Company lists · Data refreshed September 2026

Top 25 Environmental research organizations based in Portland, United States

Name: Environmental research 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 50 companies tracked

RevenueBase identified 50 company matches for environmental research organizations associated with Portland, United States as of September 2026 and tracks 1,215 professional contacts across them, including 333 with verified work emails. Across the United States, Washington is the largest hub for this category (107 companies); Portland has 50.

This list covers company matches for environmental research 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

50Companies

1,215Contacts tracked

333Verified emails

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The 25 largest environmental research organizations based in Portland, United States

Ranked by team size

Top 25 of 50 company matches for environmental research 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	Gulf Of Maine Research Institute	Exact match	Portland, ME, United StatesHQ recorded Sep 19, 2026	51-200	122 contacts →
	Exact match “The Gulf of Maine Research Institute (GMRI) pioneers collaborative solutions to global ocean challenges.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Biodiversity Research Institute	Exact match	Portland, ME, United StatesHQ recorded Sep 19, 2026	51-200	82 contacts →
	Exact match “Our mission is to advance the understanding of biodiversity and their ecosystems by conducting independent science that informs decision-making and supports the conservation and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Mason, Bruce & Girard, Inc. Mb&g	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	51-200	77 contacts →
	Exact match “Since 1921 Mason, Bruce & Girard, Inc.(MB & G) has provided forestry, environmental, and geospatial services to public and private clients.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	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
5	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
6	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
7	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
8	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
9	Mosaic Ecology LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	17 contacts →
	Exact match “As a natural resource management firm, we provide the expertise and resources to sustainably integrate natural areas into the human environment, bring degraded land to life, and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	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
11	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
12	Rose City Laboratories	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	14 contacts →
	Exact match “Oregon's premier environmental testing laboratory, Rose City Labs strives to provide accurate, precise and dependable analytical testing for all industries, supplying businesses…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Evren Northwest, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	10 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	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
15	Defend OUR Health	Exact match	Portland, ME, United StatesHQ recorded Sep 19, 2026	1-10	7 contacts →
	Exact match “Defend Our Health is a Maine-based nonprofit organization that works to create a world where all people are thriving, with equal access to safe food and drinking water, healthy…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	EES Environmental Consulting INC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	4 contacts →
	Exact match “EES is a unique team of professional consultants specializing in environmental assessment, investigation, and cleanup services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Gray Family Foundation Portland, OR	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “The Gray Family Foundation is founded on the belief that fostering an understanding and appreciation of our natural world is a crucial part of a child’s education.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Aquarius Environmental, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “Aquarius Environmental is an environmental engineering and consulting firm specializing in water related design, treatment, and compliance.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Pdxwildlife	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	3 contacts →
	Exact match “PDXWildlife is a 501 (c)(3) non-profit.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Minerva Ventures	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	2 contacts →
	Exact match “OUR MISSION We believe that economic success requires a stable climate and healthy ecosystems to enable robust markets, access to materials, transportation, energy, food, water…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Lichen Land And Water INC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Integrative Economics, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	2 contacts →
	Exact match “We are building a transdisciplinary team to help tackle pest and disease challenges in agriculture.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	KWA Ecological Sciences, Inc. And KWA Documentary Films, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	11-50	1 contacts →
	Exact match “KWA Ecological Sciences, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Northwest Environmental Advocates	Exact match	Portland, OR, United StatesHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match “Established in 1969 our mission is to work through advocacy and education to protect and restore water and air quality, wetlands, and wildlife habitat.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Primrose Research Group LLC	Exact match	Portland, ME, United StatesHQ recorded Sep 19, 2026	1-10	1 contacts →
	Exact match “We support public, community, and non-profit partners on a range of parks, trails, and land conservation research, planning, advocacy, and analysis efforts.” 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 research 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 50 environmental research organizations based in Portland, United States

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Environmental research organizations based in Portland, United States at a glance

As of Sep 19, 2026

27.4%Verified-email coverage

24.3Average contacts per company

1-10Median size (employees)

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 50 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 research 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 333 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 research 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 research organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental research organizations are there based in Portland, United States?

RevenueBase identified 50 company matches for environmental research 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?

Gulf Of Maine Research Institute 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 research organizations?

Washington leads the United States with 107 company records, followed by New York (82) and Seattle (66). Portland has 50.

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 333 professional contacts with verified work emails tracked across these 50 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.