Company lists · Data refreshed September 2026
Top 25 Marine conservation nonprofits based in the United States
RevenueBase identified 433 company matches for marine conservation nonprofits associated with the United States as of September 2026 and tracks 12,434 professional contacts across them, including 3,731 with verified work emails. Miami is the largest hub.
This list covers company matches for marine conservation nonprofits 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 marine conservation nonprofits based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,663 contacts → | ||||
Exact match “WCS stands for wildlife and wild places.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 738 contacts → | ||||
Exact match “The mission of the nonprofit Monterey Bay Aquarium is to inspire conservation of the ocean.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 453 contacts → | ||||
Exact match “Founded in 1955, Mote Marine Laboratory & Aquarium is an independent, nonprofit 501(c)3 research organization based in Sarasota, Fla, with additional field stations in eastern…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 438 contacts → | ||||
Exact match “The New England Aquarium is a catalyst for global change through public engagement, commitment to marine animal conservation, leadership in education, innovative scientific…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 425 contacts → | ||||
Exact match “We are a private nonprofit organization whose mission is to connect people with nature to inspire compassion and care for our ocean planet!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 328 contacts → | ||||
Exact match “The Surfrider Foundation is a 501(c)3 non-profit organization dedicated to the protection and enjoyment of our world’s ocean, waves and beaches.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 302 contacts → | ||||
Exact match “The Florida Aquarium actively participates in and promotes stewardship of the natural environment as part of our mission of conservation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 272 contacts → | ||||
Exact match “The Seattle Aquarium is a nonprofit Aquarium committed to Earth’s one ocean.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 256 contacts → | ||||
Exact match “OUR MISSION: We believe in preserving our environment while inspiring the human spirit through leadership in the rescue, rehabilitation, and release of marine life; environmental…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 240 contacts → | ||||
Exact match “Seaside Sustainability is a nationally recognized, award-winning 501(c)3 charitable organization dedicated to community engagement, education and environmental conservation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 227 contacts → | ||||
Exact match “Our ocean is truly awesome-but it is not invincible.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 191 contacts → | ||||
Exact match “Pacific Whale Foundation is a non-profit organization founded in 1980 to save whales from extinction.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 183 contacts → | ||||
Exact match “Established in 1977, Sea Shepherd Conservation Society (SSCS) is an international non-profit, marine wildlife conservation organization.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 135 contacts → | ||||
Exact match “OceanX is a mission to explore the unseen ocean, map uncharted areas of the world, observe rare deep-sea creatures, pursue scientific and medical breakthroughs, and then bring all…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 130 contacts → | ||||
Exact match “Global Fishing Watch is an international non-profit organization committed to advancing the sustainability of our oceans through increased transparency.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 122 contacts → | ||||
Exact match “The Gulf of Maine Research Institute (GMRI) pioneers collaborative solutions to global ocean challenges.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 103 contacts → | ||||
Exact match “Loggerhead Marinelife Center is a nonprofit sea turtle hospital that promotes the conservation of ocean ecosystems with a special focus on sea turtles.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 96 contacts → | ||||
Exact match “Coral Restoration Foundation™ is a 501(c)(3) non-profit ocean conservation organization based in Key Largo, Florida.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 88 contacts → | ||||
Exact match “The National Marine Mammal Foundation is a 501(c)3 nonprofit organization with a mission to improve and protect life for all marine mammals, humans, and our shared oceans by…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 86 contacts → | ||||
Exact match “EarthEcho International is a nonprofit 501c3 organization founded in 2005 by siblings Philippe and Alexandra Cousteau in honor of their father Philippe Cousteau Sr, son of the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 85 contacts → | ||||
Exact match “Marine Conservation Institute is a team of highly-experienced marine scientists and environmental policy advocates dedicated to saving ocean life for us and future generations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 60 contacts → | ||||
Exact match “The Oregon Coast Aquarium is a 501(c)3 nonprofit organization located in Newport, on the beautiful Oregon Coast.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 57 contacts → | ||||
Exact match “Oceanic Global inspires us to care deeply for the ocean and provides solutions to protect it.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 53 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 53 contacts → | ||||
Exact match “Hubbs-SeaWorld Research Institute (HSWRI) is a non-profit scientific research organization committed to conserving and renewing marine life to ensure a healthier planet.” 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 “marine conservation nonprofits”. 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 433 marine conservation nonprofits based in the United States
See the full list, filter by size, metro and specialty, and access 3,731 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Marine conservation nonprofits 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 433 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 “marine conservation nonprofits” 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 3,731 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 “marine conservation nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many marine conservation nonprofits are there based in the United States?
RevenueBase identified 433 company matches for marine conservation nonprofits 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?
Wildlife Conservation Society tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most marine conservation nonprofits?
Miami leads with 14 company records, followed by San Diego (13) and San Francisco (12).
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 3,731 professional contacts with verified work emails tracked across these 433 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 433 marine conservation nonprofits based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Marine conservation nonprofits by geography
- Marine conservation nonprofits based in Australia
- Marine conservation nonprofits based in Brazil
- Marine conservation nonprofits based in Canada
- Marine conservation nonprofits based in France
- Marine conservation nonprofits based in Indonesia
- Marine conservation nonprofits based in Italy
- Marine conservation nonprofits based in Mexico
- Marine conservation nonprofits based in the Netherlands
- Marine conservation nonprofits based in Portugal
- Marine conservation nonprofits based in South Africa
- Marine conservation nonprofits based in Spain
- Marine conservation nonprofits based in the United Kingdom
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
- Marine conservation nonprofits based in Australia
- Marine conservation nonprofits based in Brazil
- Marine conservation nonprofits based in Canada
- Marine conservation nonprofits based in France
- Marine conservation nonprofits based in Indonesia
- Marine conservation nonprofits based in Italy
Company intelligence · public preview
Top 25 marine conservation nonprofits 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 433 matching company records for marine conservation nonprofits based in the United States, with 12,434 tracked contacts and 3,731 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 marine conservation nonprofits 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 | HQ: Bronx, NY, United StatesReported employees: 1,001-5,000 | Bronx, NY, United States | 1,001-5,000 | Exact match | 3,663 contacts → |
“WCS stands for wildlife and wild places.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Monterey BAY Aquariummontereybayaquarium.orgHQ: Monterey, CA, United StatesReported employees: 501-1,000 | Monterey, CA, United States | 501-1,000 | Exact match | 738 contacts → |
“The mission of the nonprofit Monterey Bay Aquarium is to inspire conservation of the ocean.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Sarasota, FL, United StatesReported employees: 201-500 | Sarasota, FL, United States | 201-500 | Exact match | 453 contacts → |
“Founded in 1955, Mote Marine Laboratory & Aquarium is an independent, nonprofit 501(c)3 research organization based in Sarasota, Fla, with additional field stations in eastern…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  NEW England Aquariumneaq.orgHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 438 contacts → |
“The New England Aquarium is a catalyst for global change through public engagement, commitment to marine animal conservation, leadership in education, innovative scientific…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | National Aquariumaqua.org HQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 425 contacts → |
“We are a private nonprofit organization whose mission is to connect people with nature to inspire compassion and care for our ocean planet!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | The Surfrider Foundationsurfrider.org HQ: San Clemente, CA, United StatesReported employees: 51-200 | San Clemente, CA, United States | 51-200 | Exact match | 328 contacts → |
“The Surfrider Foundation is a 501(c)3 non-profit organization dedicated to the protection and enjoyment of our world’s ocean, waves and beaches.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  The Florida Aquariumflaquarium.orgHQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 302 contacts → |
“The Florida Aquarium actively participates in and promotes stewardship of the natural environment as part of our mission of conservation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Seattle Aquariumseattleaquarium.orgHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 272 contacts → |
“The Seattle Aquarium is a nonprofit Aquarium committed to Earth’s one ocean.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Clearwater Marine Aquariumcmaquarium.org HQ: Clearwater, FL, United StatesReported employees: 201-500 | Clearwater, FL, United States | 201-500 | Exact match | 256 contacts → |
“OUR MISSION: We believe in preserving our environment while inspiring the human spirit through leadership in the rescue, rehabilitation, and release of marine life; environmental…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Seaside Sustainabilityseasidesustainability.org HQ: Gloucester, MA, United StatesReported employees: 51-200 | Gloucester, MA, United States | 51-200 | Exact match | 240 contacts → |
“Seaside Sustainability is a nationally recognized, award-winning 501(c)3 charitable organization dedicated to community engagement, education and environmental conservation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ocean Conservancyoceanconservancy.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 227 contacts → |
“Our ocean is truly awesome-but it is not invincible.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pacific Whale Foundationpacificwhale.org HQ: Wailuku, HI, United StatesReported employees: 51-200 | Wailuku, HI, United States | 51-200 | Exact match | 191 contacts → |
“Pacific Whale Foundation is a non-profit organization founded in 1980 to save whales from extinction.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SEA Shepherd Conservation Societyseashepherd.org HQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 183 contacts → |
“Established in 1977, Sea Shepherd Conservation Society (SSCS) is an international non-profit, marine wildlife conservation organization.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Oceanxoceanx.org HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 135 contacts → |
“OceanX is a mission to explore the unseen ocean, map uncharted areas of the world, observe rare deep-sea creatures, pursue scientific and medical breakthroughs, and then bring all…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Global Fishing Watchglobalfishingwatch.orgHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 130 contacts → |
“Global Fishing Watch is an international non-profit organization committed to advancing the sustainability of our oceans through increased transparency.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Gulf Of Maine Research Institutegmri.orgHQ: Portland, ME, United StatesReported employees: 51-200 | Portland, ME, United States | 51-200 | Exact match | 122 contacts → |
“The Gulf of Maine Research Institute (GMRI) pioneers collaborative solutions to global ocean challenges.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Loggerhead Marinelife Centermarinelife.org HQ: Juno Beach, FL, United StatesReported employees: 11-50 | Juno Beach, FL, United States | 11-50 | Exact match | 103 contacts → |
“Loggerhead Marinelife Center is a nonprofit sea turtle hospital that promotes the conservation of ocean ecosystems with a special focus on sea turtles.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Coral Restoration Foundationcoralrestoration.org HQ: Key Largo, FL, United StatesReported employees: 11-50 | Key Largo, FL, United States | 11-50 | Exact match | 96 contacts → |
“Coral Restoration Foundation™ is a 501(c)(3) non-profit ocean conservation organization based in Key Largo, Florida.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 88 contacts → |
“The National Marine Mammal Foundation is a 501(c)3 nonprofit organization with a mission to improve and protect life for all marine mammals, humans, and our shared oceans by…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Earthecho Internationalearthecho.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 86 contacts → |
“EarthEcho International is a nonprofit 501c3 organization founded in 2005 by siblings Philippe and Alexandra Cousteau in honor of their father Philippe Cousteau Sr, son of the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Marine Conservation Institutemarine-conservation.org HQ: Glen Ellen, CA, United StatesReported employees: 11-50 | Glen Ellen, CA, United States | 11-50 | Exact match | 85 contacts → |
“Marine Conservation Institute is a team of highly-experienced marine scientists and environmental policy advocates dedicated to saving ocean life for us and future generations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Oregon Coast Aquariumaquarium.org HQ: Newport, OR, United StatesReported employees: 51-200 | Newport, OR, United States | 51-200 | Exact match | 60 contacts → |
“The Oregon Coast Aquarium is a 501(c)3 nonprofit organization located in Newport, on the beautiful Oregon Coast.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Oceanic Globaloceanic.global HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 57 contacts → |
“Oceanic Global inspires us to care deeply for the ocean and provides solutions to protect it.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rainforest Trustrainforesttrust.org HQ: Warrenton, VA, United StatesReported employees: 11-50 | Warrenton, VA, United States | 11-50 | Exact match | 53 contacts → |
“For more than 35 years, Rainforest Trust has not wavered from its mission of preventing deforestation, preserving critical habitat and safeguarding endangered species.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Hubbs-Seaworld Research Institutehswri.org HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 53 contacts → |
“Hubbs-SeaWorld Research Institute (HSWRI) is a non-profit scientific research organization committed to conserving and renewing marine life to ensure a healthier planet.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 433 company matches
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Marine conservation nonprofits: 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
432 records in the displayed employee bands.
1 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 433 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 marine conservation nonprofits?
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 marine conservation nonprofits did RevenueBase find based in the United States?
The saved snapshot records 433 matching company records, 12,434 tracked contacts and 3,731 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
Marine conservation nonprofits by geography
- Marine conservation nonprofits based in Australia
- Marine conservation nonprofits based in Brazil
- Marine conservation nonprofits based in Canada
- Marine conservation nonprofits based in France
- Marine conservation nonprofits based in Indonesia
- Marine conservation nonprofits based in Italy
- Marine conservation nonprofits based in Mexico
- Marine conservation nonprofits based in the Netherlands
- Marine conservation nonprofits based in Portugal
- Marine conservation nonprofits based in South Africa
- Marine conservation nonprofits based in Spain
- Marine conservation nonprofits based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 marine conservation nonprofits based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/marine-conservation-nonprofits/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
- Marine conservation nonprofits based in Australia
- Marine conservation nonprofits based in Brazil
- Marine conservation nonprofits based in Canada
- Marine conservation nonprofits based in France
- Marine conservation nonprofits based in Indonesia
- Marine conservation nonprofits based in Italy
Company intelligence · public preview
Top 25 marine conservation nonprofits based in the United States
RevenueBase records 433 matching company records for marine conservation nonprofits based in the United States, with 12,434 tracked contacts and 3,731 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 marine conservation nonprofits 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 | HQ: Bronx, NY, United StatesReported employees: 1,001-5,000 | Bronx, NY, United States | 1,001-5,000 | Exact match | 3,663 contacts → |
“WCS stands for wildlife and wild places.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Monterey BAY Aquariummontereybayaquarium.org HQ: Monterey, CA, United StatesReported employees: 501-1,000 | Monterey, CA, United States | 501-1,000 | Exact match | 738 contacts → |
“The mission of the nonprofit Monterey Bay Aquarium is to inspire conservation of the ocean.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Sarasota, FL, United StatesReported employees: 201-500 | Sarasota, FL, United States | 201-500 | Exact match | 453 contacts → |
“Founded in 1955, Mote Marine Laboratory & Aquarium is an independent, nonprofit 501(c)3 research organization based in Sarasota, Fla, with additional field stations in eastern…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | NEW England Aquariumneaq.org HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 438 contacts → |
“The New England Aquarium is a catalyst for global change through public engagement, commitment to marine animal conservation, leadership in education, innovative scientific…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | National Aquariumaqua.org HQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 425 contacts → |
“We are a private nonprofit organization whose mission is to connect people with nature to inspire compassion and care for our ocean planet!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | The Surfrider Foundationsurfrider.org HQ: San Clemente, CA, United StatesReported employees: 51-200 | San Clemente, CA, United States | 51-200 | Exact match | 328 contacts → |
“The Surfrider Foundation is a 501(c)3 non-profit organization dedicated to the protection and enjoyment of our world’s ocean, waves and beaches.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | The Florida Aquariumflaquarium.org HQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 302 contacts → |
“The Florida Aquarium actively participates in and promotes stewardship of the natural environment as part of our mission of conservation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Seattle Aquariumseattleaquarium.org HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 272 contacts → |
“The Seattle Aquarium is a nonprofit Aquarium committed to Earth’s one ocean.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Clearwater Marine Aquariumcmaquarium.org HQ: Clearwater, FL, United StatesReported employees: 201-500 | Clearwater, FL, United States | 201-500 | Exact match | 256 contacts → |
“OUR MISSION: We believe in preserving our environment while inspiring the human spirit through leadership in the rescue, rehabilitation, and release of marine life; environmental…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Seaside Sustainabilityseasidesustainability.org HQ: Gloucester, MA, United StatesReported employees: 51-200 | Gloucester, MA, United States | 51-200 | Exact match | 240 contacts → |
“Seaside Sustainability is a nationally recognized, award-winning 501(c)3 charitable organization dedicated to community engagement, education and environmental conservation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ocean Conservancyoceanconservancy.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 227 contacts → |
“Our ocean is truly awesome-but it is not invincible.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pacific Whale Foundationpacificwhale.org HQ: Wailuku, HI, United StatesReported employees: 51-200 | Wailuku, HI, United States | 51-200 | Exact match | 191 contacts → |
“Pacific Whale Foundation is a non-profit organization founded in 1980 to save whales from extinction.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SEA Shepherd Conservation Societyseashepherd.org HQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 183 contacts → |
“Established in 1977, Sea Shepherd Conservation Society (SSCS) is an international non-profit, marine wildlife conservation organization.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Oceanxoceanx.org HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 135 contacts → |
“OceanX is a mission to explore the unseen ocean, map uncharted areas of the world, observe rare deep-sea creatures, pursue scientific and medical breakthroughs, and then bring all…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Global Fishing Watchglobalfishingwatch.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 130 contacts → |
“Global Fishing Watch is an international non-profit organization committed to advancing the sustainability of our oceans through increased transparency.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gulf Of Maine Research Institutegmri.org HQ: Portland, ME, United StatesReported employees: 51-200 | Portland, ME, United States | 51-200 | Exact match | 122 contacts → |
“The Gulf of Maine Research Institute (GMRI) pioneers collaborative solutions to global ocean challenges.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Loggerhead Marinelife Centermarinelife.org HQ: Juno Beach, FL, United StatesReported employees: 11-50 | Juno Beach, FL, United States | 11-50 | Exact match | 103 contacts → |
“Loggerhead Marinelife Center is a nonprofit sea turtle hospital that promotes the conservation of ocean ecosystems with a special focus on sea turtles.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Coral Restoration Foundationcoralrestoration.org HQ: Key Largo, FL, United StatesReported employees: 11-50 | Key Largo, FL, United States | 11-50 | Exact match | 96 contacts → |
“Coral Restoration Foundation™ is a 501(c)(3) non-profit ocean conservation organization based in Key Largo, Florida.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 88 contacts → |
“The National Marine Mammal Foundation is a 501(c)3 nonprofit organization with a mission to improve and protect life for all marine mammals, humans, and our shared oceans by…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Earthecho Internationalearthecho.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 86 contacts → |
“EarthEcho International is a nonprofit 501c3 organization founded in 2005 by siblings Philippe and Alexandra Cousteau in honor of their father Philippe Cousteau Sr, son of the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Marine Conservation Institutemarine-conservation.org HQ: Glen Ellen, CA, United StatesReported employees: 11-50 | Glen Ellen, CA, United States | 11-50 | Exact match | 85 contacts → |
“Marine Conservation Institute is a team of highly-experienced marine scientists and environmental policy advocates dedicated to saving ocean life for us and future generations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Oregon Coast Aquariumaquarium.org HQ: Newport, OR, United StatesReported employees: 51-200 | Newport, OR, United States | 51-200 | Exact match | 60 contacts → |
“The Oregon Coast Aquarium is a 501(c)3 nonprofit organization located in Newport, on the beautiful Oregon Coast.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Oceanic Globaloceanic.global HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 57 contacts → |
“Oceanic Global inspires us to care deeply for the ocean and provides solutions to protect it.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rainforest Trustrainforesttrust.org HQ: Warrenton, VA, United StatesReported employees: 11-50 | Warrenton, VA, United States | 11-50 | Exact match | 53 contacts → |
“For more than 35 years, Rainforest Trust has not wavered from its mission of preventing deforestation, preserving critical habitat and safeguarding endangered species.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Hubbs-Seaworld Research Institutehswri.org HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 53 contacts → |
“Hubbs-SeaWorld Research Institute (HSWRI) is a non-profit scientific research organization committed to conserving and renewing marine life to ensure a healthier planet.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 433 company matches
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Marine conservation nonprofits: 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
432 records in the displayed employee bands.
1 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 433 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 marine conservation nonprofits?
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 marine conservation nonprofits did RevenueBase find based in the United States?
The saved snapshot records 433 matching company records, 12,434 tracked contacts and 3,731 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
Marine conservation nonprofits by geography
- Marine conservation nonprofits based in Australia
- Marine conservation nonprofits based in Brazil
- Marine conservation nonprofits based in Canada
- Marine conservation nonprofits based in France
- Marine conservation nonprofits based in Indonesia
- Marine conservation nonprofits based in Italy
- Marine conservation nonprofits based in Mexico
- Marine conservation nonprofits based in the Netherlands
- Marine conservation nonprofits based in Portugal
- Marine conservation nonprofits based in South Africa
- Marine conservation nonprofits based in Spain
- Marine conservation nonprofits based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 marine conservation nonprofits based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/marine-conservation-nonprofits/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
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- Marine conservation nonprofits based in Australia
- Marine conservation nonprofits based in Brazil
- Marine conservation nonprofits based in Canada
- Marine conservation nonprofits based in France
- Marine conservation nonprofits based in Indonesia
- Marine conservation nonprofits based in Italy