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Colorado · NTEE D

Animal-Related Nonprofits in Colorado

Givalgo Discover indexes 50 active animal-related nonprofits headquartered in Colorado. 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
1DENVER DUMB FRIENDS LEAGUE
EIN 84-0405254
$92.9M
2DENVER ZOOLOGICAL FOUNDATION INC
EIN 84-0502539
$66.0M
3THE WILD ANIMAL SANCTUARY A COLORADO NON-PROFIT CORPORATION
EIN 84-1351483
$38.3M
4CHEYENNE MOUNTAIN ZOOLOGICAL SOCIETY
EIN 84-0407039
$34.4M
5HUMANE SOCIETY OF THE PIKES PEAK REGION
EIN 84-0410111
$21.5M
6MORRIS ANIMAL FOUNDATION
EIN 84-6032307
$17.3M
7NOCO HUMANE
EIN 84-0611804
$13.5M
8TRUE COMPANIONS INC
EIN 84-1116882
$11.3M
9ROCKY MOUNTAIN BIRD OBSERVATORY
EIN 84-1079882
$11.1M
10THE HUMANE SOCIETY OF BOULDER VALLEY INC
EIN 84-0152768
$8.5M
11ROCKY MOUNTAIN BUTTERFLY CONSORTIUM
EIN 84-1155029
$8.3M
12ENVIRONMENT FOR THE AMERICAS INC
EIN 20-5844470
$7.0M
13ANIMAL FRIENDS ALLIANCE
EIN 20-4969731
$5.7M
14LONGMONT HUMANE SOCIETY INC
EIN 84-0645455
$5.3M
15NATIVE AMERICAN FISH & WILDLIFE SOCIETY
EIN 86-0534380
$4.7M
16COLORADO PET PANTRY
EIN 45-4210185
$4.2M
17COLORADO HORSE RESCUE
EIN 84-1095741
$3.6M
18WILDLIFE PROTECTION SOLUTIONS
EIN 45-5583283
$3.3M
19CAT CARE SOCIETY
EIN 84-0869447
$3.3M
20LA PLATA COUNTY HUMANE SOCIETY
EIN 23-7274035
$3.2M
21DOGS PLAYING FOR LIFE
EIN 46-5559418
$3.0M
22PUEBLO ZOOLOGICAL SOCIETY
EIN 84-0723360
$2.9M
23COLORADO ZOOLOGICAL TRUST INC
EIN 84-1440122
$2.9M
24PLANNED PETHOOD INTERNATIONAL
EIN 84-1522523
$2.5M
25COLORADO WOLF AND WILDLIFE CENTER
EIN 84-1376613
$2.4M
26FRIENDS OF FOOTHILLS ANIMAL SHELTER
EIN 46-2809962
$2.1M
27AMERICAN BIRDING ASSOCIATION INC
EIN 74-2347314
$2.1M
28SECOND CHANCE HUMANE SOCIETY INC
EIN 84-1266231
$2.1M
29GOLDEN RETRIEVER RESCUE OF THE ROCKIES
EIN 84-1430940
$2.0M
30SOUL DOG RESCUE
EIN 45-4137227
$1.9M
31PET SUSTAINABILITY COALITION
EIN 85-0559248
$1.8M
32HUMANE SOCIETY OF THE SOUTH PLATTE VALLEY INC
EIN 27-0911048
$1.8M
33ARK-VALLEY HUMANE SOCIETY INC
EIN 84-1161648
$1.7M
34GREENWOOD WILDLIFE REHABILITATION CENTER
EIN 84-1228158
$1.7M
35HAMLETT SPAY AND NEUTER CLINIC OF COLORADO SPRINGS
EIN 84-0721617
$1.7M
36SOUTH PLATTE WATER RELATED ACTIVITIES PROGRAM INC
EIN 14-1931682
$1.7M
37STREET DOG COALITION
EIN 81-0793989
$1.5M
38LONGHOPES DONKEY SHELTER INC
EIN 84-1538890
$1.5M
39ROICE-HURST HUMANE SOCIETY INC
EIN 84-6048416
$1.5M
40LUVIN ARMS
EIN 47-4769645
$1.5M
41TROUT UNLIMITED
EIN 84-0628113
$1.4M
42SPAYTODAY
EIN 80-0303411
$1.4M
43ANIMAL WELFARE AND PROTECTION SOCIETY
EIN 85-0281749
$1.3M
44PEPPERS SENIOR DOG SANCTUARY
EIN 83-3612767
$1.3M
45HUMANE SOCIETY OF PAGOSA SPRINGS INC
EIN 74-2350919
$1.3M
46BIG BONES CANINE RESCUE SERVICE
EIN 46-2066034
$1.2M
47EVERGREEN ANIMAL PROTECTIVE LEAGUE
EIN 74-2204391
$1.2M
48LIFELINE PET RESCUE
EIN 84-1232676
$1.2M
49ROCKY MOUNTAIN PUPPY RESCUE
EIN 27-2214963
$1.2M
50AMICI CANNIS USA
EIN 47-5463065
$1.2M

Featured organizations

A representative cross-section beyond the revenue ranking, from national institutions to small community groups and private foundations, chosen for complete, recent IRS filings.

Frequently asked questions about animal-related nonprofits in Colorado

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

How many animal-related nonprofits operate in Colorado?
Every IRS-registered animal-related nonprofit in Colorado 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 animal-related nonprofit in Colorado?
The single largest animal-related nonprofit in Colorado 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 animal-related nonprofit in Colorado 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 Colorado animal-related nonprofits tax-deductible?
Federal deductibility is determined by IRS Publication 78 status, not state location. Donations to a Pub 78-listed animal-related nonprofit in Colorado are tax-deductible at the federal level; Colorado state tax treatment may differ.
Where do animal-related nonprofits in Colorado 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. Colorado state charity registration is a separate state-level requirement.