Company lists · Data refreshed September 2026

Top 25 Negative emissions technology companies worldwide

RevenueBase identified 1,256 company matches for negative emissions technology companies worldwide as of September 2026 and tracks 15,003 professional contacts across them, including 6,683 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for negative emissions technology companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026. Country and city lists for negative emissions technology companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
1,256Companies
15,003Contacts tracked
6,683Verified emails
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The 25 largest negative emissions technology companies worldwide

Ranked by team size
Top 25 of 1,256 company matches for negative emissions technology companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchGurugram, IndiaHQ recorded Sep 20, 2026501-1,000476 contacts →

Exact match

“Chakr Innovation is a pioneering Indian cleantech startup, founded by IIT Delhi graduates, dedicated to revolutionizing air quality with cutting-edge material science technology.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchOpfikon, SwitzerlandHQ recorded Sep 20, 2026201-500435 contacts →

Exact match

“Climeworks is a leading high-quality carbon removal provider, combining decades of expertise in Direct Air Capture (DAC) technology with holistic carbon removal solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchGeneva, SwitzerlandHQ recorded Sep 20, 202651-200406 contacts →

Exact match

“EcoSecurities is a global leader in climate solutions, harnessing the power of nature, technology, and finance to accelerate decarbonisation efforts worldwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchSkokie, IL, United StatesHQ recorded Sep 20, 2026201-500338 contacts →

Exact match

“Our way of life is built on carbon, from our fuel sources to the materials in our consumer products, but we need a more sustainable way to source it to protect the future of our…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Sep 20, 2026501-1,000306 contacts →

Exact match

“With decades of operating history and innovation across our trusted brands, Cimarron provides technology-driven emissions management solutions for the global energy system.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchBurnaby, BC, CanadaHQ recorded Sep 20, 2026201-500284 contacts →

Exact match

“WHAT WE DO We make filters and rotary contactor machines that capture and remove CO2, a greenhouse gas, from industrial emissions and the air.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchLysaker, NorwayHQ recorded Sep 20, 2026201-500243 contacts →

Exact match

“At SLB Capturi, we are dedicated to making carbon capture a reality today.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchItalyHQ recorded Sep 20, 2026501-1,000203 contacts →

Exact match

“NEXTCHEM is MAIRE’s company dedicated to Sustainable Technology Solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 20, 2026201-500200 contacts →

Exact match

“Anew Climate is a global leader of diverse climate solutions, bringing innovative products and services to the public and private sectors to help reduce or offset their carbon…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200188 contacts →

Exact match

“Carbon Clean is the point-source carbon capture expert, driving the decarbonisation of hard-to-abate industries for more than 15 years.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchSquamish, CanadaHQ recorded Sep 20, 202651-200184 contacts →

Exact match

“Carbon Engineering (CE) is a Canadian-based clean energy company leading the commercialization of groundbreaking technology that captures CO₂ directly from air, and a second…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchBangrak, ThailandHQ recorded Sep 20, 2026201-500166 contacts →

Exact match

“BIG - A Climate Tech Company - is a leader in industrial gas and greenhouse gas reduction technology.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-200155 contacts →

Exact match

“CleanChoice Energy is a cleantech company that empowers people and businesses to easily access climate solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchEnniskerry, United StatesHQ recorded Sep 20, 202651-200133 contacts →

Exact match

“CoolPlanet is a global leader in industrial-scale decarbonisation.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchCalgary, AB, CanadaHQ recorded Sep 20, 202651-200127 contacts →

Exact match

“Steel Reef is a Canadian company that gathers and redistributes wasted emissions to deliver the energy that powers our lives.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchAmsterdam, NetherlandsHQ recorded Sep 20, 202651-200127 contacts →

Exact match

“Skytree is engineering the CO₂ transition by building machines to capture CO₂ from the air and repurpose it for good: whether it’s reused across different industries or stored…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-200111 contacts →

Exact match

“Mitigating the worst impacts of climate change by developing the world’s most cost-effective DAC technology to permanently remove CO2 from the atmosphere.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchAlzano Scrivia, United StatesHQ recorded Sep 20, 202651-200103 contacts →

Exact match

“We want to be the first technology-as-a-service company to tackle environmental impact across all industries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchDartmouth, NS, CanadaHQ recorded Sep 20, 202651-200100 contacts →

Exact match

“Concrete That Matters: CarbonCure Technologies is on a mission to empower cement and concrete producers with technologies and strategies to achieve the industry's net zero…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchDublin, IrelandHQ recorded Sep 20, 202651-20090 contacts →

Exact match

“Astatine is a leading innovator in energy and C02 reduction solutions, particularly in the decarbonisation of industrial high - grade heat (incl.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchNairobi, KenyaHQ recorded Sep 20, 202651-20085 contacts →

Exact match

“Octavia Carbon builds and deploys Direct Air Carbon Capture (DACC) machines in Kenya, the world's best place to do so.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20083 contacts →

Exact match

“Storegga, a business established in 2020 as an independent champion for the development of carbon reduction and carbon removal technologies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchAlkmaar, NetherlandsHQ recorded Sep 20, 202651-20081 contacts →

Exact match

“At SCW Systems, we develop new ground-breaking technologies that convert waste into green energy and permanently remove CO₂ from the atmosphere.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Sep 20, 202611-5080 contacts →

Exact match

“Syzygy Plasmonics is a technology company decarbonizing chemical production with its proprietary light-driven reactor technology.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchSacramento, CA, United StatesHQ recorded Sep 20, 202651-20079 contacts →

Exact match

“Infinium is reimagining how the world powers, moves, and computes.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 1,256 negative emissions technology companies worldwide

See the full list, filter by size, metro and specialty, and access 6,683 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Negative emissions technology companies worldwide at a glance

As of Sep 20, 2026
44.5%Verified-email coverage
11.9Average contacts per company
1-10Median size (employees)
4.3%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
778
11-50
376
51-200
82
201-500
11
501-1,000
6
10001+
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for negative emissions technology companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “negative emissions technology companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 6,683 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Negative emissions technology companies by location

11 lists · largest first

Every Negative emissions technology companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “negative emissions technology companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many negative emissions technology companies are there worldwide?

RevenueBase identified 1,256 company matches for negative emissions technology companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Chakr Innovation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most negative emissions technology companies?

The United States leads with 297 companies, followed by the United Kingdom (120) and Canada (93). Every negative emissions technology companies list by country and city is linked on this page.

Which city has the most negative emissions technology companies?

London leads with 54 company records, followed by Calgary (34) and Houston (23).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,683 professional contacts with verified work emails tracked across these 1,256 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.