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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 13-5643799
$443.6M
2DUCKS UNLIMITED INC
EIN 91-2009004
$63.2M
3HIGHLANDER RESEARCH & EDUCATION CENTER INC
EIN 62-0646373
$25.0M
4SEVIER SOLID WASTE INC
EIN 62-1378187
$11.1M
5WETLANDS AMERICA TRUST INC
EIN 36-3330394
$11.0M
6CUMBERLAND RIVER COMPACT INC
EIN 62-1709756
$9.6M
7TENNESSEE WILDLIFE FEDERATION INCORPORATED
EIN 62-6047188
$6.6M
8MEMPHIS BOTANIC GARDEN FOUNDATION INC
EIN 23-7159172
$6.0M
9SOUTHERN ALLIANCE FOR CLEAN ENERGY
EIN 58-1620669
$5.4M
10SOUTHERN CONSERVATION CORP
EIN 16-1666137
$5.2M
11LAND TRUST FOR TENNESSEE INC
EIN 62-1770549
$5.0M
12UNION SPORTSMENS ALLIANCE
EIN 27-2345009
$4.9M
13TENNESSEE STATE PARKS CONSERVANCY
EIN 81-2827745
$4.8M
14FRIENDS OF RADNOR LAKE
EIN 23-7322143
$4.6M
15CLINCH-POWELL RESOURCE CONSERVATION AND DEVELOPMENT ARE
EIN 62-1396815
$4.4M
16TENNESSEE RIVER GORGE TRUST INC
EIN 62-1278612
$3.8M
17FRANKLIN S CHARGE INC
EIN 20-1774789
$3.5M
18GREAT SMOKY MOUNTAIN INSTITUTE
EIN 62-1833479
$3.3M
19WOLF RIVER CONSERVANCY INC
EIN 62-1245975
$3.2M
20IJAMS NATURE CENTER INC
EIN 59-1777902
$2.6M
21REFLECTION RIDING ARBORETUM AND NATURE CENTER
EIN 58-1311080
$2.5M
22FRIENDS OF SHELBY PARK INC
EIN 26-2738429
$2.4M
23FOOTHILLS LAND CONSERVANCY
EIN 62-1256238
$2.0M
24HARPETH CONSERVANCY
EIN 62-1802858
$1.9M
25APPALACHIAN-NORTHEAST TENN RESOURCE CONSERVATION AND DEVELOPMENT COUNC
EIN 62-1590577
$1.7M
26AMERICAN MATHEMATICAL ASSOCIATION OF TWO YEAR COLLEGES INC
EIN 11-2531258
$1.5M
27TENNESSEE ENVIRONMENTAL COUNCIL
EIN 62-0951294
$1.3M
28CONSERVATION FISHERIES INC
EIN 62-1502226
$1.2M
29BIG RIVER PARK CONSERVANCY
EIN 86-2115339
$1.2M
30GREENSPACES
EIN 27-2113695
$1.2M
31KNOXVILLE BOTANICAL GARDENS AND ARBORETUM
EIN 62-1868560
$1.0M
32STATEWIDE ORGANIZING FOR COMMUNITY EMPOWERMENT RESOURCE PROJECT
EIN 58-1550966
$844K
33URBAN GREEN LAB
EIN 27-1011744
$786K
34PROTECT OUR AQUIFER
EIN 81-4731640
$710K
35FRIENDS OF MILL RIDGE PARK
EIN 81-4617752
$673K
36SOUTHEASTERN CAVE CONSERVANCY INC
EIN 58-1950768
$661K
37FLC PROPERTIES FOUNDATION
EIN 27-0748899
$545K
38METRO NASHVILLE PARKS FOUNDATION
EIN 47-3639207
$508K
39ROCK THE OCEAN FOUNDATION
EIN 46-1317742
$508K
40ONE MILLION WELLS
EIN 82-1963744
$477K
41KEEP THE TENNESSEE RIVER BEAUTIFUL
EIN 82-2318211
$453K
42WATERWAYS
EIN 20-1065856
$446K
43KEEP KNOXVILLE BEAUTIFUL INC
EIN 62-1094445
$412K
44CHATTANOOGA AUDUBON SOCIETY
EIN 62-6047636
$411K
45TENNESSEE ADVANCED ENERGY BUSINESS COUNCIL
EIN 37-1703200
$378K
46TENNESSEE WILDLIFE OFFICERS ASSOCIATION
EIN 26-3246951
$351K
47TENNESSEE FORESTRY FOUNDATION INC
EIN 88-1627923
$326K
48DISCOVER LIFE IN AMERICA INC
EIN 62-1770910
$316K
49RUN4WATER
EIN 27-1869754
$313K
50NASHVILLE TREE CONSERVATION CORPS
EIN 83-3548812
$291K

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.