Company lists · Data refreshed November 2026

Top 25 Environmental restoration volunteer groups worldwide

RevenueBase identified 898 company matches for environmental restoration volunteer groups worldwide as of November 2026 and tracks 11,269 professional contacts across them, including 2,834 with verified work emails. The United States is the largest market and Portland the largest hub.

This list covers company matches for environmental restoration volunteer groups worldwide, 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 November 6, 2026. Country and city lists for environmental restoration volunteer groups follow the table.

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 Nov 6, 2026 How this list was built
898Companies
11,269Contacts tracked
2,834Verified emails
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The 25 largest environmental restoration volunteer groups worldwide

Ranked by team size
Top 25 of 898 company matches for environmental restoration volunteer groups worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchArlington, WA, United StatesHQ recorded Nov 6, 2026201-500880 contacts →

Exact match

“The Student Conservation Association (SCA) is the largest provider of hands-on environmental conservation programs for youth and adults.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFlagstaff, AZ, United StatesHQ recorded Nov 6, 202651-200575 contacts →

Exact match

“American Conservation Experience (ACE) is a national nonprofit conservation corps that recruits, trains, and mobilizes over young adults and emerging professionals annually to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202651-200500 contacts →

Exact match

“TEMA Vakfı, erozyonla mücadele ve doğal varlıklarımızı koruma amacıyla kurulan ve bugün yaklaşık 1 milyon 300 bin gönüllüsü bulunan bir halk hareketidir.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAnand, IndiaHQ recorded Nov 6, 2026201-500465 contacts →

Exact match

“We work towards the ecological restoration and conservation of land and water resources, in conserving the uplands and other eco-fragile, degraded and marginalised zones of the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDoncaster, United KingdomHQ recorded Nov 6, 2026201-500359 contacts →

Exact match

“We are The Conservation Volunteers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBozeman, MT, United StatesHQ recorded Nov 6, 2026n/a244 contacts →

Exact match

“Montana Conservation Corps is a nonprofit organization whose mission is to inspire young people, through hands-on conservation service to be leaders, stewards of the land, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSt. Paul, IA, United StatesHQ recorded Nov 6, 2026201-500218 contacts →

Exact match

“At Conservation Corps Minnesota & Iowa, youth and young adults grow as environmental stewards and leaders while giving back to the community through meaningful service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200156 contacts →

Exact match

“Founded in 1875, American Forests is the oldest national nonprofit conservation organization in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMillersville, MD, United StatesHQ recorded Nov 6, 2026201-500116 contacts →

Exact match

“Our mission is to be the keystone species in the restoration of the Chesapeake Bay.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTerrey Hills, AustraliaHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“Toolijooa Environmental Restoration is a leading provider of environmental management and restoration services throughout the Greater Sydney Region, the Hunter Valley, Southern…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBoston, United StatesHQ recorded Nov 6, 2026n/a102 contacts →

Exact match

“Earthwatch Institute is focused on expanding access to hands-on science education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMilwaukee, WI, United StatesHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“Our vision is to inspire generations to build environmental curiosity, understanding, and respect.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBrisbane, AustraliaHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Healthy Land & Water is the peak environmental group for South East Queensland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5096 contacts →

Exact match

“EarthCorps cultivates leaders and community partnerships to advance environmental justice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 202611-5095 contacts →

Exact match

“Bridging The Gap brings people together to protect and restore the web of life on Earth and foster inclusive, thriving communities through environmental education, innovation, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“The San Francisco Conservation Corps motivates and connects youth with inspiring work, quality education, and a better future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChico, CA, United StatesHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“River Partners brings life back to rivers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew Haven, NY, United StatesHQ recorded Nov 6, 202611-5082 contacts →

Exact match

“Save the Sound leads environmental action across Connecticut, Westchester, NYC, and Long Island.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSeven Hills, AustraliaHQ recorded Nov 6, 202611-5078 contacts →

Exact match

“We're caring for and restoring natural areas for now and the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBrodhead, WI, United StatesHQ recorded Nov 6, 2026501-1,00060 contacts →

Exact match

“Applied Ecological Services was acquired by RES in 2021.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAuckland, New ZealandHQ recorded Nov 6, 202611-5059 contacts →

Exact match

“Conservation Volunteers New Zealand was founded in 2006.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchKalamazoo, MI, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Kalamazoo Nature Center is an environmental services company based out of Kalamazoo, Michigan.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchThailandHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“ถึงเวลาแล้ว ที่เราจะต้องสร้างการเปลี่ยนแปลงให้คนในสังคมหันมาตระหนักเรื่องการอนุรักษ์สิ่งแวดล้อมได้อย่างแท้จริง เสนาขอทุ่มเท และเริ่มต้นด้วยโครงการ “ Green Giving ”…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchForest Hill, MD, United StatesHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Ecotone, Inc, a Maryland corporation founded in 1998, is one of few companies that provides full delivery ecosystem restoration services including, restoration design, consulting…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSurrey, BC, CanadaHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“A Rocha’s mission is to live out God’s calling to care for creation and equip others to do likewise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 898 environmental restoration volunteer groups worldwide

See the full list, filter by size, metro and specialty, and access 2,834 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental restoration volunteer groups worldwide at a glance

As of Nov 6, 2026
25.1%Verified-email coverage
12.5Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · Portland
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
557
11-50
237
51-200
61
201-500
16
501-1,000
6
1,001-5,000
5
5,001-10,000
2
10001+
3

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for environmental restoration volunteer groups are linked below.
What qualifies
Company records worldwide whose business descriptions match “environmental restoration volunteer 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. 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 2,834 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 November 6, 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 restoration volunteer groups by location

4 lists · largest first

Every Environmental restoration volunteer groups list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 restoration volunteer groups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental restoration volunteer groups are there worldwide?

RevenueBase identified 898 company matches for environmental restoration volunteer groups worldwide as of November 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?

Student Conservation Association tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most environmental restoration volunteer groups?

The United States leads with 401 companies, followed by Australia (55) and Canada (40). Every environmental restoration volunteer groups list by country and city is linked on this page.

Which city has the most environmental restoration volunteer groups?

Portland leads with 8 company records, followed by London (7) and Toronto (7).

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 2,834 professional contacts with verified work emails tracked across these 898 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 November 6, 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.