Company lists · Data refreshed November 2026
Top 25 Carbon reduction nonprofits based in the United States
RevenueBase identified 489 company matches for carbon reduction nonprofits associated with the United States as of November 2026 and tracks 9,241 professional contacts across them, including 3,664 with verified work emails. New York is the largest hub.
This list covers company matches for carbon reduction nonprofits associated with the United States, 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 November 6, 2026.
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.
The 25 largest carbon reduction nonprofits based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 899 contacts → | ||||
Exact match “Franklin Energy delivers end-to-end sustainability solutions through a portfolio of intelligent products and services that lower energy costs, reduce carbon and waste, and grow…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 589 contacts → | ||||
Exact match “Watershed is the enterprise sustainability platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 566 contacts → | ||||
Exact match “Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 344 contacts → | ||||
Exact match “For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 235 contacts → | ||||
Exact match “Founded in 2007, Verra is a global mission-driven nonprofit organization that develops and manages the leading standards for climate and sustainable development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 224 contacts → | ||||
Exact match “CEE is a community-based clean energy nonprofit with special expertise in energy efficiency that stretches back 40 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 217 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 208 contacts → | ||||
Exact match “Wren Climate, PBC helps you live carbon neutral by accounting for and offsetting your carbon emissions through transparent climate projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 152 contacts → | ||||
Exact match “Ecology Action is an award-winning California 501(c)(3) non-profit that’s been inspiring sustainable community actions since 1970.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 151 contacts → | ||||
Exact match “We're a nonprofit headquartered in Madison, WI with an office in Chicago and remote staff across the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 108 contacts → | ||||
Exact match “BlocPower is upgrading America’s buildings to be smarter, greener and healthier for all-fighting the climate crisis and creating good green jobs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 107 contacts → | ||||
Exact match “CET helps people and businesses save energy and reduce waste.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 104 contacts → | ||||
Exact match “C-Quest Capital is a social impact project developer & carbon finance business that works in the poorest communities around the world providing access to sustainable energy…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 94 contacts → | ||||
Exact match “The American Council for an Energy-Efficient Economy a nonprofit research organization, develops policies to reduce energy waste and combat climate change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 92 contacts → | ||||
Exact match “Our Mission: To accelerate decarbonization of the environment TODAY by bringing affordable and efficient solutions to build sustainably.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 85 contacts → | ||||
Exact match “A certified B Corp, Tradewater directly combats climate change by identifying, collecting, and eliminating the release of non-CO₂ superpollutants, including refrigerants in old…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 68 contacts → | ||||
Exact match “Greenplaces helps businesses turn risk into a competitive advantage.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 68 contacts → | ||||
Exact match “Patch combines technology and carbon markets expertise to help companies build and execute their carbon credit strategies from end to end, channeling capital into critical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 67 contacts → | ||||
Exact match “Trellis Group, formerly GreenBiz Group, empowers professional communities to confront the climate crisis while building a regenerative, prosperous and just economy that supports…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 66 contacts → | ||||
Exact match “We set the standards to measure and manage emissions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 63 contacts → | ||||
Exact match “Sequoia Climate Foundation believes in a world powered by clean energy, where all people are protected by policies that have averted the worst effects of climate change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 63 contacts → | ||||
Exact match “We Mean Business is a global nonprofit coalition working with the world’s most influential businesses to take action on climate change.#FossilToClean Together we catalyze business…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 59 contacts → | ||||
Exact match “New Ecology works where the climate and housing crises converge.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 55 contacts → | ||||
Exact match “Reduce your carbon footprint with high-quality, nature-based carbon solutions developed by expert foresters, carbon scientists, and land management specialists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 49 contacts → | ||||
Exact match “New Buildings Institute (NBI) is a nonprofit organization working to improve the energy performance of commercial buildings.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “carbon reduction nonprofits”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 489 carbon reduction nonprofits based in the United States
See the full list, filter by size, metro and specialty, and access 3,664 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Carbon reduction nonprofits based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 489 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “carbon reduction nonprofits” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 3,664 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 November 6, 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.
Carbon reduction nonprofits by metro
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 “carbon reduction nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many carbon reduction nonprofits are there based in the United States?
RevenueBase identified 489 company matches for carbon reduction nonprofits associated with the United States as of November 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?
Franklin Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most carbon reduction nonprofits?
New York leads with 39 company records, followed by Washington (23) and San Francisco (17).
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 3,664 professional contacts with verified work emails tracked across these 489 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 489 carbon reduction nonprofits based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Carbon reduction nonprofits by geography
- Carbon reduction nonprofits based in Toronto, Canada
- Carbon reduction nonprofits based in Paris, France
- Carbon reduction nonprofits based in London, United Kingdom
- Carbon reduction nonprofits based in New York, United States
- Carbon reduction nonprofits based in Australia
- Carbon reduction nonprofits based in Brazil
- Carbon reduction nonprofits based in Canada
- Carbon reduction nonprofits based in France
- Carbon reduction nonprofits based in Germany
- Carbon reduction nonprofits based in India
- Carbon reduction nonprofits based in Ireland
- Carbon reduction nonprofits based in Italy
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Carbon reduction nonprofits based in Toronto, Canada
- Carbon reduction nonprofits based in Paris, France
- Carbon reduction nonprofits based in London, United Kingdom
- Carbon reduction nonprofits based in New York, United States
- Carbon reduction nonprofits based in Australia
- Carbon reduction nonprofits based in Brazil
Company intelligence · public preview
Top 25 carbon reduction nonprofits based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 489 matching company records for carbon reduction nonprofits based in the United States, with 9,241 tracked contacts and 3,664 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 carbon reduction nonprofits based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Franklin Energyfranklinenergy.comHQ: Port Washington, WI, United StatesReported employees: 1,001-5,000 | Port Washington, WI, United States | 1,001-5,000 | Exact match | 899 contacts → |
“Franklin Energy delivers end-to-end sustainability solutions through a portfolio of intelligent products and services that lower energy costs, reduce carbon and waste, and grow…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Watershedwatershed.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 589 contacts → |
“Watershed is the enterprise sustainability platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  ACT Groupbrnw.chHQ: Amsterdam, NY, United StatesReported employees: 501-1,000 | Amsterdam, NY, United States | 501-1,000 | Exact match | 566 contacts → |
“Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  VEICveic.orgHQ: Winooski, DC, United StatesReported employees: 201-500 | Winooski, DC, United States | 201-500 | Exact match | 344 contacts → |
“For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  VERRAverra.orgHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 235 contacts → |
“Founded in 2007, Verra is a global mission-driven nonprofit organization that develops and manages the leading standards for climate and sustainable development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Center For Energy And Environmentmncee.orgHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 224 contacts → |
“CEE is a community-based clean energy nonprofit with special expertise in energy efficiency that stretches back 40 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Anew Climateanewclimate.comHQ: Houston, UT, United StatesReported employees: 201-500 | Houston, UT, United States | 201-500 | Exact match | 217 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  WRENwren.coHQ: San Jose, CA, United StatesReported employees: Not recorded | San Jose, CA, United States | Not recorded | Exact match | 208 contacts → |
“Wren Climate, PBC helps you live carbon neutral by accounting for and offsetting your carbon emissions through transparent climate projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ecology Actionecoact.orgHQ: Santa Cruz, CA, United StatesReported employees: 51-200 | Santa Cruz, CA, United States | 51-200 | Exact match | 152 contacts → |
“Ecology Action is an award-winning California 501(c)(3) non-profit that’s been inspiring sustainable community actions since 1970.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Slipstreamslipstreaminc.orgHQ: Madison, WI, United StatesReported employees: 51-200 | Madison, WI, United States | 51-200 | Exact match | 151 contacts → |
“We're a nonprofit headquartered in Madison, WI with an office in Chicago and remote staff across the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Blocpowerblocpower.ioHQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 108 contacts → |
“BlocPower is upgrading America’s buildings to be smarter, greener and healthier for all-fighting the climate crisis and creating good green jobs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  CETcetonline.orgHQ: Northampton, MA, United StatesReported employees: 51-200 | Northampton, MA, United States | 51-200 | Exact match | 107 contacts → |
“CET helps people and businesses save energy and reduce waste.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  C-Quest Capitalcquestcapital.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 104 contacts → |
“C-Quest Capital is a social impact project developer & carbon finance business that works in the poorest communities around the world providing access to sustainable energy…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 94 contacts → |
“The American Council for an Energy-Efficient Economy a nonprofit research organization, develops policies to reduce energy waste and combat climate change.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Dextalldextall.comHQ: Fairfax, VA, United StatesReported employees: 51-200 | Fairfax, VA, United States | 51-200 | Exact match | 92 contacts → |
“Our Mission: To accelerate decarbonization of the environment TODAY by bringing affordable and efficient solutions to build sustainably.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Tradewatertradewater.coHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 85 contacts → |
“A certified B Corp, Tradewater directly combats climate change by identifying, collecting, and eliminating the release of non-CO₂ superpollutants, including refrigerants in old…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Greenplacesgreenplaces.comHQ: Raleigh, NC, United StatesReported employees: 51-200 | Raleigh, NC, United States | 51-200 | Exact match | 68 contacts → |
“Greenplaces helps businesses turn risk into a competitive advantage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  PATCHpatch.ioHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 68 contacts → |
“Patch combines technology and carbon markets expertise to help companies build and execute their carbon credit strategies from end to end, channeling capital into critical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Trellis Grouptrellis.netHQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 67 contacts → |
“Trellis Group, formerly GreenBiz Group, empowers professional communities to confront the climate crisis while building a regenerative, prosperous and just economy that supports…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Greenhouse GAS Protocol GHG Protocolghgprotocol.orgHQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 66 contacts → |
“We set the standards to measure and manage emissions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Sequoia Climate Foundationsequoiaclimate.orgHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 63 contacts → |
“Sequoia Climate Foundation believes in a world powered by clean energy, where all people are protected by policies that have averted the worst effects of climate change.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  We Mean Business Coalitionwemeanbusinesscoalition.orgHQ: NY, United StatesReported employees: 11-50 | NY, United States | 11-50 | Exact match | 63 contacts → |
“We Mean Business is a global nonprofit coalition working with the world’s most influential businesses to take action on climate change.#FossilToClean Together we catalyze business…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  NEW Ecology, INCnewecology.orgHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 59 contacts → |
“New Ecology works where the climate and housing crises converge.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Chestnut Carbonchestnutcarbon.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 55 contacts → |
“Reduce your carbon footprint with high-quality, nature-based carbon solutions developed by expert foresters, carbon scientists, and land management specialists.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  NEW Buildings Institutenewbuildings.orgHQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 49 contacts → |
“New Buildings Institute (NBI) is a nonprofit organization working to improve the energy performance of commercial buildings.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 489 company matches
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Carbon reduction nonprofits: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
489 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 489 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Carbon reduction nonprofits by metro
Questions about this company list
What does Exact match mean for carbon reduction nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many carbon reduction nonprofits did RevenueBase find based in the United States?
The saved snapshot records 489 matching company records, 9,241 tracked contacts and 3,664 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Carbon reduction nonprofits by geography
- Carbon reduction nonprofits based in Toronto, Canada
- Carbon reduction nonprofits based in Paris, France
- Carbon reduction nonprofits based in London, United Kingdom
- Carbon reduction nonprofits based in New York, United States
- Carbon reduction nonprofits based in Australia
- Carbon reduction nonprofits based in Brazil
- Carbon reduction nonprofits based in Canada
- Carbon reduction nonprofits based in France
- Carbon reduction nonprofits based in Germany
- Carbon reduction nonprofits based in India
- Carbon reduction nonprofits based in Ireland
- Carbon reduction nonprofits based in Italy
Cite this list
RevenueBase Data Team. Top 25 carbon reduction nonprofits based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/carbon-reduction-nonprofits/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Carbon reduction nonprofits based in Toronto, Canada
- Carbon reduction nonprofits based in Paris, France
- Carbon reduction nonprofits based in London, United Kingdom
- Carbon reduction nonprofits based in New York, United States
- Carbon reduction nonprofits based in Australia
- Carbon reduction nonprofits based in Brazil
Company intelligence · public preview
Top 25 carbon reduction nonprofits based in the United States
RevenueBase records 489 matching company records for carbon reduction nonprofits based in the United States, with 9,241 tracked contacts and 3,664 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 carbon reduction nonprofits based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Franklin Energyfranklinenergy.com HQ: Port Washington, WI, United StatesReported employees: 1,001-5,000 | Port Washington, WI, United States | 1,001-5,000 | Exact match | 899 contacts → |
“Franklin Energy delivers end-to-end sustainability solutions through a portfolio of intelligent products and services that lower energy costs, reduce carbon and waste, and grow…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Watershedwatershed.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 589 contacts → |
“Watershed is the enterprise sustainability platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ACT Groupbrnw.ch HQ: Amsterdam, NY, United StatesReported employees: 501-1,000 | Amsterdam, NY, United States | 501-1,000 | Exact match | 566 contacts → |
“Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | VEICveic.org HQ: Winooski, DC, United StatesReported employees: 201-500 | Winooski, DC, United States | 201-500 | Exact match | 344 contacts → |
“For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | VERRAverra.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 235 contacts → |
“Founded in 2007, Verra is a global mission-driven nonprofit organization that develops and manages the leading standards for climate and sustainable development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Center For Energy And Environmentmncee.org HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 224 contacts → |
“CEE is a community-based clean energy nonprofit with special expertise in energy efficiency that stretches back 40 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Anew Climateanewclimate.com HQ: Houston, UT, United StatesReported employees: 201-500 | Houston, UT, United States | 201-500 | Exact match | 217 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | WRENwren.co HQ: San Jose, CA, United StatesReported employees: Not recorded | San Jose, CA, United States | Not recorded | Exact match | 208 contacts → |
“Wren Climate, PBC helps you live carbon neutral by accounting for and offsetting your carbon emissions through transparent climate projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ecology Actionecoact.org HQ: Santa Cruz, CA, United StatesReported employees: 51-200 | Santa Cruz, CA, United States | 51-200 | Exact match | 152 contacts → |
“Ecology Action is an award-winning California 501(c)(3) non-profit that’s been inspiring sustainable community actions since 1970.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Slipstreamslipstreaminc.org HQ: Madison, WI, United StatesReported employees: 51-200 | Madison, WI, United States | 51-200 | Exact match | 151 contacts → |
“We're a nonprofit headquartered in Madison, WI with an office in Chicago and remote staff across the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Blocpowerblocpower.io HQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 108 contacts → |
“BlocPower is upgrading America’s buildings to be smarter, greener and healthier for all-fighting the climate crisis and creating good green jobs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | CETcetonline.org HQ: Northampton, MA, United StatesReported employees: 51-200 | Northampton, MA, United States | 51-200 | Exact match | 107 contacts → |
“CET helps people and businesses save energy and reduce waste.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | C-Quest Capitalcquestcapital.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 104 contacts → |
“C-Quest Capital is a social impact project developer & carbon finance business that works in the poorest communities around the world providing access to sustainable energy…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 94 contacts → |
“The American Council for an Energy-Efficient Economy a nonprofit research organization, develops policies to reduce energy waste and combat climate change.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Dextalldextall.com HQ: Fairfax, VA, United StatesReported employees: 51-200 | Fairfax, VA, United States | 51-200 | Exact match | 92 contacts → |
“Our Mission: To accelerate decarbonization of the environment TODAY by bringing affordable and efficient solutions to build sustainably.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tradewatertradewater.co HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 85 contacts → |
“A certified B Corp, Tradewater directly combats climate change by identifying, collecting, and eliminating the release of non-CO₂ superpollutants, including refrigerants in old…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Greenplacesgreenplaces.com HQ: Raleigh, NC, United StatesReported employees: 51-200 | Raleigh, NC, United States | 51-200 | Exact match | 68 contacts → |
“Greenplaces helps businesses turn risk into a competitive advantage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | PATCHpatch.io HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 68 contacts → |
“Patch combines technology and carbon markets expertise to help companies build and execute their carbon credit strategies from end to end, channeling capital into critical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Trellis Grouptrellis.net HQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 67 contacts → |
“Trellis Group, formerly GreenBiz Group, empowers professional communities to confront the climate crisis while building a regenerative, prosperous and just economy that supports…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Greenhouse GAS Protocol GHG Protocolghgprotocol.org HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 66 contacts → |
“We set the standards to measure and manage emissions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sequoia Climate Foundationsequoiaclimate.org HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 63 contacts → |
“Sequoia Climate Foundation believes in a world powered by clean energy, where all people are protected by policies that have averted the worst effects of climate change.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | We Mean Business Coalitionwemeanbusinesscoalition.org HQ: NY, United StatesReported employees: 11-50 | NY, United States | 11-50 | Exact match | 63 contacts → |
“We Mean Business is a global nonprofit coalition working with the world’s most influential businesses to take action on climate change.#FossilToClean Together we catalyze business…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | NEW Ecology, INCnewecology.org HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 59 contacts → |
“New Ecology works where the climate and housing crises converge.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Chestnut Carbonchestnutcarbon.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 55 contacts → |
“Reduce your carbon footprint with high-quality, nature-based carbon solutions developed by expert foresters, carbon scientists, and land management specialists.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | NEW Buildings Institutenewbuildings.org HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 49 contacts → |
“New Buildings Institute (NBI) is a nonprofit organization working to improve the energy performance of commercial buildings.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 489 company matches
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Carbon reduction nonprofits: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
489 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 489 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Carbon reduction nonprofits by metro
Questions about this company list
What does Exact match mean for carbon reduction nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many carbon reduction nonprofits did RevenueBase find based in the United States?
The saved snapshot records 489 matching company records, 9,241 tracked contacts and 3,664 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Carbon reduction nonprofits by geography
- Carbon reduction nonprofits based in Toronto, Canada
- Carbon reduction nonprofits based in Paris, France
- Carbon reduction nonprofits based in London, United Kingdom
- Carbon reduction nonprofits based in New York, United States
- Carbon reduction nonprofits based in Australia
- Carbon reduction nonprofits based in Brazil
- Carbon reduction nonprofits based in Canada
- Carbon reduction nonprofits based in France
- Carbon reduction nonprofits based in Germany
- Carbon reduction nonprofits based in India
- Carbon reduction nonprofits based in Ireland
- Carbon reduction nonprofits based in Italy
Cite this list
RevenueBase Data Team. Top 25 carbon reduction nonprofits based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/carbon-reduction-nonprofits/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Carbon reduction nonprofits based in London, United Kingdom
- Carbon reduction nonprofits based in New York, United States
- Carbon reduction nonprofits based in Australia
- Carbon reduction nonprofits based in Brazil