Company lists · Data refreshed September 2026

Top 25 Wetland conservation groups based in the United States

RevenueBase identified 61 company matches for wetland conservation groups associated with the United States as of September 2026 and tracks 475 professional contacts across them, including 178 with verified work emails. Portland is the largest hub.

This list covers company matches for wetland conservation groups 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 September 22, 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 22, 2026 How this list was built
61Companies
475Contacts tracked
178Verified emails
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The 25 largest wetland conservation groups based in the United States

Ranked by team size
Top 25 of 61 company matches for wetland conservation groups based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchEmmaus, PA, United StatesHQ recorded Sep 22, 202611-5035 contacts →

Exact match

“Our Mission: Protect and restore critical natural areas and waterways and educate the community to create a legacy of a healthy, sustainable environment for future generations.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchCosta Mesa, CA, United StatesHQ recorded Sep 22, 202611-5030 contacts →

Exact match

“Orange County Coastkeeper (Coastkeeper) is a nonprofit clean water organization that serves as a proactive steward of our fresh- and saltwater ecosystems.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchNew Orleans, LA, United StatesHQ recorded Sep 22, 202611-5029 contacts →

Exact match

“The Coalition to Restore Coastal Louisiana is a nonprofit organization whose mission is to unite people in action to achieve a thriving, sustainable Louisiana coast for all.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchRaleigh, NC, United StatesHQ recorded Sep 22, 202611-5027 contacts →

Exact match

“Since 1945, the North Carolina Wildlife Federation has worked for all wildlife and habitat, bringing together citizens, outdoor enthusiasts, hunters and anglers, government and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchGaithersburg, MD, United StatesHQ recorded Sep 22, 202611-5023 contacts →

Exact match

“The Izaak Walton League was formed in 1922 to save outdoor America for future generations.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchAtlanta, GA, United StatesHQ recorded Sep 22, 20261-1023 contacts →

Exact match

“Georgia Conservation Voters is a statewide, 501(c)4 nonpartisan organization dedicated to turning our shared conservation values into state priorities.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Sep 22, 202611-5022 contacts →

Exact match

“The Wetlands Initiative (TWI) envisions a world with plentiful healthy wetlands improving water quality, climate, biodiversity, and human well-being.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchColoma, CA, United StatesHQ recorded Sep 22, 202611-5021 contacts →

Exact match

“The American River Conservancy works to preserve rivers, land, and the life they support through land conservation, stewardship, and education.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202611-5016 contacts →

Exact match

“Founded in 1995, Restore America’s Estuaries leads a national alliance of 10 coastal conservation groups dedicated to restoring and preserving America’s estuaries and coasts.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchPortland, ME, United StatesHQ recorded Sep 22, 20261-1012 contacts →

Exact match

“The National Association of Wetland Managers (NAWM*), is a nonprofit membership organization established in 1983.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchMclean, VA, United StatesHQ recorded Sep 22, 20261-1012 contacts →

Exact match

“The mission of the Society of Wetland Scientists (SWS) is to promote understanding, conservation, protection, restoration, science-based management and sustainability of wetlands.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchState College, PA, United StatesHQ recorded Sep 22, 20261-1011 contacts →

Exact match

“Centre County, PA based natural resource conservation organization whose mission is to conserve and restore the environment through land conservation, water resources protection…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchMequon, WI, United StatesHQ recorded Sep 22, 20261-1011 contacts →

Exact match

“OUR MISSION Be a guiding example of habitat restoration by returning 510 acres of land on the edge of NW Milwaukee and Mequon to a mosaic of forests, prairies and wetlands and to…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchFort Wayne, IN, United StatesHQ recorded Sep 22, 20261-1011 contacts →

Exact match

“Little River Wetlands Project (LRWP) is a nonprofit land trust founded in 1990.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchEugene, OR, United StatesHQ recorded Sep 22, 202611-5011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchMontpelier, VT, United StatesHQ recorded Sep 22, 20261-1010 contacts →

Exact match

“Vermont River Conservancy is a non-profit land trust protecting public access to our rivers, conserving wildlife habitat and important wetlands, and promoting flood adaptive…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchBelmont, MA, United StatesHQ recorded Sep 22, 20261-1010 contacts →

Exact match

“Founded in 1961 and incorporated in 1978, MACC is a statewide non-profit 501(c)(3) organization based in Belmont, Massachusetts.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchBurdett, NY, United StatesHQ recorded Sep 22, 20261-1010 contacts →

Exact match

“The Wetland Trust, Inc.(TWT) is a 501C(3) non-profit Corporation that uses the best science available to protect and restore wetlands and unique wetland biodiversity with special…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Sep 22, 202611-5010 contacts →

Exact match

“Homepage 050319 - No Bees, No Food”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchMiami, FL, United StatesHQ recorded Sep 22, 20261-108 contacts →

Exact match

“Established as a National Audubon Society chapter in 1947, Tropical Audubon Society (TAS) traces its roots to the 1915 Coconut Grove Audubon Society, the first in Dade County.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchPortland, OR, United StatesHQ recorded Sep 22, 20261-108 contacts →

Exact match

“The Wetlands Conservancy (TWC) is the only organization in Oregon dedicated to promoting community and private partnerships to permanently protect and conserve Oregon’s greatest…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchNorfolk, VA, United StatesHQ recorded Sep 22, 20261-108 contacts →

Exact match

“Protecting wetlands to reduce flood risk, safeguard habitats, and strengthen communities throughout Virginia.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchMadison, WI, United StatesHQ recorded Sep 22, 20261-107 contacts →

Exact match

“Wisconsin Wetlands Association is dedicated to the protection, restoration, and enjoyment of wetlands and associated ecosystems through science-based programs, education, and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchCheney, KS, United StatesHQ recorded Sep 22, 202611-505 contacts →

Exact match

“The Kansas Alliance for Wetlands and Streams (KAWS) is a non-profit organization working to connect the lands, water, and people of Kansas.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchRoseburg, OR, United StatesHQ recorded Sep 22, 20261-105 contacts →

Exact match

“Umpqua Watersheds is dedicated to the protection and restoration of the Umpqua Watersheds and beyond through education, training, advocacy and ecologically sound stewardship.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 61 wetland conservation groups based in the United States

See the full list, filter by size, metro and specialty, and access 178 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Wetland conservation groups based in the United States at a glance

As of Sep 22, 2026
37.5%Verified-email coverage
7.8Average contacts per company
1-10Median size (employees)
4.9%Largest-city concentration · Portland
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
15

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 61 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 “wetland conservation groups” 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 178 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 22, 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.

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 “wetland conservation groups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many wetland conservation groups are there based in the United States?

RevenueBase identified 61 company matches for wetland conservation groups associated with the 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?

Wildlands Conservancy PA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most wetland conservation groups?

Portland leads with 3 company records, followed by Washington (3) and Charleston (2).

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 178 professional contacts with verified work emails tracked across these 61 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 22, 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.