Company lists · Data refreshed September 2026
Top 25 Naturalist guide services based in the United States
RevenueBase identified 438 company matches for naturalist guide services associated with the United States as of September 2026 and tracks 6,267 professional contacts across them, including 2,100 with verified work emails. Jackson is the largest hub.
This list covers company matches for naturalist guide 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 September 20, 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.
The 25 largest naturalist guide services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 795 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 554 contacts → | ||||
Exact match “Mass Audubon is the largest nature-based conservation organization in New England.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 378 contacts → | ||||
Exact match “The mission of the Appalachian Mountain Club is to foster the protection, enjoyment, and understanding of the outdoors.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 188 contacts → | ||||
Exact match “Environmental science in nature’s classroom NatureBridge provides hands-on environmental science programs for young people.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 127 contacts → | ||||
Exact match “Wilderness Inquiry connects people of all ages, backgrounds, identities, and abilities to shared outdoor adventures so that all people can equitably experience the benefits of…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 118 contacts → | ||||
Exact match “Teton Science Schools connects people, place, and nature through education.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 112 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 91 contacts → | ||||
Exact match “The Mountaineers is a community of outdoor enthusiasts passionate about exploration, discovery, learning, and conservation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 88 contacts → | ||||
Exact match “At The Wilds, our mission is simple but powerful: Empowering People.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 78 contacts → | ||||
Exact match “Cincinnati Nature Center connects people of all ages with the natural world.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 71 contacts → | ||||
Exact match “The Chattahoochee Nature Center's (CNC) mission is to connect people with nature.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 68 contacts → | ||||
Exact match “ODC Network (ODC) is a 501(c)(3) nonprofit organization based in Holland, Michigan, with a mission to advance outdoor education and conservation throughout West Michigan.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 67 contacts → | ||||
Exact match “We inspire and empower environmental stewardship for all through transformative experiences in nature.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 57 contacts → | ||||
Exact match “Once a farm for the Schlitz Brewery draft horses, Schlitz Audubon Nature Center is Milwaukee’s comprehensive nature center.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 56 contacts → | ||||
Exact match “Kalamazoo Nature Center is an environmental services company based out of Kalamazoo, Michigan.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 54 contacts → | ||||
Exact match “At Irvine, we guide learning.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 52 contacts → | ||||
Exact match “The Nature of Learning Sierra Nevada Journeys is a 501(c)3 nonprofit in Northern Nevada and Northern California that delivers innovative outdoor, science-based education programs…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 49 contacts → | ||||
Exact match “Aspen Center for Environmental Studies (ACES) is a non-profit environmental science education center with four sites in the Roaring Fork Valley.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 48 contacts → | ||||
Exact match “The Schuylkill Center for Environmental Education inspires meaningful connections between people and nature.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 46 contacts → | ||||
Exact match “The Houston Arboretum & Nature Center is a non-profit organization with a mission to provide education about the natural environment to people of all ages and to protect and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 45 contacts → | ||||
Exact match “NorthBay Education is the premier outdoor school in the nation, ready to welcome students for the experience of a lifetime.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 45 contacts → | ||||
Exact match “Wilderness Awareness School, a 501(c)(3) not-for-profit organization founded in 1983, is an internationally-recognized leader in outdoor education.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 42 contacts → | ||||
Exact match “Where nature education, conservation, and science meet.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 42 contacts → | ||||
Exact match “Camp Timber-lee creates life changing camp experience for people of all ages throughout the year.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 42 contacts → | ||||
Exact match “Every child, regardless of race or economic background should have the opportunity to experience the therapeutic benefits of time spent in nature.” Recorded in the RevenueBase company graph · Sep 20, 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 “naturalist guide services”. 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 438 naturalist guide services based in the United States
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Naturalist guide services based in the United States at a glance
As of Sep 20, 2026Companies by employee count
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 438 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 “naturalist guide 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 2,100 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 20, 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 “naturalist guide services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many naturalist guide services are there based in the United States?
RevenueBase identified 438 company matches for naturalist guide services 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?
Student Conservation Association tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most naturalist guide services?
Jackson leads with 10 company records, followed by Denver (5) and Eugene (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 2,100 professional contacts with verified work emails tracked across these 438 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 438 naturalist guide services based in the United States. Start with a free account, no credit card.
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Naturalist guide services by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Naturalist guide services based in Canada
- Naturalist guide services based in India
- Naturalist guide services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
Company intelligence · public preview
Top 25 naturalist guide services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 438 matching company records for naturalist guide services based in the United States, with 6,267 tracked contacts and 2,100 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 naturalist guide services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Student Conservation Associationthesca.org HQ: Arlington, VA, United StatesReported employees: 201-500 | Arlington, VA, United States | 201-500 | Exact match | 795 contacts → |
“The Student Conservation Association (SCA) is the largest provider of hands-on environmental conservation programs for youth and adults.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Mass Audubonmassaudubon.org HQ: Lincoln, MA, United StatesReported employees: 201-500 | Lincoln, MA, United States | 201-500 | Exact match | 554 contacts → |
“Mass Audubon is the largest nature-based conservation organization in New England.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Appalachian Mountain Cluboutdoors.org HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 378 contacts → |
“The mission of the Appalachian Mountain Club is to foster the protection, enjoyment, and understanding of the outdoors.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Naturebridgenaturebridge.org HQ: Sausalito, CA, United StatesReported employees: 201-500 | Sausalito, CA, United States | 201-500 | Exact match | 188 contacts → |
“Environmental science in nature’s classroom NatureBridge provides hands-on environmental science programs for young people.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Wilderness Inquirywildernessinquiry.org HQ: Bloomington, MN, United StatesReported employees: 11-50 | Bloomington, MN, United States | 11-50 | Exact match | 127 contacts → |
“Wilderness Inquiry connects people of all ages, backgrounds, identities, and abilities to shared outdoor adventures so that all people can equitably experience the benefits of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Teton Science Schoolstetonscience.org HQ: Jackson, WY, United StatesReported employees: 51-200 | Jackson, WY, United States | 51-200 | Exact match | 118 contacts → |
“Teton Science Schools connects people, place, and nature through education.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Leave NO Tracelnt.org HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 112 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | The Mountaineersmountaineers.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 91 contacts → |
“The Mountaineers is a community of outdoor enthusiasts passionate about exploration, discovery, learning, and conservation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | The Wildsthewilds.org HQ: Cumberland, OH, United StatesReported employees: 51-200 | Cumberland, OH, United States | 51-200 | Exact match | 88 contacts → |
“At The Wilds, our mission is simple but powerful: Empowering People.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cincinnati Nature Centercincynature.org HQ: Milford, OH, United StatesReported employees: 51-200 | Milford, OH, United States | 51-200 | Exact match | 78 contacts → |
“Cincinnati Nature Center connects people of all ages with the natural world.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Chattahoochee Nature Center, INCchattnaturecenter.org HQ: Roswell, GA, United StatesReported employees: 11-50 | Roswell, GA, United States | 11-50 | Exact match | 71 contacts → |
“The Chattahoochee Nature Center's (CNC) mission is to connect people with nature.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ODC Networkoutdoordiscovery.org HQ: Holland, MI, United StatesReported employees: 51-200 | Holland, MI, United States | 51-200 | Exact match | 68 contacts → |
“ODC Network (ODC) is a 501(c)(3) nonprofit organization based in Holland, Michigan, with a mission to advance outdoor education and conservation throughout West Michigan.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | North Cascades Institutencascades.org HQ: Sedro-woolley, WA, United StatesReported employees: 11-50 | Sedro-woolley, WA, United States | 11-50 | Exact match | 67 contacts → |
“We inspire and empower environmental stewardship for all through transformative experiences in nature.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Schlitz Audubon Nature Centerschlitzaudubon.org HQ: Milwaukee, WI, United StatesReported employees: 51-200 | Milwaukee, WI, United States | 51-200 | Exact match | 57 contacts → |
“Once a farm for the Schlitz Brewery draft horses, Schlitz Audubon Nature Center is Milwaukee’s comprehensive nature center.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kalamazoo Nature Centernaturecenter.org HQ: Kalamazoo, MI, United StatesReported employees: 51-200 | Kalamazoo, MI, United States | 51-200 | Exact match | 56 contacts → |
“Kalamazoo Nature Center is an environmental services company based out of Kalamazoo, Michigan.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Irvine Nature Centerexplorenature.org HQ: Owings Mills, MD, United StatesReported employees: 11-50 | Owings Mills, MD, United States | 11-50 | Exact match | 54 contacts → |
“At Irvine, we guide learning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sierra Nevada Journeyssierranevadajourneys.org HQ: Reno, NV, United StatesReported employees: 51-200 | Reno, NV, United States | 51-200 | Exact match | 52 contacts → |
“The Nature of Learning Sierra Nevada Journeys is a 501(c)3 nonprofit in Northern Nevada and Northern California that delivers innovative outdoor, science-based education programs…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Aspen Center For Environmental Studiesaspennature.orgHQ: Aspen, CO, United StatesReported employees: 11-50 | Aspen, CO, United States | 11-50 | Exact match | 49 contacts → |
“Aspen Center for Environmental Studies (ACES) is a non-profit environmental science education center with four sites in the Roaring Fork Valley.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Schuylkill Center For Environmental Educationschuylkillcenter.org HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 48 contacts → |
“The Schuylkill Center for Environmental Education inspires meaningful connections between people and nature.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Houston Arboretum & Nature Centerhoustonarboretum.org HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 46 contacts → |
“The Houston Arboretum & Nature Center is a non-profit organization with a mission to provide education about the natural environment to people of all ages and to protect and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Northbay Educationnorthbayeducation.org HQ: North East, MD, United StatesReported employees: 51-200 | North East, MD, United States | 51-200 | Exact match | 45 contacts → |
“NorthBay Education is the premier outdoor school in the nation, ready to welcome students for the experience of a lifetime.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Wilderness Awareness Schoolwildernessawareness.org HQ: Duvall, WA, United StatesReported employees: 11-50 | Duvall, WA, United States | 11-50 | Exact match | 45 contacts → |
“Wilderness Awareness School, a 501(c)(3) not-for-profit organization founded in 1983, is an internationally-recognized leader in outdoor education.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Earthplaceearthplace.org HQ: Westport, CT, United StatesReported employees: 51-200 | Westport, CT, United States | 51-200 | Exact match | 42 contacts → |
“Where nature education, conservation, and science meet.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Camp Timber-Leetimber-lee.com HQ: East Troy, WI, United StatesReported employees: 51-200 | East Troy, WI, United States | 51-200 | Exact match | 42 contacts → |
“Camp Timber-lee creates life changing camp experience for people of all ages throughout the year.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Outward Bound Adventures OBAobainc.org HQ: Pasadena, CA, United StatesReported employees: 11-50 | Pasadena, CA, United States | 11-50 | Exact match | 42 contacts → |
“Every child, regardless of race or economic background should have the opportunity to experience the therapeutic benefits of time spent in nature.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 438 company matches
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Naturalist guide services: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
435 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 438 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for naturalist guide services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many naturalist guide services did RevenueBase find based in the United States?
The saved snapshot records 438 matching company records, 6,267 tracked contacts and 2,100 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Naturalist guide services by geography
Cite this list
RevenueBase Data Team. Top 25 naturalist guide services based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/naturalist-guide-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Naturalist guide services based in Canada
- Naturalist guide services based in India
- Naturalist guide services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
Company intelligence · public preview
Top 25 naturalist guide services based in the United States
RevenueBase records 438 matching company records for naturalist guide services based in the United States, with 6,267 tracked contacts and 2,100 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 naturalist guide services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Student Conservation Associationthesca.org HQ: Arlington, VA, United StatesReported employees: 201-500 | Arlington, VA, United States | 201-500 | Exact match | 795 contacts → |
“The Student Conservation Association (SCA) is the largest provider of hands-on environmental conservation programs for youth and adults.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Mass Audubonmassaudubon.org HQ: Lincoln, MA, United StatesReported employees: 201-500 | Lincoln, MA, United States | 201-500 | Exact match | 554 contacts → |
“Mass Audubon is the largest nature-based conservation organization in New England.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Appalachian Mountain Cluboutdoors.org HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 378 contacts → |
“The mission of the Appalachian Mountain Club is to foster the protection, enjoyment, and understanding of the outdoors.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Naturebridgenaturebridge.org HQ: Sausalito, CA, United StatesReported employees: 201-500 | Sausalito, CA, United States | 201-500 | Exact match | 188 contacts → |
“Environmental science in nature’s classroom NatureBridge provides hands-on environmental science programs for young people.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Wilderness Inquirywildernessinquiry.org HQ: Bloomington, MN, United StatesReported employees: 11-50 | Bloomington, MN, United States | 11-50 | Exact match | 127 contacts → |
“Wilderness Inquiry connects people of all ages, backgrounds, identities, and abilities to shared outdoor adventures so that all people can equitably experience the benefits of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Teton Science Schoolstetonscience.org HQ: Jackson, WY, United StatesReported employees: 51-200 | Jackson, WY, United States | 51-200 | Exact match | 118 contacts → |
“Teton Science Schools connects people, place, and nature through education.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Leave NO Tracelnt.org HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 112 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | The Mountaineersmountaineers.org HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 91 contacts → |
“The Mountaineers is a community of outdoor enthusiasts passionate about exploration, discovery, learning, and conservation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | The Wildsthewilds.org HQ: Cumberland, OH, United StatesReported employees: 51-200 | Cumberland, OH, United States | 51-200 | Exact match | 88 contacts → |
“At The Wilds, our mission is simple but powerful: Empowering People.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cincinnati Nature Centercincynature.org HQ: Milford, OH, United StatesReported employees: 51-200 | Milford, OH, United States | 51-200 | Exact match | 78 contacts → |
“Cincinnati Nature Center connects people of all ages with the natural world.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Chattahoochee Nature Center, INCchattnaturecenter.org HQ: Roswell, GA, United StatesReported employees: 11-50 | Roswell, GA, United States | 11-50 | Exact match | 71 contacts → |
“The Chattahoochee Nature Center's (CNC) mission is to connect people with nature.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ODC Networkoutdoordiscovery.org HQ: Holland, MI, United StatesReported employees: 51-200 | Holland, MI, United States | 51-200 | Exact match | 68 contacts → |
“ODC Network (ODC) is a 501(c)(3) nonprofit organization based in Holland, Michigan, with a mission to advance outdoor education and conservation throughout West Michigan.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | North Cascades Institutencascades.org HQ: Sedro-woolley, WA, United StatesReported employees: 11-50 | Sedro-woolley, WA, United States | 11-50 | Exact match | 67 contacts → |
“We inspire and empower environmental stewardship for all through transformative experiences in nature.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Schlitz Audubon Nature Centerschlitzaudubon.org HQ: Milwaukee, WI, United StatesReported employees: 51-200 | Milwaukee, WI, United States | 51-200 | Exact match | 57 contacts → |
“Once a farm for the Schlitz Brewery draft horses, Schlitz Audubon Nature Center is Milwaukee’s comprehensive nature center.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kalamazoo Nature Centernaturecenter.org HQ: Kalamazoo, MI, United StatesReported employees: 51-200 | Kalamazoo, MI, United States | 51-200 | Exact match | 56 contacts → |
“Kalamazoo Nature Center is an environmental services company based out of Kalamazoo, Michigan.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Irvine Nature Centerexplorenature.org HQ: Owings Mills, MD, United StatesReported employees: 11-50 | Owings Mills, MD, United States | 11-50 | Exact match | 54 contacts → |
“At Irvine, we guide learning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sierra Nevada Journeyssierranevadajourneys.org HQ: Reno, NV, United StatesReported employees: 51-200 | Reno, NV, United States | 51-200 | Exact match | 52 contacts → |
“The Nature of Learning Sierra Nevada Journeys is a 501(c)3 nonprofit in Northern Nevada and Northern California that delivers innovative outdoor, science-based education programs…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aspen Center For Environmental Studiesaspennature.org HQ: Aspen, CO, United StatesReported employees: 11-50 | Aspen, CO, United States | 11-50 | Exact match | 49 contacts → |
“Aspen Center for Environmental Studies (ACES) is a non-profit environmental science education center with four sites in the Roaring Fork Valley.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Schuylkill Center For Environmental Educationschuylkillcenter.org HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 48 contacts → |
“The Schuylkill Center for Environmental Education inspires meaningful connections between people and nature.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Houston Arboretum & Nature Centerhoustonarboretum.org HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 46 contacts → |
“The Houston Arboretum & Nature Center is a non-profit organization with a mission to provide education about the natural environment to people of all ages and to protect and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Northbay Educationnorthbayeducation.org HQ: North East, MD, United StatesReported employees: 51-200 | North East, MD, United States | 51-200 | Exact match | 45 contacts → |
“NorthBay Education is the premier outdoor school in the nation, ready to welcome students for the experience of a lifetime.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Wilderness Awareness Schoolwildernessawareness.org HQ: Duvall, WA, United StatesReported employees: 11-50 | Duvall, WA, United States | 11-50 | Exact match | 45 contacts → |
“Wilderness Awareness School, a 501(c)(3) not-for-profit organization founded in 1983, is an internationally-recognized leader in outdoor education.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Earthplaceearthplace.org HQ: Westport, CT, United StatesReported employees: 51-200 | Westport, CT, United States | 51-200 | Exact match | 42 contacts → |
“Where nature education, conservation, and science meet.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Camp Timber-Leetimber-lee.com HQ: East Troy, WI, United StatesReported employees: 51-200 | East Troy, WI, United States | 51-200 | Exact match | 42 contacts → |
“Camp Timber-lee creates life changing camp experience for people of all ages throughout the year.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Outward Bound Adventures OBAobainc.org HQ: Pasadena, CA, United StatesReported employees: 11-50 | Pasadena, CA, United States | 11-50 | Exact match | 42 contacts → |
“Every child, regardless of race or economic background should have the opportunity to experience the therapeutic benefits of time spent in nature.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 438 company matches
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Naturalist guide services: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
435 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 438 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for naturalist guide services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many naturalist guide services did RevenueBase find based in the United States?
The saved snapshot records 438 matching company records, 6,267 tracked contacts and 2,100 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Naturalist guide services by geography
Cite this list
RevenueBase Data Team. Top 25 naturalist guide services based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/naturalist-guide-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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