Company lists · Data refreshed September 2026

Top 25 Environmental organizations based in Portland, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 84 companies tracked

RevenueBase identified 84 company matches for environmental organizations associated with Portland, United States as of September 2026 and tracks 1,203 professional contacts across them, including 465 with verified work emails. Across the United States, Washington is the largest hub for this category (209 companies); Portland has 84.

This list covers company matches for environmental organizations associated with Portland, 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

84Companies

1,203Contacts tracked

465Verified emails

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The 25 largest environmental organizations based in Portland, United States

Ranked by team size

Top 25 of 84 company matches for environmental organizations based in Portland, 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	Health In Harmony	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	78 contacts →
	Exact match “Health In Harmony’s mission is to reverse tropical rainforest deforestation for planetary health.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	The Freshwater Trust	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	51-200	58 contacts →
	Exact match “The Freshwater Trust is focused on using insight to solve problems at the intersection of water and the economy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Bonneville Environmental Foundation BEF	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	46 contacts →
	Exact match “A national nonprofit, BEF empowers businesses to be in balance with the environment through a full suite of environmental products, educational and community engagement programs…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Friends Of Trees	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	40 contacts →
	Exact match “Friends of Trees inspires people to improve the world around them through a simple solution: Planting trees.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	World Forestry Center	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	40 contacts →
	Exact match “Founded in 1964 in Portland, Oregon, World Forestry Center is a nonprofit dedicated to creating and inspiring champions of sustainable forestry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Oregon Environmental Council	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	30 contacts →
	Exact match “Oregon Environmental Council brings Oregonians together to protect the water, air, and land we all share and love.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Reverb	Exact match	Portland, ME, United StatesHQ recorded Sep 19, 2026	11-50	29 contacts →
	Exact match “Leading the green music movement since 2004, REVERB is a 501c3 nonprofit partnering with artists, festivals, venues, and industry leaders to reduce their environmental footprint…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Global Electronics Council	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	29 contacts →
	Exact match “Global Electronics Council (GEC), formerly known as the Green Electronics Council, is a mission-driven non-profit launched in 2006 and dedicated to creating a more just and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	FB Environmental Associates	Exact match	Portland, ME, United StatesHQ recorded Sep 19, 2026	11-50	28 contacts →
	Exact match “Where Science Meets Civics" Our Mission: FB Environmental is dedicated to practical stewardship of our natural world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	SOLVE	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	28 contacts →
	Exact match “SOLVE is a statewide, 501(c)(3) nonprofit organization with a mission to bring Oregonians together to improve our environment and build a legacy of stewardship.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Friends Of The Columbia Gorge	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	25 contacts →
	Exact match “Keeping the Columbia Gorge wild and beautiful is the core of what we do.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Environment Oregon	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	25 contacts →
	Exact match “Environment Oregon advocates on behalf of its more than members for clean air, clean water, and open space.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	VERDE	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	21 contacts →
	Exact match “Verde serves communities by building environmental wealth through social enterprise outreach and advocacy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Oregon Wild	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	20 contacts →
	Exact match “Oregon Wild works to protect and restore Oregon’s wildlands, wildlife and waters as an enduring legacy for all Oregonians.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Samara Group PDX	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	19 contacts →
	Exact match “Samara Group LLC was founded to enhance environmental projects centered around rigorous science, inclusive partnerships, and effective communications.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Green Sports Alliance	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	18 contacts →
	Exact match “Green Sports Alliance leverages the cultural and market influence of sports to promote healthy, sustainable communities where we live, work, and play.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Ecology In Classrooms & Outdoors ECO	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	15 contacts →
	Exact match “Ecology in Classrooms and Outdoors (ECO) is a tax-exempt, non-profit organization dedicated to presenting hands-on, ecology-based enrichment learning opportunities that are an…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Crag LAW Center	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	14 contacts →
	Exact match “Crag Law Center is an environmental nonprofit based in Portland, Oregon that provides free and low cost legal services to conservation groups, grassroots activists, and Tribes…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Willamette Partnership	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	14 contacts →
	Exact match “Willamette Partnership is a conservation nonprofit based in Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Oregon League Of Conservation Voters	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	13 contacts →
	Exact match “OLCV works to protect Oregon's natural legacy, elect pro-environment candidates, and hold our elected officials accountable.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Industrial Treatment Of Water LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	13 contacts →
	Exact match “Energy and Water Conservation & Sustainability” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	350pdx	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	12 contacts →
	Exact match “350PDX’s mission is to build a diverse grassroots movement to address the causes of climate disruption through justice-based solutions by inspiring, training and mobilizing people…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Center For Diversity & The Environment	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	9 contacts →
	Exact match “The Center for Diversity & the Environment centers the power of racial and ethnic diversity to transform the US environmental movement by developing leaders, catalyzing change…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	SEE Turtles	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	9 contacts →
	Exact match “SEE Turtles protects endangered sea turtles around the world by supporting community-based conservation efforts to protect nesting beaches, promote conservation travel, get…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Defend Them ALL	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	9 contacts →
	Exact match “Our Mission The Defend Them All Foundation (DTA) is a 501(c)(3) nonprofit working to secure a better future for all animals and their habitats by preserving the symbiotic…” 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 84 environmental organizations based in Portland, United States

See the full list, filter by size, metro and specialty, and access 465 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental organizations based in Portland, United States at a glance

As of Sep 19, 2026

38.7%Verified-email coverage

14.3Average contacts per company

1-10Median size (employees)

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

Email recency for this list is measured across the whole United States list rather than for Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 84 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 Portland, 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 465 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 Portland, United States?

RevenueBase identified 84 company matches for environmental organizations associated with Portland, 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?

Health In Harmony 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). Portland has 84.

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 465 professional contacts with verified work emails tracked across these 84 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.