AGG Biofuel
United States
Converting CO2 and other carbonaceous inputs into syngas for use in transportation fuels, power generation, process heat, and added-value products.
The Air Company
Canada and United States
Converting CO2 to ethanol to make carbon-neutral alcoholic beverage products. https://aircompany.com/
Algenol Biofuels
United States
Converting algae biomass into a variety of sustainable products, such as fertilizer, colorants, and nutritional supplements. http://algenol.com/
BioBTX
Netherlands
Converting sustainable feedstock and plastic waste to BTX aromatics. https://biobtx.com/
Blue Planet
United States
Capturing and converting CO2 into aggregates for building and highway materials via a carbon-mineralization process. http://www.blueplanet-ltd.com/
C2CNT
Canada and United States
Capturing CO2 from the atmosphere or from industrial flue stacks and converting it into carbon nanotubes via electrolysis. http://www.c2cnt.com/
C4X
China, Canada, and United States
Capturing CO2 from industrial flue gas sources to make ethylene carbonate, ethylene glycol, methanol, and low-density foams. http://www.ccccx.net/en/index.asp
Carbicrete
Canada
Making high-quality, carbon-negative concrete out of steel slag (a by-product of the steelmaking process) and CO2. http://carbicrete.com/
Carbon Clean Solutions
United Kingdom, India, and United States
Providing low-cost CO2-separation technology for industrial and gas treating applications. https://carboncleansolutions.com/
CarbonCure
Canada
Injecting industrial waste CO2 into ready-mixed concrete and concrete masonry to enhance their quality, while sequestering carbon. https://www.carboncure.com/
Carbon Engineering
Canada
Capturing CO2 from air to deliver a purified compressed stream of CO2, as well as converting CO2 into synthetic transportation fuels. http://carbonengineering.com/
Carbonfree Chemicals
United States
Capturing CO2 from industrial flue gases and converting it into solid carbonate materials to create products such as sodium bicarbonate (baking soda), hydrochloric acid, caustic soda, and household bleach. http://www.carbonfreechem.com/
Carbon Recycling International
Iceland
Capturing CO2 released by a geothermal power plant and converting it to methanol, using renewably generated electricity and hydrogen. http://www.carbonrecycling.is/
Carbon Upcycling Technologies
Canada
Converting CO2 with waste products, such as fly ash, graphite, coal, or pet coke, to create nanoparticles that are used to enhance the performance of concrete, plastic, and coatings. http://carbonupcycling.com/
Catalytic Innovations
United States
Converting CO2 into high-purity alcohols via electrochemistry. http://www.catalyticinnovations.com
Climeworks
Switzerland
Removing and concentrating CO2 from thin air via a cyclic heating filtration system. http://www.climeworks.com/
Connovate
Denmark and Philippines
Making long-lived building construction panels, using less cement. https://www.connovate.com/
Cool Planet
United States
Sequestering CO2 to make biochar-based products that are used to improve soil quality and enhance plant growth. https://www.coolplanet.com/
CO2 Solutions
Canada
Capturing and purifying CO2 from industrial sources for reuse, conversion, or storage. https://co2solutions.com/
Covestro
Germany
Manufacturing polyols out of CO2 to create foam products. https://www.co2-dreams.covestro.com/
Dimensional Energy
United States
Converting CO2 into polymers and chemical intermediaries via photochemistry. https://www.dimensionalenergy.net/
DyeCoo
Netherlands
Using recycled CO2, instead of water, as the dyeing medium to provide clean textile-processing solutions on an industrial scale. http://www.dyecoo.com/
Ecoera
Sweden
Sequestering carbon-rich agricultural residues to produce biochar used for soil enhancement. https://ecoera.se/
Econic Technologies
United Kingdom
Producing polyols by reacting CO2 with epoxides to manufacture a range of sustainable polymer products. http://econic-technologies.com/
Electrochea
Germany and Denmark
Converting CO2 to natural gas via biocatalysis, using electricity. http://www.electrochaea.com/
Enerkem
Canada
Converting non-recyclable waste to biofuels and chemicals. https://enerkem.com/
Global Thermostat
United States
Capturing and purifying CO2 directly from the atmosphere, as well as from industrial flue streams, using only steam and electricity. https://globalthermostat.com/
Green Minerals
Netherlands
Capturing and converting CO2 into concrete, paper, and polymers via a mineralization process. http://www.green-minerals.nl/
INERATEC
Germany
Converting CO2 into syngas, methane, and liquid fuels, such as methanol. https://ineratec.de/
Innovator Energy
United States
Capturing CO2 from flue gas, using power-plant condenser water. https://innovatorenergy.com/
Kiverdi
United States
Converting CO2 into high-value oils, nutrients, and bio-based products, using a biocatalytic process involving hydrogenotrophs, organisms that metabolize hydrogen. https://www.kiverdi.com/
LanzaTech
Global
Converting CO2 into ethanol, jet fuel, and a variety of chemicals, using a biocatalytic process based on gas-fermenting organisms. http://www.lanzatech.com/
Liquid Light
United States
Converting CO2 into a variety of industrial chemicals, using an electrochemical process. http://llchemical.com/
Mango Materials
United States
Converting methane gas emissions from waste facilities into biopolymers, using a microbial process. http://mangomaterials.com/
Net Power
United States
Converting fossil fuels into electricity in a zero-emission process at a lower cost than that of existing power plants. https://www.netpower.com/
Newlight Technologies
United States
Capturing and converting CO2 from industrial sources to make bioplastics, using a biocatalytic process. https://www.newlight.com/
Opus12
United States
Converting CO2 to fuels and chemicals, using electrocatalysis. https://www.opus-12.com/
Photanol
Netherlands
Converting CO2 to organic acids for the production of a range of biochemical products, using genetically modified cyanobacteria and sunlight. https://www.photanol.com/
PhotoSynthetica
United Kingdom
Developing building-cladding systems that convert CO2 to biomass, using algae. https://www.photosynthetica.co.uk/
Plasco Conversion Technologies
Canada
Using recycled heat to gasify industrial waste, which is then converted to syngas. http://plascotechnologies.com/
Pond Technologies
Canada
Converting CO2 to valuable algae-based products using bioreactors coupled with LED lighting systems. https://www.pondtech.com/
SkyMining
Sweden
Capturing CO2 from the atmosphere in the form of biomass, which is then converted to biofuel. https://www.skymining.com/
Skytree
Netherlands
Capturing and converting CO2 directly from the atmosphere into methanol, using biocatalytic processes on both small and large scale. https://www.skytree.eu/
Solidia Technologies
United States
Sequestering CO2 by using it as an additive to enhance the performance of concrete. http://solidiatech.com/
Solistra
Canada
Converting CO2 to chemicals and fuels by gas-phase heterogeneous photocatalysis. http://www.solistra.ca
Sunfire
Germany
Converting CO2 and renewably generated H2 into syngas, and subsequently into synthetic natural gas, liquid fuel, and other chemical products, using electricity. https://www.sunfire.de/en/
Syzygy Plasmonics
United States
Developing photocatalysts and photocatalytic reactors to enable different high-value products, with a focus on hydrogen production. http://plasmonics.tech/
TerraCOH
United States
Using CO2 as a geothermal working fluid in lieu of water for lower-cost, higher-efficiency geothermal electricity production. http://www.terracoh-age.com