Company lists · Data refreshed November 2026

Top 25 Ecosystems protection services based in the United States

RevenueBase identified 514 company matches for ecosystems protection services associated with the United States as of November 2026 and tracks 13,712 professional contacts across them, including 5,565 with verified work emails. San Diego is the largest hub.

This list covers company matches for ecosystems protection services 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 November 6, 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 Nov 6, 2026 How this list was built
514Companies
13,712Contacts tracked
5,565Verified emails
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The 25 largest ecosystems protection services based in the United States

Ranked by team size
Top 25 of 514 company matches for ecosystems protection services based in the United States, 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, NC, United StatesHQ recorded Nov 6, 20265,001-10,0006,991 contacts →

Exact match

“Air, water, food, shelter, income: nature sustains every aspect of our lives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, OR, United StatesHQ recorded Nov 6, 2026501-1,000748 contacts →

Exact match

“ESA is a 100% employee-owned environmental consulting firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchSan Rafael, CA, United StatesHQ recorded Nov 6, 202651-200196 contacts →

Exact match

“WRA is an environmental consultancy that’s making a net positive impact.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchLos Gatos, CA, United StatesHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Since 1970, the highly-trained ecologists and professionals at H.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchBend, OR, United StatesHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“SummitWest is an environmental consulting company that is home to a team of dynamic, solution-oriented thinkers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchColumbia, IL, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Naturion is a market leader in the wetland and stream mitigation industry providing high-quality ecological restoration for degraded ecosystems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchRocklin, CA, United StatesHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“Wildlands is a habitat development, land management, and environmental planning company with projects throughout the Western United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchJensen Beach, FL, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Ecological Associates, Inc.(EAI) is a multi-disciplinary environmental consulting firm headquartered in Jensen Beach, Florida.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCarmel, CA, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“RANA is an award-winning ecological design company specializing in landscape architecture, environmental planning, habitat restoration, native plant propagation, and sustainable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchFullerton, CA, United StatesHQ recorded Nov 6, 202651-20047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchTomball, TX, United StatesHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“EPR was created in 2012 to be a premier environmental planning and ecosystem restoration company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWarrenton, VA, United StatesHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“For more than 35 years, Rainforest Trust has not wavered from its mission of preventing deforestation, preserving critical habitat and safeguarding endangered species.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBaton Rouge, VA, United StatesHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“COASTAL ENVIRONMENTS, INC.(CEI), a Baton Rouge-based company, has provided environmental services in the areas of applied science, planning and cultural resources since 1972.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLogan, UT, United StatesHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“BIO-WEST is a full-service environmental planning and consulting firm offering a wide variety of services to private clients and government agencies since 1976.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPaint Lick, KY, United StatesHQ recorded Nov 6, 202611-5045 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchOjai, CA, United StatesHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Pax Environmental, Inc.(Pax) is a veteran-owned environmental consulting firm based in Ojai, California.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBrighton, MI, United StatesHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“As part of PEA Group, ASTI Environmental helps clients turn environmental and ecological challenges into opportunities, combining technical expertise with creative problem-solving…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“The Pennsylvania Environmental Council (PEC) protects and restores the natural and built environments through innovation, collaboration, education and advocacy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchGig Harbor, WA, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Celebrating 15 years in business, Soundview Consultants LLC is an environmental consulting firm specializing in natural resource assessments, environmental planning, land use, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSchaumburg, WI, United StatesHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Tallgrass Restoration works in partnership with public, private, and corporate clients committed to restoring their landscapes, to create ecologically sustainable natural…”

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

Showing 25 of 514 ecosystems protection services based in the United States

See the full list, filter by size, metro and specialty, and access 5,565 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ecosystems protection services based in the United States at a glance

As of Nov 6, 2026
40.6%Verified-email coverage
26.7Average contacts per company
1-10Median size (employees)
1.9%Largest-city concentration · San Diego
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
307
11-50
165
51-200
34
201-500
4
501-1,000
2
5,001-10,000
1

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 514 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 “ecosystems protection services” 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 5,565 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.

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 “ecosystems protection services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ecosystems protection services are there based in the United States?

RevenueBase identified 514 company matches for ecosystems protection services associated with the United States 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?

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

Which city has the most ecosystems protection services?

San Diego leads with 10 company records, followed by Fort Collins (8) and Denver (6).

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 5,565 professional contacts with verified work emails tracked across these 514 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.