Company lists · Data refreshed November 2026

Top 25 Nature preserve operators worldwide

RevenueBase identified 1,004 company matches for nature preserve operators worldwide as of November 2026 and tracks 16,843 professional contacts across them, including 5,156 with verified work emails. The United States is the largest market and Eugene the largest hub.

This list covers company matches for nature preserve operators 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 nature preserve operators 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
1,004Companies
16,843Contacts tracked
5,156Verified emails
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The 25 largest nature preserve operators worldwide

Ranked by team size
Top 25 of 1,004 company matches for nature preserve operators 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 matchJohannesburg, South AfricaHQ recorded Nov 6, 20261,001-5,000767 contacts →

Exact match

“As a world leading conservation and hospitality company, we are the proud custodians of our planet's most significant wild places, each chosen to be part of our Collection for a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOakland, CA, United StatesHQ recorded Nov 6, 2026501-1,000710 contacts →

Exact match

“The East Bay Regional Park District is a system of beautiful parklands, open space, and trails in Alameda and Contra Costa counties east of San Francisco.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHong Kong Island South, Hong KongHQ recorded Nov 6, 20261,001-5,000699 contacts →

Exact match

“Vision Statement: A world where we take action to conserve our environment and grow positively with nature.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchJakarta, IndonesiaHQ recorded Nov 6, 20261,001-5,000686 contacts →

Exact match

“We are a different breed of animal conservation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLincoln, MA, United StatesHQ recorded Nov 6, 2026201-500575 contacts →

Exact match

“Mass Audubon is the largest nature-based conservation organization in New England.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNew Orleans, LA, United StatesHQ recorded Nov 6, 2026201-500438 contacts →

Exact match

“Audubon Nature Institute is a unique private, not-for-profit organization with an expansive collection of world-class attractions, conservation programs, facilities and wilderness…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRoyal Oak, MI, United StatesHQ recorded Nov 6, 2026201-500389 contacts →

Exact match

“The Detroit Zoological Society (DZS) is a nonprofit organization that operates the Detroit Zoo in Royal Oak, Mich.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 2026501-1,000306 contacts →

Exact match

“Whitewater is a 501(c)(3) nonprofit and outdoor lifestyle brand that facilitates outdoor access by lowering barriers and inspiring people to get outside.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202651-200304 contacts →

Exact match

“In ARTIS inspireren en stimuleren wij een breed publiek verantwoordelijk met natuur om te gaan.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDayton, OH, United StatesHQ recorded Nov 6, 2026201-500213 contacts →

Exact match

“Five Rivers MetroParks protects the region's natural heritage and provides outdoor experiences that inspire a personal connection with nature.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBurlington, ON, CanadaHQ recorded Nov 6, 202651-200173 contacts →

Exact match

“Part of the Niagara Escarpment UNESCO World Biosphere Reserve, RBG plays a vital role in this region, protecting and preserving 2,100+ acres of environmentally sensitive areas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchStockholm, SwedenHQ recorded Nov 6, 202611-50139 contacts →

Exact match

“Friluftsfrämjandet är en demokratisk, partipolitiskt och religiöst obunden ideell organisation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchColchester, United KingdomHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“We are the county’s leading conservation charity, committed to protecting wildlife and inspiring a lifelong love of nature.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSummerlands, AustraliaHQ recorded Nov 6, 2026201-500116 contacts →

Exact match

“Only 90 minutes from Melbourne, Phillip Island Nature Parks attracts over 1.3 million visitors annually to its five ecotourism attractions including the Penguin Parade, the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRichmond, VA, United StatesHQ recorded Nov 6, 202651-200113 contacts →

Exact match

“Maymont, located in the heart of Richmond, Virginia, is a well-preserved 100 acres where all are welcome to connect with history, nature, wildlife and each other.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBoulder, CO, United StatesHQ recorded Nov 6, 202611-50107 contacts →

Exact match

“Leave No Trace is a member-funded 501(c)(3) non-profit organization providing Leave No Trace programs, education, training, and outreach in all 50 states and more than 100…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHeiloo, NetherlandsHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“Landschap Noord-Holland: Natuur dichtbij!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCumberland, OH, United StatesHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“At The Wilds, our mission is simple but powerful: Empowering People.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMedia, PA, United StatesHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“Natural Lands is dedicated to preserving and nurturing nature’s wonders while creating opportunities for joy and discovery in the outdoors for everyone.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFort Mill, SC, United StatesHQ recorded Nov 6, 2026201-50085 contacts →

Exact match

“In 1995, the Anne Springs Close Greenway, a 2,100 acre nature preserve in Fort Mill, South Carolina, was dedicated to the public to serve as a natural buffer from urban…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchYellowstone National Park, United StatesHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“Yellowstone Forever is the official nonprofit partner of Yellowstone National Park.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMilford, OH, United StatesHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“Cincinnati Nature Center connects people of all ages with the natural world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNew Territories, Hong KongHQ recorded Nov 6, 2026201-50073 contacts →

Exact match

“Kadoorie Farm and Botanic Garden (KFBG) is situated in the rural New Territories, on the northern slopes of Tai Mo Shan, Hong Kong’s highest mountain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 202611-5072 contacts →

Exact match

“For 25 years, the Santa Valley Open Space Authority – in partnership with community members, nonprofits, and other agencies – has contributed to the quality of life in our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNice Cedex 1, FranceHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Espace reconnu comme exceptionnel pour sa biodiversité, ses paysages, son patrimoine, le Parc a pour missions de protéger et connaître, contribuer au développement local…”

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

Showing 25 of 1,004 nature preserve operators worldwide

See the full list, filter by size, metro and specialty, and access 5,156 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nature preserve operators worldwide at a glance

As of Nov 6, 2026
30.6%Verified-email coverage
16.8Average contacts per company
1-10Median size (employees)
0.5%Largest-city concentration · Eugene
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
571
11-50
317
51-200
70
201-500
15
501-1,000
8
1,001-5,000
3
10001+
1

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 nature preserve operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “nature preserve operators” 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 5,156 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.

Nature preserve operators by location

5 lists · largest first

Every Nature preserve operators 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 “nature preserve operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nature preserve operators are there worldwide?

RevenueBase identified 1,004 company matches for nature preserve operators 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?

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

Which country has the most nature preserve operators?

The United States leads with 530 companies, followed by Canada (59) and the United Kingdom (37). Every nature preserve operators list by country and city is linked on this page.

Which city has the most nature preserve operators?

Eugene leads with 5 company records, followed by Jackson (5) and Austin (4).

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 5,156 professional contacts with verified work emails tracked across these 1,004 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.