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Organization Location Revenue Expenses Assets Program Fundr. cost Employees Type Follow
Wildlife Conservation Society The WILDLIFE CONSERVATION SOCIETY (wcs) saves WILDLIFE and wild places worldwide through science… 13-1740011 · FY2023 Bronx, NY $389.2M $448.9M $1.2B 87% 3% 2,917 501(c)(3)
Chicago Zoological Society To inspire conservation leadership by connecting people with wildlife and nature. 36-2167016 · FY2024 Brookfield, IL $108.0M $78.4M — 80% 5% 644 501(c)(3)
The Toledo Zoological Society We inspire our guests to join US in being advocates for wildlife and conserving the natural world by… 34-4440256 · FY2024 Toledo, OH $50.0M $46.5M $159.6M 85% 2% 892 501(c)(3)
Santa Catalina Island Conservancy A responsible steward of our lands through conservation, education and recreation. 23-7228407 · FY2024 Avalon, CA $30.2M $21.9M $119.6M 67% 11% 109 501(c)(3)
San Francisco Zoological Society To connect all people with wildlife,inspire caring for nature,and advance conservation action. 94-1429538 · FY2024 San Francisco, CA $23.1M $29.7M $20.0M 86% 2% 242 501(c)(3)
Zoological Society of the Palm Beaches INC To inspire people to act on behalf of wildlife and the natural world. 59-1259270 · FY2023 West Palm Bch, FL $22.3M $12.8M $55.9M 81% 11% 140 501(c)(3)
The North Carolina Aquarium Society Inspiring appreciation and conservation of our aquatic environments. 56-1512990 · FY2024 Raleigh, NC $16.8M $8.0M $49.2M 78% 7% 66 501(c)(3)
Sacramento Zoological Society The SACRAMENTO zoo inspires appreciation, respect and a connection with wildlife and nature through… 94-2861667 · FY2024 Sacramento, CA $12.4M $11.9M $27.4M 73% 3% 121 501(c)(3)
Cincinnati Nature Center Association Inspiring conservation. 31-6057978 · FY2024 Milford, OH $10.8M $7.6M $78.2M 67% 19% 165 501(c)(3)
Sustainable Conservation Sustainable Conservation advances the collaborative stewardship of Californias land, air, and water for the… 94-3232437 · FY2024 San Francisco, CA $8.8M $6.3M $12.5M 73% 15% 38 501(c)(3)
Conserving Carolina To protect, restore, and inspire appreciation of the natural world. 56-6449365 · FY2023 Hendersonville, NC $6.5M $5.7M $49.4M 85% 7% 80 501(c)(3)
Maine Audubon Society To conserve Maine's wildlife and wildlife habitat. 01-0248780 · FY2024 Falmouth, ME $6.0M $5.3M $21.6M 65% 18% 80 501(c)(3)
Oceanic Society Expeditions Our mission is to conserve marine wildlife and habitats by deepening the connections between people and… 94-3105570 · FY2024 Ross, CA $4.9M $4.5M $3.5M 89% 9% 8 501(c)(3)
Society for Conservation Biology To advance the science and practice of conserving earth's biological diversity. 33-0147824 · FY2024 Washington, DC $3.8M $3.6M $4.1M 84% 0% 10 501(c)(3)
Oceanic Preservation Society To expose complex, global environmental ISSUES AND PROMOTE ADVOCACY 38-3891081 · FY2024 Greenbrae, CA $3.2M $2.2M $5.7M 90% 2% 4 501(c)(3)
Marin Audubon Society Incorporated The MARIN AUDUBON SOCIETY is dedicated to active participation in conservation, environmental education, and… 94-6076664 · FY2024 Mill Valley, CA $2.2M $691.0K $9.5M 96% 1% — 501(c)(3)
Sitka Conservation Society Educating the public about CONSERVATION issues 92-0096633 · FY2024 Sitka, AK $2.0M $2.0M $1.8M 100% 0% 24 501(c)(3)
California Nature Art Museum To inspire our community and visitors to enjoy, value and conserve wildlife and natural areas through ART. We… 77-0470520 · FY2024 Solvang, CA $535.6K $646.9K $3.3M 61% 5% 9 501(c)(3)
Buena Vista Audubon Society Conservation through education, advocacy and monitoring 23-7292749 · FY2024 Oceanside, CA $483.0K $963.7K $7.9M 86% 4% 3 501(c)(3)
Monterey Audubon Society Dedicated to conserving and celebrating the birds and wildlife of the greater Monterey bay. 94-2397544 · FY2024 Carmel, CA $208.9K $155.2K $439.8K 50% 19% 1 501(c)(3)
San Francisco Bay Wildlife Society Nurture in the public an understanding, appreciation, and stewardship of the San Francisco Bay National… 94-3039253 · FY2024 Newark, CA $201.4K $233.4K $215.5K 79% 2% 9 501(c)(3)
California Audubon Society Promotion of conservation of natural resources, preservation and enhancement of the natural habitat within… 95-1856339 · FY2024 Van Nuys, CA $177.9K $142.6K $909.6K 93% 1% — 501(c)(3)
Soil and Water Conservation Society 63-1114614 · FY2024 Auburn, AL $166.3K — $108.4K — — — 501(c)(3)
California Society for Ecological Restoration The organization is dedicated to the purpose of bringing about the recovery of damaged ecosystems in… 77-0544536 · FY2024 Sacramento, CA $160.9K — $25.2K — — 1 501(c)(3)
Society for Conservation Gis INC 84-1424973 · FY2023 Kalispell, MT $143.2K — $427.2K — — — 501(c)(3)
Society for Biodiversity Preservation 82-2245785 · FY2025 Washington, DC $122.8K — $14.0K — — — 501(c)(3)
California Naturecare Foundation INC 93-2829214 · FY2023 San Francisco, CA $121.1K — $0 — — — 501(c)(3)
Sacramento Audubon Society INC 94-1615830 · FY2024 Sacramento, CA $110.1K — $223.6K — — — 501(c)(3)
Conservation Congress Advocate for wildlife and habitat protection on National Forest public lands in northern California. 20-0244175 · FY2024 Great Falls, MT $99.8K — $57.1K — — 1 501(c)(3)
Pilchuck Audubon Society Conserve and restore natural ecosystems, public education, field trips, and monitoring programs. 91-6183664 · FY2024 Snohomish, WA $86.7K $116.7K $642.1K 74% 5% 1 501(c)(3)
Stewards of the Sequoia Promoting responsible recreation and environmental stewardship 83-0702363 · FY2024 Wofford Heights, CA $84.8K — $292.5K — — — 501(c)(3)
Pacific Coast Conservation Alliance 77-0630225 · FY2024 Paso Robles, CA $82.6K — $23.5K — — — 501(c)(3)
The Wyoming Chapter of the Wildlife Society 23-7380606 · FY2024 Bethesda, MD $69.8K — $97.6K — — — 501(c)(3)
California Forest Conservation Foundation 85-4293819 · FY2024 Sacramento, CA $68.3K — $290.1K — — — 501(c)(3)
Palos Verdes-South Bay Audubon Society 91-2148859 · FY2024 Pls Vrds Pnsl, CA $63.4K — $0 — — — 501(c)(3)
California Garden and Landscape History Society 94-3235964 · FY2024 Newhall, CA $62.1K — $44.6K — — — 501(c)(3)
Ocean Conservation Society INC 95-4691853 · FY2023 Marina Del Rey, CA $60.7K — $119.1K — — — 501(c)(3)
California Botanical Society 94-6091639 · FY2024 Berkeley, CA $53.9K — $293.1K — — — 501(c)(3)
Western Association for Art Conservation 52-1352653 · FY2023 West Hollywood, CA $53.0K — $8.4K — — — 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