Company lists · Data refreshed October 2026
Top 25 Clean energy nonprofits based in the United States
RevenueBase identified 1,797 company matches for clean energy nonprofits associated with the United States as of October 2026 and tracks 32,171 professional contacts across them, including 10,831 with verified work emails. New York is the largest hub.
This list covers company matches for clean energy 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 October 9, 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 clean energy nonprofits based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,403 contacts → | ||||
Exact match “We are Environmental Defense Fund, a leading environmental nonprofit focused on stabilizing the climate while helping build strong and healthy communities.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 1,097 contacts → | ||||
Exact match “The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 864 contacts → | ||||
Exact match “Rocky Mountain Institute (RMI) is an independent, nonpartisan nonprofit founded in 1982 that transforms global energy systems through market-driven solutions to secure a…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 853 contacts → | ||||
Exact match “We are a purpose-driven organization focused on empowering communities through clean energy, technology innovation, and collaborative partnerships.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 714 contacts → | ||||
Exact match “GRID Alternatives is a national leader in bringing affordable solar power, clean mobility, and energy storage to underserved communities while creating pathways to life-changing…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 659 contacts → | ||||
Exact match “We’re on a mission to make power personal.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 606 contacts → | ||||
Exact match “Palmetto is a leading clean tech company on a mission to accelerate the transition to a clean energy future.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 574 contacts → | ||||
Exact match “Apex Clean Energy was founded with a singular focus: to accelerate the shift to clean energy.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 433 contacts → | ||||
Exact match “PosiGen is the nation's leading residential solar and energy efficiency provider.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 333 contacts → | ||||
Exact match “For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 267 contacts → | ||||
Exact match “People.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 265 contacts → | ||||
Exact match “Energy Trust of Oregon is an independent nonprofit organization dedicated to helping utility customers benefit from saving energy and generating renewable power.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 260 contacts → | ||||
Exact match “Center for Sustainable Energy® (CSE) is a national nonprofit that accelerates adoption of clean transportation and distributed energy through effective and equitable program…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 258 contacts → | ||||
Exact match “Infinity Energy, we exist to power you At Infinity Energy we connect people to clean energy and customized home solutions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 233 contacts → | ||||
Exact match “We are in the business of conservation, creating innovative solutions that drive nature-based action for climate protection, sustainable economies and vibrant communities.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 232 contacts → | ||||
Exact match “We are creating a more sustainable and better earth through solar energy.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 221 contacts → | ||||
Exact match “The American Clean Power Association (ACP) is the leading voice of today’s multi-tech clean energy industry, representing energy storage, wind, utility-scale solar, clean…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 220 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 217 contacts → | ||||
Exact match “Now part of Resource Innovations, RHA will expand its team to over 1,100 professionals, broadening expertise and offering clients additional solutions in energy storage and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 200 contacts → | ||||
Exact match “The Energy & Environmental Research Center (EERC) is recognized as one of the world's leading developers of cleaner, more efficient energy to power the world and environmental…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 193 contacts → | ||||
Exact match “Ever-Green Energy is a recognized leader in energy conservation and the use of renewable energy.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 192 contacts → | ||||
Exact match “Sol Systems is a national clean energy firm focused on building domestic energy that benefits local communities.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 184 contacts → | ||||
Exact match “Preserve, protect, and improve the environment in the US with Solar.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 182 contacts → | ||||
Exact match “Green World Renewable Energy delivers smart, scalable solar engineering and back-office design solutions for residential, commercial, and utility-scale projects across the U.S.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 178 contacts → | ||||
Exact match “CATF advocates for the change in technologies and policies needed to get to a zero-emissions, high-energy planet at an affordable cost.” Recorded in the RevenueBase company graph · Oct 9, 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 “clean energy 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 1,797 clean energy nonprofits based in the United States
See the full list, filter by size, metro and specialty, and access 10,831 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Clean energy nonprofits based in the United States at a glance
As of Oct 9, 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 1,797 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 “clean energy 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 10,831 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 October 9, 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.
Clean energy nonprofits by metro
- Clean energy nonprofits in New York61
- Clean energy nonprofits in Washington61
- Clean energy nonprofits in San Francisco38
- Clean energy nonprofits in Houston34
- Clean energy nonprofits in Los Angeles32
- Clean energy nonprofits in Austin29
- Clean energy nonprofits in Boston29
- Clean energy nonprofits in San Diego29
- Clean energy nonprofits in Denver27
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 “clean energy nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clean energy nonprofits are there based in the United States?
RevenueBase identified 1,797 company matches for clean energy nonprofits associated with the United States as of October 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?
Environmental Defense Fund tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most clean energy nonprofits?
New York leads with 61 company records, followed by Washington (61) and San Francisco (38).
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 10,831 professional contacts with verified work emails tracked across these 1,797 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 October 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,797 clean energy nonprofits based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Clean energy nonprofits by geography
- Clean energy nonprofits based in Toronto, Canada
- Clean energy nonprofits based in Paris, France
- Clean energy nonprofits based in Bangalore, India
- Clean energy nonprofits based in New Delhi, India
- Clean energy nonprofits based in Madrid, Spain
- Clean energy nonprofits based in London, United Kingdom
- Clean energy nonprofits based in Austin, United States
- Clean energy nonprofits based in Boston, United States
- Clean energy nonprofits based in Denver, United States
- Clean energy nonprofits based in Houston, United States
- Clean energy nonprofits based in Los Angeles, United States
- Clean energy nonprofits based in New York, United States
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
- Clean energy nonprofits based in Toronto, Canada
- Clean energy nonprofits based in Paris, France
- Clean energy nonprofits based in Bangalore, India
- Clean energy nonprofits based in New Delhi, India
- Clean energy nonprofits based in Madrid, Spain
- Clean energy nonprofits based in London, United Kingdom
Company intelligence · public preview
Top 25 clean energy 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 1,797 matching company records for clean energy nonprofits based in the United States, with 32,171 tracked contacts and 10,831 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: October 9, 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 clean energy 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 |  Environmental Defense Fundedf.orgHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 1,403 contacts → |
“We are Environmental Defense Fund, a leading environmental nonprofit focused on stabilizing the climate while helping build strong and healthy communities.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Powur, PBCpowur.com HQ: San Diego, United StatesReported employees: Not recorded | San Diego, United States | Not recorded | Exact match | 1,097 contacts → |
“The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | RMIrmi.org HQ: Boulder, CO, United StatesReported employees: 501-1,000 | Boulder, CO, United States | 501-1,000 | Exact match | 864 contacts → |
“Rocky Mountain Institute (RMI) is an independent, nonpartisan nonprofit founded in 1982 that transforms global energy systems through market-driven solutions to secure a…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Community Dreams Foundationcdreams.org HQ: Orlando, FL, United StatesReported employees: 1,001-5,000 | Orlando, FL, United States | 1,001-5,000 | Exact match | 853 contacts → |
“We are a purpose-driven organization focused on empowering communities through clean energy, technology innovation, and collaborative partnerships.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Grid Alternativesgridalternatives.orgHQ: Oakland, CA, United StatesReported employees: 201-500 | Oakland, CA, United States | 201-500 | Exact match | 714 contacts → |
“GRID Alternatives is a national leader in bringing affordable solar power, clean mobility, and energy storage to underserved communities while creating pathways to life-changing…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  LUMIOlumio.comHQ: Lehi, UT, United StatesReported employees: 5,001-10,000 | Lehi, UT, United States | 5,001-10,000 | Exact match | 659 contacts → |
“We’re on a mission to make power personal.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Palmettoplm.toHQ: Charlotte, NC, United StatesReported employees: 201-500 | Charlotte, NC, United States | 201-500 | Exact match | 606 contacts → |
“Palmetto is a leading clean tech company on a mission to accelerate the transition to a clean energy future.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Apex Clean Energyapexcleanenergy.comHQ: Charlottesville, VA, United StatesReported employees: 201-500 | Charlottesville, VA, United States | 201-500 | Exact match | 574 contacts → |
“Apex Clean Energy was founded with a singular focus: to accelerate the shift to clean energy.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Posigenposigen.comHQ: St. Rose, LA, United StatesReported employees: 501-1,000 | St. Rose, LA, United States | 501-1,000 | Exact match | 433 contacts → |
“PosiGen is the nation's leading residential solar and energy efficiency provider.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | VEICveic.org HQ: Winooski, VT, United StatesReported employees: 201-500 | Winooski, VT, United States | 201-500 | Exact match | 333 contacts → |
“For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Meraki Solarmerakisolar.comHQ: Pensacola, FL, United StatesReported employees: 1,001-5,000 | Pensacola, FL, United States | 1,001-5,000 | Exact match | 267 contacts → |
“People.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Energy Trust Of Oregonenergytrust.org HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 265 contacts → |
“Energy Trust of Oregon is an independent nonprofit organization dedicated to helping utility customers benefit from saving energy and generating renewable power.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Center For Sustainable Energy CSEenergycenter.org HQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 260 contacts → |
“Center for Sustainable Energy® (CSE) is a national nonprofit that accelerates adoption of clean transportation and distributed energy through effective and equitable program…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Infinity Energy INCinfinityenergy.comHQ: Rocklin, CA, United StatesReported employees: 201-500 | Rocklin, CA, United States | 201-500 | Exact match | 258 contacts → |
“Infinity Energy, we exist to power you At Infinity Energy we connect people to clean energy and customized home solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | The Conservation Fundconservationfund.org HQ: Arlington, VA, United StatesReported employees: 201-500 | Arlington, VA, United States | 201-500 | Exact match | 233 contacts → |
“We are in the business of conservation, creating innovative solutions that drive nature-based action for climate protection, sustainable economies and vibrant communities.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Better Earthbetterearth.solar HQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 232 contacts → |
“We are creating a more sustainable and better earth through solar energy.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | American Clean Power Association ACPcleanpower.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 221 contacts → |
“The American Clean Power Association (ACP) is the leading voice of today’s multi-tech clean energy industry, representing energy storage, wind, utility-scale solar, clean…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Center For Energy And Environmentmncee.org HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 220 contacts → |
“CEE is a community-based clean energy nonprofit with special expertise in energy efficiency that stretches back 40 years.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Richard Heath & Associates, Inc. RHAresource-innovations.comHQ: Fresno, CA, United StatesReported employees: 501-1,000 | Fresno, CA, United States | 501-1,000 | Exact match | 217 contacts → |
“Now part of Resource Innovations, RHA will expand its team to over 1,100 professionals, broadening expertise and offering clients additional solutions in energy storage and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Energy & Environmental Research Centerundeerc.org HQ: Grand Forks, ND, United StatesReported employees: 201-500 | Grand Forks, ND, United States | 201-500 | Exact match | 200 contacts → |
“The Energy & Environmental Research Center (EERC) is recognized as one of the world's leading developers of cleaner, more efficient energy to power the world and environmental…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ever-Green Energyever-greenenergy.com HQ: St. Paul, MN, United StatesReported employees: 201-500 | St. Paul, MN, United States | 201-500 | Exact match | 193 contacts → |
“Ever-Green Energy is a recognized leader in energy conservation and the use of renewable energy.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  SOL Systemssolsystems.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 192 contacts → |
“Sol Systems is a national clean energy firm focused on building domestic energy that benefits local communities.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Infinity Solar USAinfinitysolarusa.com HQ: Vancouver, WA, United StatesReported employees: 51-200 | Vancouver, WA, United States | 51-200 | Exact match | 184 contacts → |
“Preserve, protect, and improve the environment in the US with Solar.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Green World Renewable Energy LLCgreenworld-energy.comHQ: Brooklyn, MD, United StatesReported employees: 201-500 | Brooklyn, MD, United States | 201-500 | Exact match | 182 contacts → |
“Green World Renewable Energy delivers smart, scalable solar engineering and back-office design solutions for residential, commercial, and utility-scale projects across the U.S.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Clean AIR Task Forcecatf.us HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 178 contacts → |
“CATF advocates for the change in technologies and policies needed to get to a zero-emissions, high-energy planet at an affordable cost.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,797 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Clean energy nonprofits: dataset insights
October 9, 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
1,794 records in the displayed employee bands.
3 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 1,797 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: October 9, 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 ↗
Clean energy nonprofits by metro
- Clean energy nonprofits in New York61
- Clean energy nonprofits in Washington61
- Clean energy nonprofits in San Francisco38
- Clean energy nonprofits in Houston34
- Clean energy nonprofits in Los Angeles32
- Clean energy nonprofits in Austin29
- Clean energy nonprofits in Boston29
- Clean energy nonprofits in San Diego29
- Clean energy nonprofits in Denver27
Questions about this company list
What does Exact match mean for clean energy 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 clean energy nonprofits did RevenueBase find based in the United States?
The saved snapshot records 1,797 matching company records, 32,171 tracked contacts and 10,831 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: October 9, 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
Clean energy nonprofits by geography
- Clean energy nonprofits based in Toronto, Canada
- Clean energy nonprofits based in Paris, France
- Clean energy nonprofits based in Bangalore, India
- Clean energy nonprofits based in New Delhi, India
- Clean energy nonprofits based in Madrid, Spain
- Clean energy nonprofits based in London, United Kingdom
- Clean energy nonprofits based in Austin, United States
- Clean energy nonprofits based in Boston, United States
- Clean energy nonprofits based in Denver, United States
- Clean energy nonprofits based in Houston, United States
- Clean energy nonprofits based in Los Angeles, United States
- Clean energy nonprofits based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 clean energy nonprofits based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/clean-energy-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
- Clean energy nonprofits based in Toronto, Canada
- Clean energy nonprofits based in Paris, France
- Clean energy nonprofits based in Bangalore, India
- Clean energy nonprofits based in New Delhi, India
- Clean energy nonprofits based in Madrid, Spain
- Clean energy nonprofits based in London, United Kingdom
Company intelligence · public preview
Top 25 clean energy nonprofits based in the United States
RevenueBase records 1,797 matching company records for clean energy nonprofits based in the United States, with 32,171 tracked contacts and 10,831 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: October 9, 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 clean energy 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 | Environmental Defense Fundedf.org HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 1,403 contacts → |
“We are Environmental Defense Fund, a leading environmental nonprofit focused on stabilizing the climate while helping build strong and healthy communities.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Powur, PBCpowur.com HQ: San Diego, United StatesReported employees: Not recorded | San Diego, United States | Not recorded | Exact match | 1,097 contacts → |
“The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | RMIrmi.org HQ: Boulder, CO, United StatesReported employees: 501-1,000 | Boulder, CO, United States | 501-1,000 | Exact match | 864 contacts → |
“Rocky Mountain Institute (RMI) is an independent, nonpartisan nonprofit founded in 1982 that transforms global energy systems through market-driven solutions to secure a…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Community Dreams Foundationcdreams.org HQ: Orlando, FL, United StatesReported employees: 1,001-5,000 | Orlando, FL, United States | 1,001-5,000 | Exact match | 853 contacts → |
“We are a purpose-driven organization focused on empowering communities through clean energy, technology innovation, and collaborative partnerships.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Grid Alternativesgridalternatives.org HQ: Oakland, CA, United StatesReported employees: 201-500 | Oakland, CA, United States | 201-500 | Exact match | 714 contacts → |
“GRID Alternatives is a national leader in bringing affordable solar power, clean mobility, and energy storage to underserved communities while creating pathways to life-changing…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | LUMIOlumio.com HQ: Lehi, UT, United StatesReported employees: 5,001-10,000 | Lehi, UT, United States | 5,001-10,000 | Exact match | 659 contacts → |
“We’re on a mission to make power personal.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Palmettoplm.to HQ: Charlotte, NC, United StatesReported employees: 201-500 | Charlotte, NC, United States | 201-500 | Exact match | 606 contacts → |
“Palmetto is a leading clean tech company on a mission to accelerate the transition to a clean energy future.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Apex Clean Energyapexcleanenergy.com HQ: Charlottesville, VA, United StatesReported employees: 201-500 | Charlottesville, VA, United States | 201-500 | Exact match | 574 contacts → |
“Apex Clean Energy was founded with a singular focus: to accelerate the shift to clean energy.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Posigenposigen.com HQ: St. Rose, LA, United StatesReported employees: 501-1,000 | St. Rose, LA, United States | 501-1,000 | Exact match | 433 contacts → |
“PosiGen is the nation's leading residential solar and energy efficiency provider.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | VEICveic.org HQ: Winooski, VT, United StatesReported employees: 201-500 | Winooski, VT, United States | 201-500 | Exact match | 333 contacts → |
“For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Meraki Solarmerakisolar.com HQ: Pensacola, FL, United StatesReported employees: 1,001-5,000 | Pensacola, FL, United States | 1,001-5,000 | Exact match | 267 contacts → |
“People.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Energy Trust Of Oregonenergytrust.org HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 265 contacts → |
“Energy Trust of Oregon is an independent nonprofit organization dedicated to helping utility customers benefit from saving energy and generating renewable power.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Center For Sustainable Energy CSEenergycenter.org HQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 260 contacts → |
“Center for Sustainable Energy® (CSE) is a national nonprofit that accelerates adoption of clean transportation and distributed energy through effective and equitable program…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Infinity Energy INCinfinityenergy.com HQ: Rocklin, CA, United StatesReported employees: 201-500 | Rocklin, CA, United States | 201-500 | Exact match | 258 contacts → |
“Infinity Energy, we exist to power you At Infinity Energy we connect people to clean energy and customized home solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | The Conservation Fundconservationfund.org HQ: Arlington, VA, United StatesReported employees: 201-500 | Arlington, VA, United States | 201-500 | Exact match | 233 contacts → |
“We are in the business of conservation, creating innovative solutions that drive nature-based action for climate protection, sustainable economies and vibrant communities.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Better Earthbetterearth.solar HQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 232 contacts → |
“We are creating a more sustainable and better earth through solar energy.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | American Clean Power Association ACPcleanpower.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 221 contacts → |
“The American Clean Power Association (ACP) is the leading voice of today’s multi-tech clean energy industry, representing energy storage, wind, utility-scale solar, clean…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Center For Energy And Environmentmncee.org HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 220 contacts → |
“CEE is a community-based clean energy nonprofit with special expertise in energy efficiency that stretches back 40 years.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Richard Heath & Associates, Inc. RHAresource-innovations.com HQ: Fresno, CA, United StatesReported employees: 501-1,000 | Fresno, CA, United States | 501-1,000 | Exact match | 217 contacts → |
“Now part of Resource Innovations, RHA will expand its team to over 1,100 professionals, broadening expertise and offering clients additional solutions in energy storage and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Energy & Environmental Research Centerundeerc.org HQ: Grand Forks, ND, United StatesReported employees: 201-500 | Grand Forks, ND, United States | 201-500 | Exact match | 200 contacts → |
“The Energy & Environmental Research Center (EERC) is recognized as one of the world's leading developers of cleaner, more efficient energy to power the world and environmental…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ever-Green Energyever-greenenergy.com HQ: St. Paul, MN, United StatesReported employees: 201-500 | St. Paul, MN, United States | 201-500 | Exact match | 193 contacts → |
“Ever-Green Energy is a recognized leader in energy conservation and the use of renewable energy.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | SOL Systemssolsystems.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 192 contacts → |
“Sol Systems is a national clean energy firm focused on building domestic energy that benefits local communities.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Infinity Solar USAinfinitysolarusa.com HQ: Vancouver, WA, United StatesReported employees: 51-200 | Vancouver, WA, United States | 51-200 | Exact match | 184 contacts → |
“Preserve, protect, and improve the environment in the US with Solar.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Green World Renewable Energy LLCgreenworld-energy.com HQ: Brooklyn, MD, United StatesReported employees: 201-500 | Brooklyn, MD, United States | 201-500 | Exact match | 182 contacts → |
“Green World Renewable Energy delivers smart, scalable solar engineering and back-office design solutions for residential, commercial, and utility-scale projects across the U.S.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Clean AIR Task Forcecatf.us HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 178 contacts → |
“CATF advocates for the change in technologies and policies needed to get to a zero-emissions, high-energy planet at an affordable cost.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,797 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Clean energy nonprofits: dataset insights
October 9, 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
1,794 records in the displayed employee bands.
3 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 1,797 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: October 9, 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 ↗
Clean energy nonprofits by metro
- Clean energy nonprofits in New York61
- Clean energy nonprofits in Washington61
- Clean energy nonprofits in San Francisco38
- Clean energy nonprofits in Houston34
- Clean energy nonprofits in Los Angeles32
- Clean energy nonprofits in Austin29
- Clean energy nonprofits in Boston29
- Clean energy nonprofits in San Diego29
- Clean energy nonprofits in Denver27
Questions about this company list
What does Exact match mean for clean energy 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 clean energy nonprofits did RevenueBase find based in the United States?
The saved snapshot records 1,797 matching company records, 32,171 tracked contacts and 10,831 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: October 9, 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
Clean energy nonprofits by geography
- Clean energy nonprofits based in Toronto, Canada
- Clean energy nonprofits based in Paris, France
- Clean energy nonprofits based in Bangalore, India
- Clean energy nonprofits based in New Delhi, India
- Clean energy nonprofits based in Madrid, Spain
- Clean energy nonprofits based in London, United Kingdom
- Clean energy nonprofits based in Austin, United States
- Clean energy nonprofits based in Boston, United States
- Clean energy nonprofits based in Denver, United States
- Clean energy nonprofits based in Houston, United States
- Clean energy nonprofits based in Los Angeles, United States
- Clean energy nonprofits based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 clean energy nonprofits based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/clean-energy-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
- Clean energy nonprofits based in Toronto, Canada
- Clean energy nonprofits based in Paris, France
- Clean energy nonprofits based in Bangalore, India
- Clean energy nonprofits based in New Delhi, India
- Clean energy nonprofits based in Madrid, Spain
- Clean energy nonprofits based in London, United Kingdom