Natural Resources Conservancy INCConserve important, unique, and historic NATURAL RESOURCES throughout the united states and its territories86-2617320 · FY2024
Tulsa, OK
$7.5M
$3.6M
$10.5M
69%
0%
—
501(c)(3)
Archaeological Institute of AmericaThe ARCHAEOLOGICAL INSTITUTE of AMERICA (aia) promotes ARCHAEOLOGICAL inquiry and public understanding of the…13-5669180 · FY2023
Auburndale, MA
$6.5M
$6.2M
$19.4M
81%
5%
27
501(c)(3)
The Land Conservancy of New JerseyPreserve LAND & water resources; conserve open space; protect LAND and the environment.22-2378868 · FY2024
Boonton, NJ
$5.3M
$2.6M
$26.4M
81%
9%
28
501(c)(3)
New Mexico Land ConservancyPreserving NEW mexicos LAND heritage by helping people conserve the places they love.06-1648104 · FY2024
Santa Fe, NM
$4.3M
$4.5M
$3.6M
94%
2%
8
501(c)(3)
Society for American ArchaeologySAA empowers its members to understand humanity's past through ethically-based scientific and humanistic…52-6046203 · FY2024
Washington, DC
$4.1M
$3.0M
$13.7M
67%
2%
12
501(c)(3)
Sacramento Valley ConservancyThe primary purpose of the organization is the preservation, protection, acquisition, and/or enhancement of…68-0256214 · FY2024
Indian Cultural OrganizationAdvance community resilience through traditional lifeways, and protect and restore the native species…68-0443607 · FY2024
Redding, CA
$3.0M
$2.2M
$1.0M
90%
0%
21
501(c)(3)
Los Angeles ConservancyThe LOS ANGELES CONSERVANCY is a nonprofit membership organization that works through education and advocacy…95-3273046 · FY2024
Los Angeles, CA
$2.9M
$3.2M
$8.9M
71%
18%
17
501(c)(3)
The Sands Point Preserve Conservancy INCTo PRESERVE the former guggenheim estate's 216-acre waterfront park, woodlands, and historic mansions and to…20-0294550 · FY2024
Sands Point, NY
$2.4M
$1.7M
$5.2M
75%
4%
34
501(c)(3)
American River ConservancyTo conduct land conservation, stewardship and education in the upper AMERICAN RIVER and upper cosumnes RIVER…68-0195752 · FY2024
Coloma, CA
$2.3M
$2.0M
$51.3M
66%
5%
15
501(c)(3)
Ss United States ConservancyOrganized for charitable and educational purposes. The organization shall work to preserve and protect the…26-4381874 · FY2024
Archaeological Research Institute INCTo educate current and future generations about past cultures through the investigation, identification and…84-2053906 · FY2024
Lawrenceburg, IN
$1.1M
$1.1M
$356.6K
86%
0%
3
501(c)(3)
Death Valley ConservancyTo preserve and support DEATH VALLEY national park and its resources and surrounding communities.26-2551221 · FY2024
Pasadena, CA
$1.1M
$1.1M
$30.2M
82%
0%
4
501(c)(3)
Redlands ConservancyPreservation of historic structures and land conservation.33-0600577 · FY2024
Redlands, CA
$1.0M
$1.4M
$20.3M
99%
0%
3
501(c)(3)
Frank Lloyd Wright Building ConservancyTo facilitate the preservation and maintenance of the remaining structures designed by FRANK LLOYD WRIGHT…36-3703598 · FY2024
Chicago, IL
$1.0M
$1.1M
$5.4M
59%
0%
4
501(c)(3)
Center for American ArcheologyThe CENTER fulfills their mission by supporting integrated programs of archeological investigation…36-6091054 · FY2024
Kampsville, IL
$461.8K
$480.8K
$522.3K
69%
1%
15
501(c)(3)
Verde Valley Archaeology CenterThe organization's mission is to preserve archaeological sites and collections, to curate the collections…27-3436708 · FY2024
Camp Verde, AZ
$372.9K
$430.2K
$2.8M
73%
13%
5
501(c)(3)
Upper Peninsula Land ConservancyProtect LAND today for life tomorrow for communities across michigan's UPPER PENINSULA38-3467972 · FY2024
Marquette, MI
$344.0K
$277.7K
$3.1M
55%
5%
4
501(c)(3)
Archaeology in the CommunityTo promote and facilitate the study and public understanding of archaeological heritage through informal…30-0538831 · FY2025
Washington, DC
$322.2K
$322.4K
$75.7K
86%
0%
6
501(c)(3)
Valley GuildPreserving a historical site.23-7284142 · FY2024
Antelope Valley ConservancyAcquisition and stewardship of habitat lands for wildlife and rare plants.20-3349581 · FY2024
Lake Hughes, CA
$148.4K
$117.9K
$604.1K
97%
0%
—
501(c)(3)
Archeological Society of VirginiaTo promote the study of archeology and anthropology, especially but not limited to the prehistoric and…54-6044013 · FY2024
The Alexandria Association INCPreserving alexandrian antiquities, promoting architectural and historical interests, restoring historic…23-7046785 · FY2024
West Central Ohio Land ConservancyTo preserve, protect, and conserve natural and cultural resources in the form of agricultural LAND, forests…51-0567573 · FY2025
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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