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Tennessee · NTEE C

Environment Nonprofits in Tennessee

Givalgo Discover indexes 50 active environment nonprofits headquartered in Tennessee. The list below is sorted by reported revenue on the most recent Form 990 indexed for each organisation.

Top 50 by reported revenue

From the most recent Form 990 indexed for each organisation. Click an org for full diligence detail.

#OrganisationRevenue
1DUCKS UNLIMITED INC
EIN 91-2009004
$65.8M
2HIGHLANDER RESEARCH & EDUCATION CENTER INC
EIN 62-0646373
$25.0M
3WETLANDS AMERICA TRUST INC
EIN 36-3330394
$19.5M
4SEVIER SOLID WASTE INC
EIN 62-1378187
$11.1M
5CUMBERLAND RIVER COMPACT INC
EIN 62-1709756
$9.6M
6SOUTHERN CONSERVATION CORP
EIN 16-1666137
$8.0M
7TENNESSEE WILDLIFE FEDERATION INCORPORATED
EIN 62-6047188
$6.6M
8SOUTHERN ALLIANCE FOR CLEAN ENERGY
EIN 58-1620669
$5.4M
9LAND TRUST FOR TENNESSEE INC
EIN 62-1770549
$5.0M
10UNION SPORTSMENS ALLIANCE
EIN 27-2345009
$4.9M
11TENNESSEE STATE PARKS CONSERVANCY
EIN 81-2827745
$4.8M
12MEMPHIS BOTANIC GARDEN FOUNDATION INC
EIN 23-7159172
$4.8M
13FRIENDS OF RADNOR LAKE
EIN 23-7322143
$4.6M
14CLINCH-POWELL RESOURCE CONSERVATION AND DEVELOPMENT ARE
EIN 62-1396815
$4.4M
15TENNESSEE RIVER GORGE TRUST INC
EIN 62-1278612
$3.8M
16FRANKLIN S CHARGE INC
EIN 20-1774789
$3.5M
17GREAT SMOKY MOUNTAIN INSTITUTE
EIN 62-1833479
$3.3M
18WOLF RIVER CONSERVANCY INC
EIN 62-1245975
$3.2M
19IJAMS NATURE CENTER INC
EIN 59-1777902
$2.6M
20REFLECTION RIDING ARBORETUM AND NATURE CENTER
EIN 58-1311080
$2.5M
21FOOTHILLS LAND CONSERVANCY
EIN 62-1256238
$2.0M
22HARPETH CONSERVANCY
EIN 62-1802858
$1.9M
23APPALACHIAN-NORTHEAST TENN RESOURCE CONSERVATION AND DEVELOPMENT COUNC
EIN 62-1590577
$1.7M
24AMERICAN MATHEMATICAL ASSOCIATION OF TWO YEAR COLLEGES INC
EIN 11-2531258
$1.5M
25TENNESSEE ENVIRONMENTAL COUNCIL
EIN 62-0951294
$1.3M
26CONSERVATION FISHERIES INC
EIN 62-1502226
$1.2M
27BIG RIVER PARK CONSERVANCY
EIN 86-2115339
$1.2M
28GREENSPACES
EIN 27-2113695
$1.2M
29KNOXVILLE BOTANICAL GARDENS AND ARBORETUM
EIN 62-1868560
$1.0M
30LOOKOUT MOUNTAIN CONSERVANCY
EIN 62-1460535
$859K
31PROTECT OUR AQUIFER
EIN 81-4731640
$859K
32STATEWIDE ORGANIZING FOR COMMUNITY EMPOWERMENT RESOURCE PROJECT
EIN 58-1550966
$844K
33FRIENDS OF SHELBY PARK INC
EIN 26-2738429
$801K
34URBAN GREEN LAB
EIN 27-1011744
$697K
35FRIENDS OF MILL RIDGE PARK
EIN 81-4617752
$673K
36SOUTHEASTERN CAVE CONSERVANCY INC
EIN 58-1950768
$661K
37YOUNG GIFTED & GREEN
EIN 83-1920312
$607K
38METRO NASHVILLE PARKS FOUNDATION
EIN 47-3639207
$596K
39FLC PROPERTIES FOUNDATION
EIN 27-0748899
$545K
40TREES KNOXVILLE
EIN 81-5291655
$533K
41ROCK THE OCEAN FOUNDATION
EIN 46-1317742
$508K
42ONE MILLION WELLS
EIN 82-1963744
$477K
43KEEP THE TENNESSEE RIVER BEAUTIFUL
EIN 82-2318211
$453K
44WATERWAYS
EIN 20-1065856
$446K
45KEEP KNOXVILLE BEAUTIFUL INC
EIN 62-1094445
$412K
46CHATTANOOGA AUDUBON SOCIETY
EIN 62-6047636
$385K
47TENNESSEE ADVANCED ENERGY BUSINESS COUNCIL
EIN 37-1703200
$378K
48DISCOVER LIFE IN AMERICA INC
EIN 62-1770910
$361K
49TENNESSEE WILDLIFE OFFICERS ASSOCIATION
EIN 26-3246951
$351K
50TENNESSEE FORESTRY FOUNDATION INC
EIN 88-1627923
$326K

Frequently asked questions about environment nonprofits in Tennessee

Answers compiled from the IRS Form 990, BMF, Pub 78, and Auto-Revocation List.

How many environment nonprofits operate in Tennessee?
Every IRS-registered environment nonprofit in Tennessee appears in the Givalgo Discover index. The top 50 by reported revenue are listed on this page; the full set is searchable on discover.givalgo.ai.
What's the largest environment nonprofit in Tennessee?
The single largest environment nonprofit in Tennessee by reported total revenue is shown at the top of the list on this page, sourced from each organisation's most recent IRS Form 990 filing.
How do I vet a environment nonprofit in Tennessee before donating?
Use Givalgo Discover's free profile for the organisation: it cross-references the IRS Auto-Revocation List, IRS Publication 78, and the IRS Business Master File, and exposes the latest Form 990 financials and governance signals on a single page.
Are donations to Tennessee environment nonprofits tax-deductible?
Federal deductibility is determined by IRS Publication 78 status, not state location. Donations to a Pub 78-listed environment nonprofit in Tennessee are tax-deductible at the federal level; Tennessee state tax treatment may differ.
Where do environment nonprofits in Tennessee file their Form 990?
All US tax-exempt organisations file Form 990 with the IRS at the federal level — there is no state-specific filing for the federal exemption itself. Tennessee state charity registration is a separate state-level requirement.