datasets on underground utilities, land rights, geotech conditions, and other site data into a real-time map for civil engineers, utility operators, and construction teams.

Construction TechData & InfrastructureGovTechSaaS

Josh(Co-founder)Brandon(Co-founder)Brandon Cohen(Founder)Josh Mackanic(Founder)

Co-investors2.2.12 AngelsA*A*AFAfore CapitalANAnorak VenturesENEnergy Impact PartnersSISilent Capital+14 more

CNSRV builds the DC:02, a commercial kitchen appliance that defrosts food without running faucet water, reducing water waste while maintaining food quality and safety compliance.

CleantechFoodTechHardware

DWDylan Wolff(Founder)inAshley Maynard(Founder)in

CREW is a Yale spinout that adds calcium carbonate (ground limestone) to wastewater treatment plants to intensify biological treatment, cut chemical costs, and permanently remove carbon dioxide.

CleantechClimate TechDeep TechNew Haven, US

Joachim Katchinoff(Co-founder & CEO)inNPNoah Planavsky(Co-Founder & Scientific Advisor)in

Co-investorsAPAP VenturesCOConnecticut InnovationsCOCounteract OneECEcho River CapitalEMEmerald Technology Ventures AgPOPonderosa Ventures+4 more

Current Software is a cloud-native billing platform for utilities and municipalities, handling the full billing cycle from meter reads to posted bills, automated past-due collection, and a resident self-service payment portal.

Cloud ComputingGovTechSaaS

Cacique is a food manufacturer that produces Mexican-style cheese products, including shredded and grated varieties.

FoodTechMedia & Entertainment

Co-investorsAVAvestria Ventures

EarthScale is a UK-wide 12-month programme that supports IP-rich climate tech ventures in scaling, navigating manufacturing, and raising Series A funding through technical facilities, enterprise development, talent support, and policy guidance.

CleantechClimate TechDeep Tech

Epoch provides an API suite for supply chain platforms to normalize supplier data, validate facilities and plots, and generate sourcing intelligence including compliance, carbon, water, and biodiversity metrics.

AgTechAI & Machine LearningClimate TechData & InfrastructureLogistics & Supply Chain

JSJinal Surti(Co-founder, CEO)in

Co-investorsMEMercy Corps VenturesALAlphemy CapitalHAHappiness CapitalKOKOMPAS VCLELeitmotifLOLongHash Ventures+3 more

Floodbase offers a parametric insurance platform that uses flood data and near real-time flood event monitoring to help insurers design, price, underwrite, and trigger flood coverage.

AI & Machine LearningClimate TechData & InfrastructureInsurTechBrooklyn, US

BSBessie Schwarz(Founder)inBTBeth Tellman(Founder)in

BoardMarty Schneider(Director)SBSasha Brown(Director)JLJohn Loser(Director)in

Co-investorsCOCollaborative FundECEcosystem Integrity FundFLFloating PointGRGroundForce CapitalLOLowercarbon CapitalMEMercy Corps Ventures+3 more

Higharc provides construction operations management software for homebuilders, offering a single source of truth for plan portfolio management including plans, elevations, options, standards, pricing and sales availability across communities.

AI & Machine LearningConstruction TechPropTechSaaS

MMMarc Minor(Founder)inMBMichael Bergin(Founder)inPBPeter Boyer(Founder)inTHThomas Holt(Founder)in

Co-investorsFIFifth WallFOFounder CollectiveINInsight PartnersJAJavelin Venture PartnersLULux CapitalMEMetaProp+16 more

HOPE Hydration designs and operates free water refill stations that combine filtered, cold drinking water with digital out-of-home advertising screens, funding the network through brand ad revenue.

AdTechCircular EconomyClimate TechHardwareIoT

JRJorge Richardson(Co-Founder & CEO)inCGCristina Gnecco(Co-Founder & COO)inDave Tigue(Co-Founder & Head of Hardware Engineering)in

Independent Agent is a magazine and digital publication that provides insurance industry trends, analysis, and business strategies for property-casualty independent insurance agents and brokers.

InsurTechMedia & Entertainment

Irrigreen manufactures smart in-ground sprinkler systems for residential lawns that use mapping technology to reduce water waste by up to 50% compared to traditional irrigation.

AgTechHardwareIoT

Co-investorsBEBerkeley Angel NetworkECEcho River CapitalMFMFV PartnersSASand Hill AngelsSTStartXTATamiami Angel+3 more

NLine Energy makes the SteamLine Turbine, which generates electricity from excess steam pressure that industrial facilities otherwise waste, reducing operating costs and emissions.

CleantechClimate TechEnergy

Matthew Swindle(Founder)in

Power Almanac provides a contact database of verified decision-makers across 22,000 local governments and 343,000 officials in the United States, with phone verification and role-based targeting for government sales and marketing campaigns.

Data & InfrastructureGovTechMarketing TechSales Tech

Power and Water manufactures custom-built power supply and control panels designed for their Soneco systems, featuring switch-mode technology for energy efficiency and remote monitoring capabilities.

Advanced ManufacturingAI & Machine LearningCleantechClimate TechEnergyHardwareSwansea, GB

Previsico provides a flood forecasting and hydrological monitoring service that predicts and monitors flood risks, including surface water, small streams, and drainage systems often not covered by standard flood alerts.

AI & Machine LearningClimate TechInsurTech

Prof. Yu(Co-founder)DADr Avi Baruch(Co-founder)in

Co-investors2424 HaymarketCOConnecticut InnovationsBLBlueOrchard Finance S AFOForesight Group

SewerAI provides an AI platform for underground infrastructure inspection, turning CCTV and MACP footage into automatically coded defect data, risk scores, and capital rehabilitation plans.

AI & Machine LearningCleantechSaaS

MRMatt Rosenthal(Co-CEO & Co-Founder)inBGBilly Gilmartin(Co-CEO & Co-Founder)inSSSepehr Sobhani(VP of Engineering)inADAbhinoor Dhull(VP of Operations)inDBDave Barden(VP of Sales)MSMatthew Szymanski(Head of Finance)in

Co-investorsEMEmerald Technology Ventures AgINInnovius CapitalBUBuilders VCCECerity Partners VenturesJMJMI EquitySUSuffolk Technologies

Shower Stream develops IoT-enabled showerheads that reduce water and energy consumption for hospitality properties while providing operational data analytics.

CleantechEnterprise SoftwareHardwareIoTPropTech

Co-investorsCHChicago Early Growth Ventures (CEGV)ECEcho River CapitalNENew Stack VenturesNENewlin VenturesSWSWAN Impact NetworkTRTrue Wealth Ventures+1 more

Sønr provides intelligence and analysis on insurance innovation to help business leaders make informed decisions about technology investments and strategy.

Data & InfrastructureEnterprise SoftwareInsurTechSaaSSector Agnostic

Spout builds a countertop machine that generates drinking water from air using electricity and filters, with no plumbing, bottles, or delivery.

CleantechConsumerHardware

CleantechClimate TechSeattle, US

ERErin Rothman(Executive Officer, Director, Promoter)inPat LaPointe(Director)Teri Floyd(Director)

Co-investors9M9Mile LabsE8E8 AngelsNENext Wave ImpactTETechstarsBUBuoyant Ventures Management, LlcGRGratitude Railroad+3 more

Subeca provides smart water metering technology that delivers real-time and hourly meter readings over flexible network options including Amazon Sidewalk, LoRaWAN, and Bluetooth.

CleantechHardwareIoTDallas, US

AMAnne Mushow(Chief Executive Officer)inKGKelly Galway(Chief Product and Technology Officer)inHank McCarrick(Executive Officer, Director)Don E. Whitson(Executive Officer)

SwiftComply provides compliance software that automates administrative workflows and data management for water utilities to help them enforce environmental regulations.

CleantechClimate TechFintechGovTechSaaSDublin, IE

MOMick O'DwyerinMichael O'Dwyer(Founder)

Co-investorsM3M33 GrowthARArts AllianceHOHOWZAT PartnersPRPrefix CapitalTETechstars

TeamSolve builds Knowledge Twin, an AI-powered system that captures and organizes operational data and field work for utility and industrial teams.

AI & Machine LearningEnterprise SoftwareIoTSaaS

RWRobin Wong(Founder)in

Tigeraire makes Air Accelerator wearable cooling devices, such as the Cyclone that attaches to football helmets, to keep users cool through targeted airflow that evaporates sweat.

ConsumerHardwareSports TechRichmond, US

JKJack Karavich(Founder)in

BoardRichard Lipsey(Director)Greg Stringfellow(Director)

Co-investorsGEGeneral Catalyst

Verdi makes irrigation systems smart and automated by connecting controllers to existing valves, pumps, and drip lines for farms.

AgTechAI & Machine LearningClimate TechHardwareIoTSaaS

Co-investorsJEJetstreamWAWaterpoint Lane

VODA.ai provides an AI-based decision support platform that analyzes water pipe and service line health to predict failures, helping water utilities plan maintenance, reduce water loss, and prevent catastrophic pipe failures.

AI & Machine LearningCleantechSaaSBoston, US

JFJim Fitchett(Co-founder of VODA.ai)inGDGeorge Demosthenous(Co-founder)inGeorgios Demosthenous(Executive Officer, Director)

Co-investorsCRCRH VenturesECEcho River Capital

waterloop is a nonprofit news outlet producing documentaries, podcasts, and videos focused on solutions for water sustainability across the United States.

Climate TechImpact & Social GoodMedia & Entertainment

TLTravis Loop(Founder)in

Waterly provides software for water, wastewater, stormwater, and greywater systems operators to manage their infrastructure.

AgTechCleantechClimate TechEnterprise SoftwareGovTechIoTSaaS

CSChris Sosnowski(Founder/Chief Cook and Bottle Washer)inJVJason Vasquez(Founder/Chief Plumber)inMMMichael Murdyin

Co-investorsEMEmerald Technology Ventures Ag

Water & Wastewater Asia is a premium trade magazine published six times annually that covers technology, leadership, products, and projects in the water and wastewater industry.

CleantechImpact & Social GoodMedia & EntertainmentSingapore, SG

Shilpa Alva(Founder and Executive Director)

Boston, US

Co-investorsTETechstars

Ziptility provides operations and asset management software for small water and wastewater utilities, with mobile apps to capture, organize, and analyze field data for maintenance scheduling, GIS mapping, and long-term planning.

GovTechIoTSaaSBloomington, US

JGJim Good(Founder)inJeffrey Buszkiewicz(Executive Officer)Douglas Dayhoff(Director)Tyler Henke(Executive Officer, Director)Steven Naimark(Director)

Co-investorsELElevate VenturesIUIU Ventures

ZwitterCo develops zwitterionic anti-fouling membranes that resist organic fouling for filtration of industrial wastewater and process streams.

Advanced ManufacturingCleantechNew MaterialsCambridge, US

ARAlex Rappaport(Co-Founder & CEO)in

BoardStephen Remondi(Director)

Co-investorsBABantam GroupDCDCVC (Data Collective)GEGenoa VenturesHGHG VenturesWHWhite Shark VenturesEVEvok Innovations+1 more