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44 tracked investments · listed companies and verified rows first

Precision DrillingNYSE: PDS

Drilling contractor participating in fuel and power efficiency field testing of rig power systems.

Qube Technologiesqubeiot.comin𝕏✓ verified

Qube IoT provides continuous emissions monitoring systems for industrial sites, measuring multiple air quality compounds and enabling operators to track environmental compliance and operational performance.

CleantechClimate TechIoTCalgary, CA

Tej Grewal(Co-founder)

AltoMaxx

Drone service provider with drone-based methane sensors for leak detection in natural gas facilities.

Anesi

Developing an integrated single-box hybrid unit to replace furnaces, boilers, air-conditioners, and water heaters with higher energy efficiency.

Anodyne

Enzyme-based reactor converting harmful emissions into low-carbon fuels and specialty chemicals.

ARIX

Develops and operates robots for pipe corrosion detection in the oil and gas industry.

BKR Energy

Developing smart fuel-switching controllers for cost-effective hybrid HVAC systems.

Carbon Upcycling Technologies

Developing a carbon capture membrane to remove CO2 from natural gas power plant flue emissions.

CarboNet

Advanced chemistry for industrial wastewater treatment, reducing chemical use and improving water performance.

Carbonovacarbonova.cominNov 2025 · $6M

Carbonova uses a patented catalytic process to convert captured CO2, methane, and waste heat from manufacturing emissions into carbon nanomaterials.

CleantechClimate TechNew MaterialsCalgary

Mina Zarabian(CEO)Chris Cornille(Executive)Susannah Robinson(Talent/Organizational Lead)Todd Pugsley(Technical/Operations Lead)

BoardMichael Wellwood(Managing Director, 88 Street Capital)Susan Riddell Rose(Director)

Co-investorsCreative Destruction Lab (CDL)Foresight

CHAR

SulfaCHAR production system that removes toxic H2S from biogas.

CHAR Technologieschartechnologies.comin𝕏

CHAR Tech develops high-temperature pyrolysis technology that converts woody materials and organic waste into renewable energy (natural gas and hydrogen) and biocarbon products.

Circular EconomyCleantechClimate TechEnergyToronto, CA

Convrg Innovations

Remote power generation company whose EPOD product eliminates methane emissions from pneumatic devices.

Effect Home Builders

Retrofitted a net-zero, off-grid office space using clean technologies and natural gas.

Ekona

Developed a Pulse Methane Pyrolysis platform for low-cost, scalable industrial hydrogen production with reduced CO2.

Ekona Powerekonapower.comin

Ekona Power develops methane pyrolysis technology to produce clean hydrogen and carbon black while reducing greenhouse gas emissions from natural gas.

CleantechClimate TechEnergyBurnaby, CA

Jackie Hesketh(CEO)Dejan Sparica(COO)inGary(Chief Commercial Officer)Marty Reed(Director)Chris Reid(Executive Officer, Director)Nigel Jervey(Director)

Co-investorsCDP Venture CapitalMitsui & Co

Enersion

Adsorption-based green cooling technology for integrated quad-generation (electricity, cooling, heating, CO2).

Ensign

Drilling contractor participating in fuel and energy efficiency field testing of rig power systems.

Etalimetalim.com

Etalim builds the 1GEN, a thermo-acoustic power generator that produces electricity from field gas, natural gas, or propane with no sliding or rotating parts in its core engine.

CleantechEnergyHardwareBurnaby, CA

Maarten Elferink(CEO)Thomas Steiner(CTO)

G4 Insightsg4insights.com

G4 Insights produces renewable natural gas from wood waste using a proprietary low-temperature pyrolytic process, targeting applications in power generation and transportation fuel.

AgTechCleantechClimate TechEnergyBurnaby, CA

Galatea

SaaS for logistics optimization of wastewater disposal using geospatial algorithms.

Galatea Technologiesgalateatech.comin

Galatea provides a technology platform for the energy industry to digitalize, optimize, and automate transportation and logistics workflows for waste, water, and commodity operations.

EnergyLogistics & Supply ChainSaaS

Co-investorsForesight

GHG Satghgsat.comin𝕏

GHGSat monitors greenhouse gas emissions at the facility level using a dedicated satellite constellation and aircraft sensors, providing independent emissions data and analytics.

CleantechClimate TechEnterprise SoftwareSpace TechMontreal, CA

Stéphane Germain(Founder, President & CEO)in

Co-investorsClimate InvestmentSpace CapitalYaletown Partners

Hiller Truck

Installing CNG dual-fuel systems on heavy-duty engines to displace diesel and cut emissions.

Hiller Trucker

Optimizing combustion by displacing diesel with natural gas and RNG to cut emissions.

HOMY

Hybrid technology combining gas absorption and air source heat pumps with smart energy controls.

Hydrogen Optimizedhydrogenoptimized.comin

Hydrogen Optimized builds RuggedCell alkaline electrolyzers based on Stuart unipolar technology, designed for durability of 25+ years without stack replacements and to withstand renewable power start/stop cycles.

CleantechEnergyHardwareOwen Sound, CA

Andrew Stuart(Co-founder)

Innovative Fuel Systems

Dual-fuel technology enabling heavy-duty truck engines to displace up to 50% of diesel with natural gas.

Ionada

Membrane contactor-based carbon capture systems for small to mid-size industrial emitters.

Ionomrionomr.comin𝕏

Ionomr Innovations develops ion exchange membranes and polymers, including anion exchange membranes (AEM) and hydrocarbon proton exchange membranes (PEM), used in hydrogen generation, fuel cells, CO2-to-fuel conversion, and chemical recovery for heavy industry.

CleantechEnergyNew Materials

Co-investorsPallasite Ventures

Kinitics

Developer of shape memory alloy linear actuators and piston pumps that reduce methane emissions at well sites.

Kinitics Automationkiniticsautomation.comin𝕏

Kinitics Automation builds all-electric valve actuators, linear actuators, and piston pumps using Shape Memory Alloy (SMA) technology to replace methane-venting pneumatic actuators used at natural gas well sites.

CleantechEnergyHardwareVancouver, CA

Co-investorsSFU VentureLabsWUTIF Capital

Kuva

Methane monitoring provider using short-wave infrared cameras to detect hydrocarbon emissions in real time.

Co-investorsClimate Innovation Capital

LelantosDec 2016

New York-based developer of miniaturized semiconductor gas sensors for IoT air-quality and safety applications.

Chandler, US

James R Small(Executive Officer, Promoter)

LSI

Aerial sensing provider using thermal infrared hyperspectral imaging to identify and quantify gas leaks.

Luxmux

Manufacturer of emission monitoring systems including the ARMS Smartpole multi-gas detection system.

Marathon

Maker of the KL8 instrument air and power unit for gas well sites.

Packair Industries

Developed a compact, efficient 10-piston air compressor for remote oil and gas well sites.

Saltworks

AirBreather pilot uses excess heat from natural gas production to treat produced water on-site.

Solistra Corporation

Green photocatalytic process converting CO2 and methane into synthesis gas using solar-activated nanomaterials.

Spartan

Smart tank pressure control equipment to monitor and minimize emissions from liquid storage tanks.

Stone Mountain TechnologiesOct 2022

Piney Flats, US

Michael Garrabrant(Executive Officer, Director)Sandra Garrabrant(Executive Officer)Matthew Bisgyer(Director)

BoardMorrison J. Carter(Director)Lindsay Luger(Director)James Laurito(Director)

ThermoLift

Thermal compression heat pump combining heating, cooling, and hot water in a single appliance using the Hofbauer Cycle.

Validerevalidere.comin𝕏

Validere provides data clarity and analytics into physical and environmental commodities in the energy supply chain.

Advanced ManufacturingClimate TechData & InfrastructureEnergyEnterprise SoftwareSaaSHouston, US

Nouman Ahmad(Founder/CEO)inIan Burgess(Co-Founder, President and CTO)inIan Burgess, Ph.D.(Co-Founder, President & Chief Technology Officer)Caelum Kamps(Chief Operating Officer (also reported as VP, Product & Services))Matthew Goldsilver(VP, Finance)Jana Shelford(VP, Talent and Culture)

Co-investorsBlackRockCathexis VenturesGreylock PartnersMoment Ventures, LlcWingY Combinator+1 more

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.