Market Reports
May 12, 2025

15 startups focusing on direct air capture, carbon mineralization, and synthetic fuels.

(Est. reading time: 3 mins)

The carbon solutions innovations market is gaining momentum as climate-tech startups, energy companies, and industrial players deploy groundbreaking technologies to capture, utilize, and permanently store carbon dioxide. From direct air capture and enhanced weathering to carbon mineralization and synthetic fuels, these innovations transform CO₂ from a climate liability into valuable products or safely sequester it for good. Enabled by advancements in materials science, electrochemistry, and process engineering, the sector is driving decarbonization across industries. This surge is fueled by policy tailwinds, investor urgency, and global net-zero commitments.

In North America alone, over $22.37 billion has been raised across 413 rounds by just 232 companies we analyzed, with a median maturity of 6 years and a compound annual growth rate (CAGR) in funding of 61.2%.

Below, we’ve curated a list of 15 high-potential companies reshaping carbon management from North American and Canadian locations. Download the full market report to explore the leading technologies and subspaces defining this critical climate frontier.

To map the full space and uncover even more potential startups, request a demo of FounderNest today.

Companies that may catch your eye from this space:

Arca Climate Technologies, Inc.

Arca focuses on carbon mineralization processes, effectively capturing and permanently storing CO₂ as stable minerals.

Headquarter: Vancouver, Canada

Founded: 2021

Headcount: 12

Funding: $16.41M (6 rounds), Seed ($8.0M), Aug 2024

Company website: https://arcaclimate.com

LinkedIn: https://linkedin.com/company/arcaclimate

CO2 Lock

CO2 Lock is focused on carbon mineralization processes, utilizing brucite to permanently lock away carbon dioxide.

Headquarter: Vancouver, Canada

Founded: 2021

Headcount: 3

Funding: $1.1M (1 round), Seed ($1.1M), Sep 2023

Company website: https://co2lockcorp.com

LinkedIn: https://linkedin.com/company/co2-lock-corporation

CREW Carbon

CREW Carbon focuses on carbon mineralization processes through its enhanced weathering technology, which treats wastewater and stores CO2 permanently.

Headquarter: Hamden, United States

Founded: 2022

Headcount: 9

Funding: $5.3M (1 round), Seed ($5.3M), Oct 2024

Company website: https://crewcarbon.com

LinkedIn: https://linkedin.com/company/crew-carbon

Vesta

The company focuses on carbon mineralization processes, utilizing olivine to sequester CO2 permanently.

Headquarter: San Francisco, United States

Founded: 2019

Headcount: 28

Funding: $1.6M (3 rounds), Grant, Jan 2020

Company website: https://vesta.earth

LinkedIn: https://linkedin.com/company/vestaearth

CERT Systems

The company focuses on the development of synthetic fuels and employs technologies for synthetic fuel production from carbon dioxide.

Headquarter: Toronto, Canada

Founded: 2019

Headcount: 13

Funding: $1.4M (2 rounds), Pre-Seed, Jan 2020

Company website: https://co2cert.com

LinkedIn: https://linkedin.com/company/co2cert

Minus Materials

The company focuses on carbon mineralization processes, producing carbon-negative limestone that sequesters CO2.

Headquarter: Boulder, United States

Founded: 2021

Headcount: 3

Funding: $275K (1 round), Pre-Seed ($275K), Aug 2022

Company website: https://minusmaterials.com

LinkedIn: https://linkedin.com/company/minus-materials

Prometheus

The company focuses on direct air capture technologies and is involved in the development of synthetic fuels.

Headquarter: San Mateo, United States

Founded: 2018

Headcount: 36

Funding: $150K (3 rounds), Series B, Sep 2021

Company website: https://prometheusfuels.com

LinkedIn: https://linkedin.com/company/prometheusfuels

Hyperion Global Energy

The company focuses on carbon mineralization and carbon utilization innovations, converting CO2 into solid minerals and valuable products.

Headquarter: Ottawa, Canada

Founded: 2016

Headcount: 1

Funding: $2.12M (3 rounds), Seed ($2.0M), Mar 2021

Company website: https://hyperionenergy.ca

LinkedIn: https://linkedin.com/company/tandem-technical

Oxylus Energy

The company is focused on the production of synthetic fuels and innovations in carbon utilization, converting captured CO2 into valuable products.

Headquarter: New Haven, United States

Founded: 2023

Headcount: 4

Funding: $4.5M (1 round), Seed ($4.5M), Sep 2024

Company website: https://oxylusenergy.com

LinkedIn: https://linkedin.com/company/oxylus-energy

Carbotura

The company focuses on direct air capture of CO2 and develops technologies that utilize captured carbon to create valuable materials.

Headquarter: Naples, United States

Founded: 2014

Headcount: 6

Funding: $300K (1 round), Pre-Seed ($300K), Jul 2022

Company website: https://carbotura.com

LinkedIn: https://linkedin.com/company/carbotura

EDAC Labs

EDAC Labs is focused on technologies for direct air capture of carbon dioxide, which aligns with the requirements for direct air capture and direct air capture technologies.

Headquarter: Baltimore, United States

Founded: 2022

Headcount: 8

Funding: $3.0M (1 round), Seed ($3.0M), Aug 2023

Company website: https://edaclabs.com

LinkedIn: https://linkedin.com/company/edac-labs

TerraFixing

The company focuses on direct air capture technologies, utilizing innovative methods to extract CO₂ from the atmosphere.

Headquarter: Ottawa, Canada

Founded: 2020

Headcount: 4

Funding: $1.17M (2 rounds), Seed ($1.17M), May 2024

Company website: https://terrafixing.com

LinkedIn: https://linkedin.com/company/terrafixing

Wren

Wren focuses on carbon mineralization and employs enhanced weathering techniques to capture atmospheric CO2.

Headquarter: San Jose, United States

Founded: 2019

Headcount: 420

Funding: $8.25M (4 rounds), Seed, Jul 2022

Company website: https://wren.co

LinkedIn: https://linkedin.com/company/project-wren

Clairity Technology

Clairity Technology is focused on direct air capture technologies, actively developing systems to remove carbon dioxide from the atmosphere.

Headquarter: Los Angeles, United States

Founded: 2022

Headcount: 8

Funding: $6.75M (1 round), Seed ($6.75M), Feb 2024

Company website: https://clairitytech.com

LinkedIn: https://linkedin.com/company/clairity-tech

SkyNano

SkyNano focuses on direct air capture technologies and develops innovations that utilize captured carbon dioxide as a feedstock for producing valuable materials.

Headquarter: Knoxville, United States

Founded: 2017

Headcount: 8

Funding: $4.87M (5 rounds), Grant ($1.65M), Aug 2024

Company website: https://skynanotechnologies.com

LinkedIn: https://linkedin.com/company/skynano

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