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Organization Location Revenue Expenses Assets Program Fundr. cost Employees Type Follow
Seward Association for the Advancement of Marine Science The Alaska SeaLife Center generates and shares scientific knowledge to promote understanding and stewardship… 92-0132479 · FY2023 Seward, AK $12.0M $12.6M $38.2M 89% 3% 125 501(c)(3)
Arctic Exploration Fund INC 20-2327604 · FY2024 Chatsworth, CA $381.5K $456.2K $264.5K 100% 0% 501(c)(3)
Escape Velocity Resources Foundation INC 81-2836404 · FY2024 Sacramento, CA $309.9K $296.2K $80.2K 501(c)(3)
Boulder Open Space Conservancy 82-1716267 · FY2025 Boulder, CO $186.4K $166.0K 501(c)(3)
Bluegrass Discovery Center Corp 93-3481107 · FY2024 Corbin, KY $167.2K $17.1K 501(c)(3)
Forest Exploration Center INC 27-0693732 · FY2024 Wauwatosa, WI $142.7K $261.4K 501(c)(3)
Delta Enriches Life Through Training & Awareness(delta) INC 59-3501430 · FY2024 Tampa, FL $140.0K $229.0K 501(c)(3)
Delta Omega 52-1844608 · FY2024 Arlington, VA $135.4K $133.5K 501(c)(3)
Deep Borehole Demonstration Center 88-4399280 · FY2025 Plano, TX $134.0K $149.8K 501(c)(3)
Limestone Creek Hunt INC 26-2004926 · FY2024 Erieville, NY $132.0K $24.0K 501(c)(3)
New Horizons INC 42-1387337 · FY2024 New Hampton, IA $125.5K $182.2K 501(c)(3)
Global Voyage INC 66-1022242 · FY2024 Mayaguez, PR $124.0K $1 501(c)(3)
Open Vessels INC 83-2597894 · FY2024 Moore, OK $123.2K $15.6K 501(c)(3)
Exploring Our Deep World INC 99-3758214 · FY2024 Miami, FL $119.9K $1 501(c)(3)
Trails and Vistas INC 26-4300208 · FY2025 Truckee, CA $119.9K $105.5K 501(c)(3)
Geotan Corporation 81-1070777 · FY2025 Chevy Chase, MD $104.9K $53.1K 501(c)(3)
Sail for Reefs INC 66-0993526 · FY2024 San Juan, PR $104.8K $74.9K 501(c)(3)
Innerspace Exploration Team 91-1738775 · FY2024 Mountlake Ter, WA $104.4K $1.8K 501(c)(3)
Association for Marine Exploration 20-0066222 · FY2022 Honolulu, HI $103.3K $0 501(c)(3)
Finger Lakes Treasure Trove INC 81-1294676 · FY2024 Canandaigua, NY $97.5K $7.0K 501(c)(3)
Hidden Treasures Initiatives PA 81-3763189 · FY2024 Brookhaven, PA $91.6K $1 501(c)(3)
Northern Treasures INC 81-1556111 · FY2025 Roundup, MT $85.2K $28.9K 501(c)(3)
River Discovery INC 20-5965547 · FY2025 Boise, ID $84.5K $94.8K 501(c)(3)
Full Circle Expeditions INC 87-3294093 · FY2024 Cortez, CO $81.7K $80.3K 501(c)(3)
Clayton Diving Alliance 43-1296362 · FY2024 Creve Coeur, MO $79.6K $22.2K 501(c)(3)
Leuks Landing INC 26-1594021 · FY2025 Ann Arbor, MI $77.2K $28.2K 501(c)(3)
Icarus Atlas INC 41-2982660 · FY2025 Boston, MA $75.0K $70.2K 501(c)(3)
Alpha & Omega Project INC 85-3647542 · FY2024 Monroe Township, NJ $67.1K $26.7K 501(c)(3)
Discovery Service Projects 26-1600326 · FY2024 Doylestown, PA $63.4K $0 501(c)(3)
Weir Landing INC 13-4234624 · FY2023 Brewster, MA $62.4K $310.7K 501(c)(3)
Fossil Creek Community Development Center 20-3928100 · FY2024 Fort Worth, TX $61.0K $68.5K 501(c)(3)
Aviation Exploration Base INC 47-2336280 · FY2024 Racine, WI $58.4K $106.6K 501(c)(3)
Shellback Expeditions INC 81-3488347 · FY2023 Palm Harbor, FL $56.7K $43.2K 501(c)(3)
Omega Gold Development Group INC 86-1100248 · FY2024 Suitland, MD $54.1K $1 501(c)(3)
Chetek Hydroflites Incorporated 39-1673165 · FY2024 Chetek, WI $52.5K $231.0K 501(c)(3)
Space Exploration Academy Sea Foundation INC 99-4125695 · FY2024 San Antonio, TX $52.0K $44.0K 501(c)(3)
Reitz Expedition INC 27-1360556 · FY2024 Bishop, CA $50.4K $65.3K 501(c)(3)
Society for the Activation of Social Space Through Art and Sound 46-0471386 · FY2021 Joshua Tree, CA $29.8K $0 501(c)(3)
Darkhorse Expeditions INC 93-2556182 · FY2024 Fishers, IN $25 $128.6K 501(c)(3)
2,046,138
nonprofits
212,946
funders
12,515,252
grants
22,549,931
directors
214,365
service providers
549,896,012
financial lines
Public data from IRS Form 990 e-file & Business Master File. A 990 shows reported financial activity, not measured program outcomes. Assets are from the IRS BMF and may lag the latest filing; fundraising cost is fundraising expenses as a share of total expenses. · philanthropy.org
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