1. Directory of nonprofits
  2. Locations
  3. Colorado
  4. Colorado animal organizations

Colorado animal organizations

There are 1,072animal-focused nonprofit organizations in Colorado. Combined, these Coloradananimal organizationsemploy 4,783 people, earn more than $457 million in revenue each year, and have assets of $864 million.
Skip to:
Related directory pages:

Types of animal organizations in Colorado

Nonprofit typeNumberRevenues
Animal shelters and animal welfare organizations
625
$147,133,719
Wildlife conservation and protection organizations
170
$96,555,515
Animal services organizations
108
$5,407,905
Wildlife sanctuaries and refuges
42
$59,890,791
Organizations supporting multiple animal nonprofits
29
$454,573
Animal alliances and advocates
23
$34,828,086
Veterinary organizations
21
$45,325,874
Endangered species protection organizations
18
$14,841,918
Animal professional societies
14
$22,653,694
Organizations suppporting a single animal nonprofit
12
$3,404,377
Showing 10 of 13categories

Animal organizations by major Colorado cities

Metro areaNonprofitsRevenues
Denver
431
$207,259,265
Colorado Springs
134
$70,755,347
Fort Collins
92
$25,655,193
Boulder
75
$68,568,835
Greeley
72
$50,083,368
Pueblo
30
$4,988,942
Grand Junction
26
$3,653,821
Showing 7 of 7metros

Job trends for Colorado animal organizations

Employees per organizationNumber of organizations
0
119
1-10
75
11-25
27
26-100
25
101 to 1,000
11
1,000+
0
Key takeaways for employment stats:

Sizes of animal organizations in Colorado

Revenues per organizationNumber of organizations
< $250k
306
$250k to $1M
85
$1M to $5M
39
$5M to $25M
11
$25M to $100M
5
$100M+
0
Key takeaways for revenue stats:

Directory of animal organizations in Colorado

Want to add filters to this list, or drill down on results in detail? Open in the Cause IQ search interface
1-20 of 1,072

Denver Dumb Friends League

Denver Dumb Friends League ends pet homelessness and suffering by providing comprehensive care for vulnerable pets and offering urgent veterinary services.
Revenue
$25.2m
Assets
$120.2m
Employees
455
EIN
84-0405254
IRS type
501(c)(3)

Morris Animal Foundation (MAF)

Morris Animal Foundation is a nonprofit organization that invests in science to advance animal health. The Foundation is a global leader in funding scientific studies for companion animals, horses and wildlife.
Revenue
$14.4m
Assets
$112.2m
Employees
63
EIN
84-6032307
IRS type
501(c)(3)

Wildlife Protection Solutions

Wildlife Protection Solutions conserves endangered species through technology-based protection, safe habitats, breeding programs, relocation efforts, community building, and education.
Revenue
$12.2m
Assets
$20.7m
Employees
18
EIN
45-5583283
IRS type
501(c)(3)

Denver Zoological Foundation

Denver Zoological Foundation operates as a non-profit organization. They provide animal care, exceeding professional standards for animal welfare and management, veterinary care, behavioral enrichment, and nutrition and staff training.
Revenue
$61.8m
Assets
$45.5m
Employees
684
EIN
84-0502539
IRS type
501(c)(3)

Noco Humane

Larimer Humane Society fosters safe and compassionate relationships between animals and people, caring for thousands of animals and responding to calls for service.
Revenue
$11.2m
Assets
$33.3m
Employees
102
EIN
84-0611804
IRS type
501(c)(3)

Cheyenne Mountain Zoologial Society

Cheyenne Mountain Zoological Society connects people with wildlife and wild places to inspire action through conservation, captive breeding, and education.
Revenue
$32.5m
Assets
$116.5m
Employees
319
EIN
84-0407039
IRS type
501(c)(3)

Butterfly Pavilion

The mission of the Butterfly Pavilion is to foster an appreciation of butterflies and other invertebrates while educating the public about the need for conservation of threatened habitats in the tropics and around the world.
Revenue
$8.3m
Assets
$10.7m
Employees
155
EIN
84-1155029
IRS type
501(c)(3)

The Humane Society of Boulder Valley

Boulder's Humane Society offers adoptions, behavior/training, and veterinary services including medical care and spay/neuter surgeries for shelter animals.
Revenue
$7.1m
Assets
$17.1m
Employees
146
EIN
84-0152768
IRS type
501(c)(3)

Environment for the Americas

Environment for the Americas increases bird conservation awareness through education, training, and event frameworks. It is located in Boulder, CO.
Revenue
$5.4m
Assets
$356.5k
Employees
14
EIN
20-5844470
IRS type
501(c)(3)

The Maxfund

Maxfund provides medical care for homeless pets and administers a state-wide spay/neuter program, located in Denver, CO.
Revenue
$5.9m
Assets
$13.3m
Employees
154
EIN
84-1116882
IRS type
501(c)(3)

Bird Conservancy of the Rockies

Bird Conservancy of the Rockies conserves birds and their habitats through science, education, and land stewardship in Brighton, CO.
Revenue
$10.1m
Assets
$5.7m
Employees
177
EIN
84-1079882
IRS type
501(c)(3)

The Wild Animal Sanctuary

Saving one animal may not change the world...But surely, for that one animal...The world will change forever!.
Revenue
$33.9m
Assets
$49.1m
Employees
121
EIN
84-1351483
IRS type
501(c)(3)

Humane Society of the Pikes Peak Region

HSPPR compassionately cares for animals, supports safe communities, and provides adoption services, veterinary care, and low-income family pet spay/neuter.
Revenue
$21.6m
Assets
$31.7m
Employees
381
EIN
84-0410111
IRS type
501(c)(3)

American Animal Hospital Association

Veterinary association providing education, membership services and promoting the profession. Mission: Simplify The Journey Towards Excellence For Veterinary Practices.
Revenue
$12.1m
Assets
$15.9m
Employees
73
EIN
35-1043944
IRS type
501(c)(6)

American College of Veterinary Internal Medicine

ACVIM improves animal and human lives worldwide through veterinary education, medical excellence and the annual FORUM event.
Revenue
$8.9m
Assets
$14.9m
Employees
32
EIN
23-7302718
IRS type
501(c)(6)

Mamco

Moms and Mutts Colorado Rescue for Pregnant and Nursing supports animal protection and welfare, operates from Englewood, CO, and generated $1,512,878 in total revenues last year.
Revenue
$2.5m
Assets
$-327,163
Employees
0
EIN
82-2066308
IRS type
501(c)(3)

Peppers Senior Dog Sanctuary

Pepper's Senior Dog Sanctuary provides a compassionate, forever home for senior dogs in Littleton, CO, supervised by veterinarians.
Revenue
$2.0m
Assets
$2.9m
Employees
27
EIN
83-3612767
IRS type
501(c)(3)

Animal Haus

Animal Haus feeds Colorado pets to keep them with their families through emergency pet food and pet food banks. Located in Boulder.
Revenue
$4.0m
Assets
$1.0m
Employees
17
EIN
45-4210185
IRS type
501(c)(3)

Colorado Wolf and Wildlife Center (CWWC)

The CWWC is one of very few sanctuaries in the United States which has been certified by the Association of Zoos and Aquariums. CWWC actively participates in the Species Survival Program by providing a home to Mexican Grey Wolves and Swift Foxes.
Revenue
$2.2m
Assets
$9.0m
Employees
20
EIN
84-1376613
IRS type
501(c)(3)

Planned Pethood International

PPi reduces animal suffering worldwide through affordable spay/neuter, training vets, and ending economic euthanasia. Located in Conifer, CO.
Revenue
$3.0m
Assets
$4.2m
Employees
51
EIN
84-1522523
IRS type
501(c)(3)
Want more insights on animal organizations in Colorado?
There's a whole lot more to Cause IQ than what you see here. Additional filters, personnel information, peer benchmarking, Salesforce integration, vendor lists, etc. Access all the information your company needs in one place, already collected.
Schedule a demo
Over 200 customers use Cause IQ to grow, maintain, and serve their nonprofit clients.
Methodology: Cause IQ mines all tax-exempt organizations that file a Form 990, Form 990-EZ, or Form 990-PF with the IRS. We collect and aggregate this information from OCR'd paper taxreturns, XML e-file taxreturns, IRS-provided extract, the Business Master File, and Cause IQ secret sauce for data cleaning, categorization, classification, analytics, etc.
This category corresponds to the "D00: Animal Related: General" National Taxonomy of Exempt Entities (NTEE) code. Cause IQ determines NTEEs for organizations by its own internally-developed secret-sauce algorithms.
Cause IQ is a website that helps companies grow, maintain, and serve their nonprofit clients, and helps nonprofits find additional foundation funding. Our data and tools help professionals prospect for nonprofits, research opportunities, benchmark their clients, and enrich existing information.
Nonprofits
Product
Customers
About

© 2025 Nonprofit Metrics LLC
Terms of Service and Privacy Policy