Company lists · Data refreshed September 2026

Top 25 Environmental organizations based in San Francisco, United States

Name: Environmental organizations based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 128 companies tracked

RevenueBase identified 128 company matches for environmental organizations associated with San Francisco, United States as of September 2026 and tracks 3,440 professional contacts across them, including 1,940 with verified work emails. Across the United States, Washington is the largest hub for this category (209 companies); San Francisco has 128.

This list covers company matches for environmental organizations associated with San Francisco, 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 September 19, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built

128Companies

3,440Contacts tracked

1,940Verified emails

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The 25 largest environmental organizations based in San Francisco, United States

Ranked by team size

Top 25 of 128 company matches for environmental organizations based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Environmental Science Associates	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	501-1,000	732 contacts →
	Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Earthjustice	Exact match	San Francisco, United StatesHQ recorded Sep 19, 2026	501-1,000	672 contacts →
	Exact match “Earthjustice is a non-profit public interest law organization dedicated to protecting the magnificent places, natural resources, and wildlife of this earth, and to defending the…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Trust For Public Land	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	201-500	531 contacts →
	Exact match “Trust for Public Land (TPL) is a national nonprofit that works to connect everyone to the benefits and joys of the outdoors.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Global Exchange	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	111 contacts →
	Exact match “Global Exchange is an international human rights organization dedicated to promoting social, economic and environmental justice since 1988.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	SAN Francisco Environment Department	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	51-200	111 contacts →
	Exact match “The San Francisco Environment Department makes it easy for everyone in San Francisco to take care of their environment, their communities and ultimately, the planet.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	EHDD	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	51-200	86 contacts →
	Exact match “We create transformative places of belonging and impact.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	California Trout	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	51-200	75 contacts →
	Exact match “California Trout is a non-profit conservation organization that strives to solve complex resource issues while balancing the needs of wild fish and people through science-based…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Rainforest Action Network	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	51-200	74 contacts →
	Exact match “Rainforest Action Network preserves forests, protects the climate and upholds human rights by challenging corporate power and systemic injustice through frontline partnerships and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	stand.earth	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	71 contacts →
	Exact match “Stand.earth challenges corporations and governments to treat people and the environment with respect, because our lives depend on it.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Wildlife Conservation Network	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	68 contacts →
	Exact match “Founded in 2002, Wildlife Conservation Network (WCN) is dedicated to protecting endangered species and preserving their natural habitats.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Pacific Environment	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	51-200	65 contacts →
	Exact match “Pacific Environment confronts our most urgent environmental issues by connecting local and global movements, catalyzing policy change, and inspiring action for the benefit of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	TEN Strands	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	n/a	52 contacts →
	Exact match “Our mission is to strengthen the partnerships, strategies, and systems that advance environmental literacy, ensuring all California TK–12 students thrive in sustainable, resilient…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Sustainable Conservation	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	42 contacts →
	Exact match “Sustainable Conservation helps California thrive by uniting people to solve the toughest challenges facing our land, air and water.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	CEA Consulting	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	41 contacts →
	Exact match “CEA Consulting supports a wide range of philanthropies, nonprofits, businesses, and government agencies in effectively tackling urgent environmental challenges-from climate change…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Center For Resource Solutions	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	38 contacts →
	Exact match “Center for Resource Solutions (CRS) is an environmental nonprofit that creates policy and market solutions to advance sustainable energy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Breast Cancer Prevention Partners Bcpp	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	38 contacts →
	Exact match “For over 30 years, we have been the leading science-based policy and advocacy organization working to prevent breast cancer by eliminating our exposure to toxic chemicals.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Sher Edling LLP	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	36 contacts →
	Exact match “Sher Edling LLP represents states, tribes, water providers, public agencies, and businesses in high-impact, high-value environmental cases.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Green Jobs Network	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	n/a	33 contacts →
	Exact match “Founded in 2008, Green Jobs Network is dedicated to helping job seekers who are interested in environmental or social responsibility to find jobs, career resources, and build…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Deeproot Green Infrastructure, LLC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	25 contacts →
	Exact match “Our mission is to create a more livable built environment, providing a high level of ecosystem services, by using green infrastructure like trees, soil, and on-site stormwater…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	The Redford Center	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	1-10	24 contacts →
	Exact match “Co-founded in 2005 by activists and filmmakers Robert Redford and James Redford, The Redford Center is a nonprofit that advances environmental solutions through the power of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Biomaas INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	20 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Earth Force Technologies	Exact match	San Francisco, United StatesHQ recorded Sep 19, 2026	11-50	18 contacts →
	Exact match “The Earth is in crisis.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Literacy For Environmental Justice	Exact match	San Francisco, United StatesHQ recorded Sep 19, 2026	1-10	17 contacts →
	Exact match “Founded in 1998 by a coalition of youth, educators, and community leaders, LEJ addresses the ecological and health concerns of Bayview Hunters Point and the surrounding…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Brightline Defense	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	1-10	16 contacts →
	Exact match “Brightline is an environmental justice nonprofit that empowers communities and creates sustainable environments.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Pisces Foundation	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	11-50	15 contacts →
	Exact match “At the Pisces Foundation, we believe if we act now and boldly, we can quickly accelerate to a world where people and nature thrive together.” Recorded in the RevenueBase company graph · Sep 19, 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 “environmental organizations”. 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 128 environmental organizations based in San Francisco, United States

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Environmental organizations based in San Francisco, United States at a glance

As of Sep 19, 2026

56.4%Verified-email coverage

26.9Average contacts per company

1-10Median size (employees)

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 128 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 San Francisco, United States whose business descriptions match “environmental organizations” 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 1,940 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 19, 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.

Environmental organizations by metro in the United States

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 “environmental organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental organizations are there based in San Francisco, United States?

RevenueBase identified 128 company matches for environmental organizations associated with San Francisco, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Environmental Science Associates tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most environmental organizations?

Washington leads the United States with 209 company records, followed by New York (204) and Los Angeles (133). San Francisco has 128.

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 1,940 professional contacts with verified work emails tracked across these 128 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

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