8 Rivers Capital
Durham, NC, United States (USA)
AirMyne
Berkeley, CA, United States (USA)
Aircapture LLC
Berkeley, CA, United States (USA)
Aircela Inc
New York, United States (USA)
Airhive
London, United Kingdom
AspiraDAC
Sydney, Australia
BlancAir DACMa GmbH
Hamburg, Germany
Capture6
Berkeley, United States (USA)
Carbominer
Kyiv, Ukriane
Carbon Blade
Pittsburgh, United States (USA)
Carbon Reform
Newark, United States (USA)
CarbonCapture Inc
Los Angeles, CA, United States (USA)
Carbyon
Eindhoven, Netherlands
Clairity Technology Inc.
Culver City, CA, United States
Climeworks AG
Zurich, Switzerland
Global Thermostat
New York, United States (USA)
Greenlyte Carbon Technologies GmbH
Essen, Germany
Hago Energetics, Inc.
Camarillo, CA, United States (USA)
Heirloom Carbon
San Francisco, United States (USA)
Mission Zero Technologies
London, United Kingdom
NEG8 Carbon
Waterford, Ireland
NeoCarbon GmbH
Berlin, Germany
Nordic DAC Group
Sundsvall, Sweden
Noya
San Francisco, United States (USA)
Octavia Carbon
Nairobi, Kenya
Origen Carbon Solutions
United Kingdom
Parallel Carbon Limited
Ingatestone, United Kingdom
RedoxNRG OÜ
Estonia
Removr
Lysaker, Norway
RepAir Carbon Capture
Mevo Carmel Science and Industry Park, Israel
Skytree
Amsterdam, Netherlands
Soletair Power
Lappeenranta, Finland
Spiritus
Los Alamos, NM, United States
Sustaera
Cary, North Carolina, United States (USA)
TerraFixing Inc.
Canada
Thalo Labs
Brooklyn, United States (USA)
Ucaneo
Berlin, Germany
Zero Carbon Production, LLC
New York City, United States (USA)

Carbyon
Carbyon was founded in 2019. The company develops a fast-swing machine to capture CO2 from air. Carbyon is a start-up company with 13 people. Carbyon works together with a number of universities and research organizations in Belgium and The Netherlands. The machine is developed in close collaboration with major machine manufacturing companies from the microelectronics industry.
http://www.carbyon.com
Sustaera
Sustaera has developed a Direct Air Capture (DAC) of CO2 technology solution powered entirely by carbon-free electricity using an abundantly available, low-cost capture agent (alkali metal based) in a modular design that can work in any geographic location in a wide range of ambient temperatures and humidities. Our engineered solution for DAC provides a platform technology for gigatons of CO2 removal and permanent storage.
http://www.sustaera.com
Parallel Carbon Limited
Parallel Carbon is an early-stage startup building affordable direct air capture technology relying only on wind, sunshine, and abundant minerals. By leveraging massive, existing supply chains, project development is simplified and repeatable, unlocking gigaton scale. Parallel Carbon’s low capital costs and reliance on clean electrons enables integration with intermittent renewable power – perfectly aligned with a net-zero future. Decarbonize and remove carbon, in Parallel.
http://parallelcarbon.com
Noya
Noya is on a mission to accelerate the world’s transition to carbon negativity. Founded in 2020 by CEO Josh Santos and CTO Daniel Cavero, with a goal to ensure a healthy planet for generations to come, Noya has developed a scalable, cost-effective Direct Air Capture approach using abundant materials.
https://www.noya.co/
Skytree
Skytree’s DAC technology revolves around scalable, carbon removal products that increase power efficiency whilst improving air quality. Our patented CO2 removal process was first developed for the air scrubber onboard the International Space Station. This would go on to become the basis of the filtration system that we are now implementing into electric cars called Ersa and validating for other business cases.
https://skytree.eu/
Aircela Inc
Aircela is a micro-DAC to e-fuels startup. We’re developing a fridge-sized device to capture C02 from the air and make a gallon of gas a day. We’re based in Manhattan and will have products on the market by 2022.
https://aircela.com/
RedoxNRG OÜ
The RedoxNRG team has developed an advanced carbon capture system that pulls carbon dioxide directly from the air and provides it as a feedstock for high-value products.
http://www.redoxnrg.com
Global Thermostat
Formed in 2010, Global Thermostat (GT) is commercializing its advanced, multi-patented technology to transform carbon dioxide from a global liability into an opportunity for global prosperity. Using its proven, breakthrough technology, GT economically captures and concentrates CO2, enabling its profitable re-use across multiple large & growing industries – including materials which sequester the CO2, which is needed to address climate change.
https://globalthermostat.com/
BlancAir DACMa GmbH
We manufacture and sell machines that capture CO2 from the ambient air (DAC). The ambient air is fed into the machine, the CO2 it contains is separated and kept ready for further use for example as a valuable raw material for the production of powerfuels.
https://www.blancair.com
Carbon Blade
Carbon Blade is pioneering a DAC solution to provide stand-alone and small-footprint modules that combine distributed, renewable-powered electrochemical separation for carbon dioxide removal from ambient air. The technology is based on a three-step carbon capture reaction resulting in lower regeneration costs. Given Carbon Blade’s distributed focus, the units are compact, self-contained, scaleable, and capable of rapid deployment and re-positioning with minimal environmental impacts.
http://www.carbon-blade.com
TerraFixing Inc.
TerraFixing is a DAC utilizing adsorbents to capture and concentrate CO2 from cold dry climates
https://www.terrafixing.com/
Hago Energetics, Inc.
Our mission is to contribute to reversing the direction of the Keeling curve.
http://hagoenergetics.com/
Carbon Reform
Modular carbon capture and indoor air quality control for commercial buildings
http://www.carbonreform.com
NeoCarbon GmbH
REVERSING CLIMATE CHANGE
DOING DIRECT AIR CAPTURE WITH COOLING TOWERS



Nordic DAC Group
Nordic DAC Group offers high-quality permanent carbon removal certificates, removing unavoidable, hard-to-reduce, and historical CO2 emissions. The service contains advance purchases of Direct Air Capture credits to accelerate companies’ race toward net-zero and beyond. Sold credits are allocated in a to be built Norwegian DAC plant, developed by Carbon Removal AS, and will remove 0.5 to 1 megaton of CO2 per year from the atmosphere to be permanently stored away under the Norwegian sea.
https://www.directaircapture.com/
Heirloom Carbon
Heirloom leverages the natural properties of abundant minerals to develop the world’s most cost-effective, scalable direct air capture system. Our unique combination of a modular system, low-cost inputs, and simple mineralization process will unlock a fast track to removing 1B tons of CO2 from the atmosphere by 2035.
https://www.heirloomcarbon.com/
Climeworks AG
Climeworks AG is a leading Swiss direct air capture company, striving to inspire 1 billion people to remove CO2 from the air. Climeworks captures the CO2 directly from the atmosphere for either safe and permanent geologic storage for carbon dioxide removal or as a sustainable CO2 feedstock. Its modular technology runs exclusively on clean energy and can be scaled effectively. Customers include Microsoft, Swiss Re, and BCG, among others, making it a leading leader in direct air capture.
https://climeworks.com/
RepAir Carbon Capture
RepAir develop a highly efficient, modular, and scalable DAC solution. We separate CO2 from the air using our novel electrochemical cell-based technology that requires only 650 KWh/tCO2 removed from the air.
https://repair-carbon.com/
Mission Zero Technologies
A low energy DAC provider with 2 plants to be in commercial prodution in 2023 including the X Prize winning Project Hajar (project-hajar.com)
https://www.missionzero.tech

Octavia Carbon
East African DAC project developer & low-cost manufacturer, initially focused on a deep market for CO2-enriching greenhouses in the region, where DAC can add commercial value at >$100m/yr scale. Also focused on bringing East Africa’s geological CO2 storage potential online, and on creating the world’s lowest-cost DAC-CDR deployments by partnering with leading DAC technology developers.
https://www.octaviacarbon.com/
Airhive
Airhive is building a fast and flexible direct air capture system using a novel reactor and nano-active capture materials.
https://airhive.earth/
Ucaneo
At Ucaneo Biotech we develop the world’s first cell-free Direct Air Capture technology leveraging a biocatalytic membrane to capture CO2 from the air. Climate change is a global problem and needs to be tackled at scale. Therefore, we set the goal to capture 0.5 GT of CO2 from the air by 2035 – roughly the same weight as all humans on earth combined!
https://www.ucaneo.com/
CarbonCapture Inc
CarbonCapture is a US-based climate technology company that develops modular DAC machines that filter carbon dioxide out of the atmosphere. The company also develops large-scale carbon removal projects using its proprietary DAC technologies, generating high-quality carbon removal credits for companies with net zero goals that seek to offset their hard-to-abate emissions. DAC-sourced carbon removal credits are the gold standard in offsets: measurable, verifiable, and permanent.
https://www.carboncapture.com/
Carbominer
Carbominer develops an efficient and sustainable technology to capture CO₂ locally from the ambient air to help companies transit to sustainable operations and reach net-zero goals. Carbominer’s main competitive advantages are the ability to set the affordable price per ton of CO₂ due to the transportability of the capturing modules, usage of electrochemistry for CO₂ regeneration and ability to harness the intermittent renewable energy.
https://carbominer.com/
Capture6
Capture6 deploys permanent direct air capture solutions that create benefits for people and the planet. Our approach can be implemented at scale today by repurposing existing commercial technologies. We seek gigaton removal annually within 20 years to contribute to climate change solutions. As a Public Benefit Corporation, we prioritize our mission to increase global carbon capture while growing our business.
https://capture6.org/
AspiraDAC
Australia-based DAC project developer focusing on modular solar-powered Direct Air Capture units.
https://www.aspiradac.com/
Thalo Labs
Thalo Labs makes it easy to measure and mitigate greenhouse gas emissions in the built environment
https://thalolabs.com/
Greenlyte Carbon Technologies GmbH
GCT are working on a low energy DAC approach with the capability of producing CO2 at 600kWh per ton putting it well below 100€ as well as generating hydrogen as byproduct The technology is based on 15 years of research with relevant patent applications filed and working prototypes.
https://www.greenlyte.tech/
Removr
Removr is a Norwegian Direct Air Capture (DAC) company that aims to scale carbon removal to help reduce global warming. Leveraging the best available technology, unique Nordic advantages, and a world-class team and partners, Removr’s ambition is to build the world’s first 1-million-ton solid sorbent DAC plant and become a global leader in carbon removal. Removr is owned by Vanir Green Industries, a Nordic investment company committed to driving the energy transition, and GreenCap Solutions.
https://www.removr.no/
8 Rivers Capital
8 Rivers Capital, LLC is a Durham, NC-based firm leading the invention and commercialization of sustainable, infrastructure-scale technologies for the global energy transition.
https://8rivers.com/
Origen Carbon Solutions
Origen’s zero-carbon process reimagines the production of lime, a mineral that naturally removes CO2 from the atmosphere. Used in everything from cement and steel production to soil amendments and water filters, lime touches our lives in many ways but remains highly carbon-intensive to make. Origen’s zero-carbon lime process, combined with the mineral’s ability to absorb CO2 with no energy applied, unlocks the mineral’s potential to remove billions of tons of CO2 directly from the air or oceans.
https://origencarbonsolutions.com/
Spiritus
Spiritus is a carbon removal service provider with an innovative solution to direct air capture’s fundamental problem: cost.
https://spiritus.com/
NEG8 Carbon
NEG8 Carbon (formerly known as Trinity Green Energies) specializes in extracting CO2 from the atmosphere using advanced Direct Air Capture (DAC) technology, aiming to contribute to the reversal of climate change. The company originated as a spin-out from carbon capture research conducted at Trinity College Dublin in 2014.
As recognized leaders in the field of Direct Air Capture (DAC), NEG8 Carbon has an impressive track record, including the successful operation of the first-scale pilot project (capturing 1 tonne of CO2 per year) in Waterford, Ireland, which was validated in early 2023. Currently, the team is focused on scaling up their technology to full-scale commercial units, slated to be launched in 2024.
NEG8 Carbon collaborates closely with companies in the Food, Beverage, Energy, and Data Centers sectors to provide modular and scalable DAC solutions capable of capturing thousands of tonnes of CO2 annually. The company’s upcoming phase involves integrating its DAC technology with various storage solutions, such as underground sequestration or utilizing CO2 as a permanent additive to construction materials, to achieve permanent removal of CO2.

Clairity Technology Inc.
Clairity Technology develops low-cost and scalable systems to perform direct air capture of CO2. We utilize low-cost and abundant materials to remove CO2 and generate low-purity CO2 streams. Clairity is rethinking how direct air capture can be performed, which will result in dramatic reductions in capital expense, improved energy efficiency, and accelerated scalability. These low-purity CO2 steams can be durably sequestered using a range of approaches.
https://www.clairitytech.com/
Zero Carbon Production, LLC
Zero Carbon Production is a direct-air capture company that combines well-established monolith/sorbent core technology with an innovative and highly scalable engineering design to achieve capital and energy efficiency and low cost/tonne over time.
https://www.zerocarbonproduction.com/