- Insights
- Top Environmental Organizations by Employees
The environmental organizations that employ the most people have between 143 and 4,091 employees, and tend to run environmental education, energy conservation, or natural resource conservation programs (among other types of environmental organizations). The more popular environmental organizations — Nature Conservancy, Greenpeace, Sierra Club, etc. — are present, but the realm of environmental nonprofits is much larger than just environmental advocacy. And geographically these top environmental organizations are distributed throughout the country, with states like Minnesota, Colorado, and Montana having a disproportionate presence.
Trends among the top environmental organizations
List of the top environmental organizations
Employees:
4,091
Revenue:
$1,137,390,674
NTEE:
EIN:
53-0242652
Location:
Website:
Founded:
1951
Employees:
3,939
Revenue:
$68,905,758
NTEE:
EIN:
68-0412350
Location:
Website:
Founded:
1998
Employees:
2,866
Revenue:
$546,317,217
NTEE:
EIN:
26-1939342
Location:
Website:
Founded:
2008
Employees:
2,796
Revenue:
$255,583,692
NTEE:
EIN:
13-1740011
Location:
Website:
Founded:
1895
Employees:
2,605
Revenue:
$37,357,144
NTEE:
EIN:
91-0880684
Location:
Website:
Founded:
1964
Employees:
2,043
Revenue:
$28,043,844
NTEE:
EIN:
84-1450808
Location:
Website:
Founded:
1998
Employees:
1,621
Revenue:
$21,291,175
NTEE:
EIN:
37-1473291
Location:
Website:
Founded:
2004
Employees:
1,357
Revenue:
$54,429,639
NTEE:
EIN:
92-0156736
Location:
Website:
Founded:
1992
Employees:
1,161
Revenue:
$157,358,989
NTEE:
EIN:
13-1624102
Location:
Website:
Founded:
1905
Employees:
1,095
Revenue:
$25,522,502
NTEE:
EIN:
83-0204184
Location:
Website:
Founded:
1965
Employees:
1,033
Revenue:
$156,717,329
NTEE:
EIN:
94-1153307
Location:
Website:
Founded:
1892
Employees:
980
Revenue:
$2,769,371
NTEE:
EIN:
13-2876109
Location:
Website:
Founded:
1976
Employees:
924
Revenue:
$44,778,213
NTEE:
EIN:
04-2105780
Location:
Website:
Founded:
1891
Employees:
868
Revenue:
$197,585,835
NTEE:
EIN:
13-2654926
Location:
Website:
Founded:
1970
Employees:
867
Revenue:
$37,986,297
NTEE:
EIN:
04-2104702
Location:
Website:
Founded:
1896
Employees:
785
Revenue:
$200,629,015
NTEE:
EIN:
11-6107128
Location:
Website:
Founded:
1967
Employees:
760
Revenue:
$35,424,938
NTEE:
EIN:
04-6001677
Location:
Website:
Founded:
1876
Employees:
752
Revenue:
$66,250,790
NTEE:
EIN:
54-0564701
Location:
Website:
Founded:
1853
Employees:
686
Revenue:
$5,278,851
NTEE:
EIN:
74-1590351
Location:
Website:
Founded:
1964
Employees:
678
Revenue:
$185,369,449
NTEE:
EIN:
13-5643799
Location:
Website:
Founded:
1937
Employees:
677
Revenue:
$286,350,088
NTEE:
EIN:
52-1693387
Location:
Website:
Founded:
1960
Employees:
622
Revenue:
$159,318,068
NTEE:
EIN:
52-1257057
Location:
Website:
Founded:
1982
Employees:
614
Revenue:
$15,187,880
NTEE:
EIN:
88-0431016
Location:
Website:
Founded:
1999
Employees:
575
Revenue:
$60,862,358
NTEE:
EIN:
94-2781708
Location:
Website:
Founded:
1981
Employees:
563
Revenue:
$35,084,586
NTEE:
EIN:
52-1541501
Location:
Website:
Founded:
1987
Employees:
516
Revenue:
$83,851,981
NTEE:
EIN:
23-7169265
Location:
Website:
Founded:
1971
Employees:
481
Revenue:
$70,469,785
NTEE:
EIN:
53-0193519
Location:
Website:
Founded:
1888
Employees:
475
Revenue:
$67,643,527
NTEE:
EIN:
41-1429149
Location:
Website:
Founded:
1982
Employees:
424
Revenue:
$159,498,081
NTEE:
EIN:
52-1497470
Location:
Website:
Founded:
1987
Employees:
397
Revenue:
$82,468,942
NTEE:
EIN:
53-0204616
Location:
Website:
Founded:
1939
Employees:
374
Revenue:
$3,477,365
NTEE:
EIN:
84-1483022
Location:
Website:
Founded:
1999
Employees:
367
Revenue:
$141,296,610
NTEE:
EIN:
23-7222333
Location:
Website:
Founded:
1972
Employees:
363
Revenue:
$19,747,202
NTEE:
EIN:
13-2765465
Location:
Website:
Founded:
1970
Employees:
356
Revenue:
$7,091,631
NTEE:
EIN:
81-0467431
Location:
Website:
Founded:
1990
Employees:
356
Revenue:
$12,926,692
NTEE:
EIN:
56-0547461
Location:
Website:
Founded:
1938
Employees:
354
Revenue:
$14,831,269
NTEE:
EIN:
41-0907135
Location:
Website:
Founded:
1966
Employees:
326
Revenue:
$5,678,163
NTEE:
EIN:
52-2082054
Location:
Website:
Founded:
1999
Employees:
324
Revenue:
$60,391,561
NTEE:
EIN:
38-1612715
Location:
Website:
Founded:
1959
Employees:
324
Revenue:
$33,963,969
NTEE:
EIN:
57-0564993
Location:
Website:
Founded:
1973
Employees:
314
Revenue:
$32,765,734
NTEE:
EIN:
81-4042787
Location:
Website:
Founded:
2013
Employees:
298
Revenue:
$37,635,927
NTEE:
EIN:
52-6065757
Location:
Website:
Founded:
1966
Employees:
295
Revenue:
$15,639,255
NTEE:
EIN:
94-2145930
Location:
Website:
Founded:
1971
Employees:
292
Revenue:
$121,662,420
NTEE:
EIN:
03-0304418
Location:
Website:
Founded:
1986
Employees:
285
Revenue:
$8,682,374
NTEE:
EIN:
51-0652665
Location:
Website:
Founded:
2007
Employees:
285
Revenue:
$4,880,612
NTEE:
EIN:
04-2111550
Location:
Website:
Founded:
1930
Employees:
284
Revenue:
$1,918,370
NTEE:
EIN:
11-2717326
Location:
Website:
Founded:
1985
Employees:
277
Revenue:
$1,043,839
NTEE:
EIN:
22-2668396
Location:
Website:
Founded:
1992
Employees:
277
Revenue:
$24,653,253
NTEE:
EIN:
25-1053485
Location:
Website:
Founded:
1932
Employees:
277
Revenue:
$21,261,930
NTEE:
EIN:
95-4116679
Location:
Website:
Founded:
1994
Employees:
273
Revenue:
$4,692,206
NTEE:
EIN:
04-2621656
Location:
Website:
Founded:
1977
Employees:
265
Revenue:
$81,874,403
NTEE:
EIN:
58-2231207
Location:
Website:
Founded:
1997
Employees:
264
Revenue:
$5,046,950
NTEE:
EIN:
33-0556414
Location:
Website:
Founded:
1992
Employees:
261
Revenue:
$61,864,266
NTEE:
EIN:
74-2244146
Location:
Website:
Founded:
1982
Employees:
257
Revenue:
$3,670,464
NTEE:
EIN:
41-0877459
Location:
Website:
Founded:
1963
Employees:
252
Revenue:
$4,783,183
NTEE:
EIN:
41-1291626
Location:
Website:
Founded:
1976
Employees:
252
Revenue:
$7,469,137
NTEE:
EIN:
01-0269460
Location:
Website:
Founded:
1917
Employees:
252
Revenue:
$16,760,146
NTEE:
EIN:
94-2889684
Location:
Website:
Founded:
1982
Employees:
251
Revenue:
$14,977,593
NTEE:
EIN:
83-0219163
Location:
Website:
Founded:
1974
Employees:
250
Revenue:
$6,123,638
NTEE:
EIN:
31-1654076
Location:
Website:
Founded:
1999
Employees:
246
Revenue:
$2,138,490
NTEE:
EIN:
13-1771421
Location:
Website:
Founded:
1887
Employees:
244
Revenue:
$36,605,936
NTEE:
EIN:
82-2342237
Location:
Website:
Founded:
2017
Employees:
241
Revenue:
$305,300,571
NTEE:
EIN:
33-0936366
Location:
Website:
Founded:
2000
Employees:
240
Revenue:
$6,652,124
NTEE:
EIN:
31-1113570
Location:
Website:
Founded:
1984
Employees:
238
Revenue:
$8,062,323
NTEE:
EIN:
94-3025807
Location:
Website:
Founded:
1986
Employees:
235
Revenue:
$11,991,503
NTEE:
EIN:
34-1320658
Location:
Website:
Founded:
1980
Employees:
221
Revenue:
$12,073,726
NTEE:
EIN:
22-1944440
Location:
Website:
Founded:
1971
Employees:
220
Revenue:
$221,481,591
NTEE:
EIN:
52-1388917
Location:
Website:
Founded:
1985
Employees:
210
Revenue:
$18,024,000
NTEE:
EIN:
31-1734086
Location:
Website:
Founded:
2000
Employees:
210
Revenue:
$6,815,716
NTEE:
EIN:
51-6020908
Location:
Website:
Founded:
1967
Employees:
206
Revenue:
$39,889,386
NTEE:
EIN:
52-1436778
Location:
Website:
Founded:
1985
Employees:
202
Revenue:
$95,918,592
NTEE:
EIN:
98-0513530
Location:
Website:
Founded:
2007
Employees:
199
Revenue:
$4,369,466
NTEE:
EIN:
56-0857708
Location:
Website:
Founded:
1966
Employees:
194
Revenue:
$40,067,349
NTEE:
EIN:
53-0225165
Location:
Website:
Founded:
1919
Employees:
192
Revenue:
$2,700,315
NTEE:
EIN:
36-4519273
Location:
Website:
Founded:
1998
Employees:
190
Revenue:
$50,258,922
NTEE:
EIN:
39-1356152
Location:
Website:
Founded:
1980
Employees:
188
Revenue:
$23,838,913
NTEE:
EIN:
04-2790398
Location:
Website:
Founded:
1982
Employees:
187
Revenue:
$5,430,142
NTEE:
EIN:
22-3171185
Location:
Website:
Founded:
1991
Employees:
186
Revenue:
$38,632,475
NTEE:
EIN:
51-0401308
Location:
Website:
Founded:
2001
Employees:
185
Revenue:
$5,829,792
NTEE:
EIN:
33-0293393
Location:
Website:
Founded:
1987
Employees:
185
Revenue:
$4,886,567
NTEE:
EIN:
68-0404081
Location:
Website:
Founded:
1997
Employees:
183
Revenue:
$2,291,381
NTEE:
EIN:
34-1821699
Location:
Website:
Founded:
1996
Employees:
178
Revenue:
$31,281,740
NTEE:
EIN:
31-1594197
Location:
Website:
Founded:
1998
Employees:
178
Revenue:
$4,331,041
NTEE:
EIN:
31-0672822
Location:
Website:
Founded:
1937
Employees:
177
Revenue:
$15,847,986
NTEE:
EIN:
41-1647799
Location:
Website:
Founded:
1989
Employees:
177
Revenue:
$24,614,571
NTEE:
EIN:
22-3053747
Location:
Website:
Founded:
1990
Employees:
175
Revenue:
$39,480,932
NTEE:
EIN:
53-0167933
Location:
Website:
Founded:
1937
Employees:
170
Revenue:
$21,092,613
NTEE:
EIN:
25-1442933
Location:
Website:
Founded:
1983
Employees:
168
Revenue:
$3,225,399
NTEE:
EIN:
56-1302500
Location:
Website:
Founded:
1972
Employees:
166
Revenue:
$34,498,515
NTEE:
EIN:
53-0183181
Location:
Website:
Founded:
1947
Employees:
166
Revenue:
$12,182,832
NTEE:
EIN:
02-0268636
Location:
Website:
Founded:
1965
Employees:
162
Revenue:
$21,414,648
NTEE:
EIN:
94-2584236
Location:
Website:
Founded:
1979
Employees:
160
Revenue:
$6,506,337
NTEE:
EIN:
75-1230663
Location:
Website:
Founded:
1965
Employees:
158
Revenue:
$8,098,464
NTEE:
EIN:
04-3027900
Location:
Website:
Founded:
1988
Employees:
155
Revenue:
$3,029,021
NTEE:
EIN:
56-6009912
Location:
Website:
Founded:
1948
Employees:
154
Revenue:
$3,911,870
NTEE:
EIN:
58-1275604
Location:
Website:
Founded:
1976
Employees:
154
Revenue:
$28,275,330
NTEE:
EIN:
36-4443093
Location:
Website:
Founded:
2001
Employees:
152
Revenue:
$16,530,975
NTEE:
EIN:
26-0043353
Location:
Website:
Founded:
2002
Employees:
146
Revenue:
$14,585,703
NTEE:
EIN:
31-0709198
Location:
Website:
Founded:
1965
Employees:
144
Revenue:
$10,318,260
NTEE:
EIN:
39-1468447
Location:
Website:
Founded:
1983
Employees:
143
Revenue:
$1,858,575
NTEE:
EIN:
54-1696134
Location:
Website:
Founded:
1993