Company lists · Data refreshed September 2026

Top 25 Environmental organizations based in Los Angeles, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 133 companies tracked

RevenueBase identified 133 environmental organizations headquartered in Los Angeles, United States as of September 2026 and tracks 1,054 professional contacts across them, including 235 with verified work emails. Washington is the largest hub.

This list covers environmental organizations headquartered in Los Angeles, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

133Companies

1,054Contacts tracked

235Verified emails

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The 25 largest environmental organizations based in Los Angeles, United States

Ranked by team size

Top 25 of 133 environmental organizations based in Los Angeles, United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to environmental organizations: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Pulsar Advertising	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	11-50	110 contacts →
	Indirect evidence “Pulsar is not your typical advertising and marketing agency.” Source: RevenueBase Database · checked Sep 19, 2026
2	Usgbc California	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	11-50	89 contacts →
	Indirect evidence “The U.S.” Source: RevenueBase Database · checked Sep 19, 2026
3	Better World Group	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	11-50	27 contacts →
	Strong evidence “We have been behind some of the boldest climate policies & environmental strategies in the US- working across sectors to ensure a future for the next generation.” Source: RevenueBase Database · checked Sep 19, 2026
4	ONE Earth	Indirect evidence	Los Angeles, United StatesHQ checked Sep 19, 2026	11-50	21 contacts →
	Indirect evidence “One Earth is a nonprofit organization that drives collective action to solve the interconnected crises of climate change and biodiversity loss.” Source: RevenueBase Database · checked Sep 19, 2026
5	LOS Angeles Waterkeeper	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	21 contacts →
	Indirect evidence “Los Angeles Waterkeeper’s mission is to fight for the health of the region’s waterways, and for sustainable, equitable and climate-friendly water supplies.” Source: RevenueBase Database · checked Sep 19, 2026
6	Good Planet Innovation	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	20 contacts →
	Indirect evidence “OUR MISSION Our mission is to facilitate a paradigm shift in the entertainment and advertising industries toward sustainable production and event practices as well as inspire…” Source: RevenueBase Database · checked Sep 19, 2026
7	Impact Sciences	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	11-50	18 contacts →
	Indirect evidence “Informing communities and creating a clear path to understanding are at the core of what we do at Impact Sciences.” Source: RevenueBase Database · checked Sep 19, 2026
8	International Student Environmental Coalition	Indirect evidence	Los Angeles, United StatesHQ checked Sep 19, 2026	51-200	18 contacts →
	Indirect evidence “ISEC is an international network of 30 countries that provides resources and organizational power to help students anywhere in the world engage in the grassroots movement of…” Source: RevenueBase Database · checked Sep 19, 2026
9	Physicians For Social Responsibility LOS Angeles	Strong evidence	Los Angeles, United StatesHQ checked Sep 19, 2026	11-50	17 contacts →
	Strong evidence “For over 40 years, we have elevated the trusted voices of healthcare professionals to support transformative, community-led movements for environmental justice and nuclear…” Source: RevenueBase Database · checked Sep 19, 2026
10	North East Trees	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	11-50	15 contacts →
	Strong evidence “We are a community-based, non-profit organization that helps heal environmental injustice through urban forestry, nature-based design-build, habitat restoration, and workforce…” Source: RevenueBase Database · checked Sep 19, 2026
11	Nature Nexus Institute	Indirect evidence	Los Angeles, United StatesHQ checked Sep 19, 2026	1-10	13 contacts →
	Indirect evidence “Nature Nexus Institute (NNI) is founded on the belief that reciprocity between communities and nature is essential to the survival of both.” Source: RevenueBase Database · checked Sep 19, 2026
12	Earth League International ELI	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	11-50	9 contacts →
	Strong evidence “Earth League International (ELI) is the only NGO in the world dedicated exclusively to investigating and addressing Environmental Crime Convergence-the intersection of…” Source: RevenueBase Database · checked Sep 19, 2026
13	Accelerated Restoration Collaborative	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	8 contacts →
	Strong evidence “ARC employs communities to restore the natural environment.” Source: RevenueBase Database · checked Sep 19, 2026
14	Yellow DOT Studios	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	8 contacts →
	Indirect evidence “Yellow Dot Studios is a non-profit media studio founded by filmmaker Adam-McKay (Don’t Look Up, The Big Short, Anchorman, Succession) to expose rampant Big Oil disinformation, so…” Source: RevenueBase Database · checked Sep 19, 2026
15	Sustainable Entertainment Alliance	Indirect evidence	Los Angeles, United StatesHQ checked Sep 19, 2026	1-10	7 contacts →
	Indirect evidence “The Sustainable Entertainment Alliance (formerly the Sustainable Production Alliance) is a consortium of leading studios, streamers, and industry stakeholders dedicated to…” Source: RevenueBase Database · checked Sep 19, 2026
16	Oxford Intelligent Energy	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	7 contacts →
	Indirect evidence “Our mission is to play a role reorganising human effort to enable households live cleaner, smarter, more meaningful lives.” Source: RevenueBase Database · checked Sep 19, 2026
17	Earth Tones LAB	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	5 contacts →
	Strong evidence “Environmental-focused media company amplifying diverse voices.” Source: RevenueBase Database · checked Sep 19, 2026
18	The Phylmar Group, INC	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	5 contacts →
	Indirect evidence “By integrating best-in-class industry information and analysis with regulatory advocacy and a peer networking forum combined with access to top-tier consultants located throughout…” Source: RevenueBase Database · checked Sep 19, 2026
19	Oneupaction International	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	5 contacts →
	Indirect evidence “Our mission is to empower young people with the necessary resources to develop and implement innovative climate solutions within their local communities, accelerating our…” Source: RevenueBase Database · checked Sep 19, 2026
20	Dkkevents & Dkkexperiences	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	11-50	5 contacts →
	Strong evidence “Progressive green event planning that blends style and taste with environmental responsibility.” Source: RevenueBase Database · checked Sep 19, 2026
21	Labeling Sustainability INC	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	11-50	5 contacts →
	Strong evidence “At Labeling Sustainability, we are dedicated to guiding manufacturers, their suppliers and their distributors through the intricate journey of environmental accountability.” Source: RevenueBase Database · checked Sep 19, 2026
22	Ayni Studios	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	5 contacts →
	Indirect evidence “Ayni Studios is an international media company sharing unfiltered stories across the globe.” Source: RevenueBase Database · checked Sep 19, 2026
23	The Adept Group	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	4 contacts →
	Indirect evidence “ADEPT is here to help your business, institution, or community thrive… and to make sure we look after our planet in the process.” Source: RevenueBase Database · checked Sep 19, 2026
24	ONE With The Ocean	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	1-10	4 contacts →
	Indirect evidence “Our journey began as a group of ocean swimmers, concerned by the trash we encountered during our swims.” Source: RevenueBase Database · checked Sep 19, 2026
25	Dancing Star Foundation	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 19, 2026	11-50	4 contacts →
	Indirect evidence “Dancing Star Foundation ("DSF") is a nonprofit public benefit corporation based in California.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: environmental organizations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names environmental organizations.
Partial evidence: Its own public description names part of environmental organizations, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name environmental organizations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 133 environmental organizations based in Los Angeles, United States

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Environmental organizations based in Los Angeles, United States at a glance

As of Sep 19, 2026

22.3%Verified-email coverage

7.9Average contacts per company

1-10Median size (employees)

157.1%Largest-city concentration · Washington

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

10001+

Email recency for this list is measured across the whole United States list rather than for Los Angeles, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 133 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among environmental organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Los Angeles, United States whose own description of what they do matches “environmental organizations”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names environmental organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among environmental organizations, and records with no verified work email. Companies headquartered outside Los Angeles are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 235 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Environmental organizations by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names environmental organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many environmental organizations are there based in Los Angeles, United States?

RevenueBase identified 133 environmental organizations headquartered in Los Angeles, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Pulsar Advertising, headquartered in Los Angeles, tops this list with the largest team on record.

Which city has the most environmental organizations?

Washington leads with 209 headquartered companies, followed by New York (204) and Los Angeles (133).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 235 verified decision-maker contacts tracked across these 133 companies.

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 Smart Search, 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.