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

Illinois animal organizations

There are 1,208 animal-focused nonprofit organizations in Illinois. Combined, these Illinoisan animal organizations employ 5,004 people, earn more than $522 million in revenue each year, and have assets of $2 billion.
Skip to:
Related directory pages:

Types of animal organizations in Illinois

Nonprofit typeNumberRevenues
Animal shelters and animal welfare organizations
 
791
 
$217,441,379
Wildlife conservation and protection organizations
 
130
 
$19,432,845
Animal services organizations
 
93
 
$6,093,294
Organizations supporting multiple animal nonprofits
 
38
 
$4,142,179
Wildlife sanctuaries and refuges
 
34
 
$8,396,763
Animal professional societies
 
27
 
$4,788,526
Animal alliances and advocates
 
20
 
$218,825
Veterinary organizations
 
16
 
$758,476
Zoos and acquariums
 
13
 
$268,781,539
Organizations suppporting a single animal nonprofit
 
12
 
$30,782
Showing 10 of 12 categories

Animal organizations by major Illinois cities

Metro areaNonprofitsRevenues
Chicago
 
706
 
$460,463,923
St. Louis, MO
 
75
 
$11,886,672
Peoria
 
40
 
$9,123,995
Davenport, IA
 
40
 
$7,452,136
Rockford
 
38
 
$2,413,974
Springfield, IL
 
28
 
$6,905,553
Champaign
 
25
 
$4,151,142
Bloomington, IL
 
22
 
$3,663,903
Carbondale
 
20
 
$1,466,393
Kankakee
 
16
 
$1,271,685
Showing 10 of 13 metros

Job trends for Illinois animal organizations

Employees per organizationNumber of organizations
0
 
164
1-10
 
63
11-25
 
35
26-100
 
31
101 to 1,000
 
8
1,000+
 
0
Key takeaways for employment stats:

Sizes of animal organizations in Illinois

Revenues per organizationNumber of organizations
< $250k
 
340
$250k to $1M
 
109
$1M to $5M
 
42
$5M to $25M
 
5
$25M to $100M
 
2
$100M+
 
2
Key takeaways for revenue stats:

Directory of animal organizations in Illinois

Want to add filters to this list, or drill down on results in detail? Open in the Cause IQ search interface
1-20 of 1,208

Lincoln Park Zoological Society

The Lincoln Park Zoological Society is created and organized, and shall be operated, exclusively for charitable, scientific, and educational purposes.
Revenue
$56.4m
Assets
$264.9m
Employees
541
EIN
36-2512404
IRS type
501(c)(3)

Brookfield Zoological Chicago

The mission of the Chicago Zoological Society is to inspire conservation leadership by connecting people with wildlife and nature. They had an international reputation for taking a cutting-edge role in animal care and conservation of the natural world.
Revenue
$108.0m
Assets
$317.2m
Employees
791
EIN
36-2167016
IRS type
501(c)(3)

PAWS Chicago

To build No Kill communities - starting with a No Kill Chicago - that respect and value the life of every cat and dog. To end the overpopulation of homeless animals through solutions, practices and education.
Revenue
$47.0m
Assets
$150.1m
Employees
254
EIN
36-4219778
IRS type
501(c)(3)

Shedd Aquarium

Shedd Aquarium is an indoor public aquarium in Chicago, Illinois in the United States. The aquarium contains 32,000 animals and was for some time the largest indoor aquarium in the world with 5,000,000 US gallons of water.
Revenue
$102.0m
Assets
$780.1m
Employees
659
EIN
36-2167918
IRS type
501(c)(3)

Orphans of the Storm

Deerfield animal shelter providing care and support for homeless dogs and cats from Lake and Northern Cook County, IL.
Revenue
$6.1m
Assets
$10.7m
Employees
57
EIN
36-6002114
IRS type
501(c)(3)

Anderson Humane

To improve the lives of pets and people through service, education and advocacy. Anderson Animal Shelter is dedicated to the welfare of companion animals and their human caregivers.
Revenue
$5.1m
Assets
$4.0m
Employees
111
EIN
36-6164626
IRS type
501(c)(3)

Tree House Humane Society

Empowers caregivers to protect cats through high-quality vet care, shelter services, and partnerships with high-intake shelters. Features a feline leukemia cat cafe.
Revenue
$5.4m
Assets
$11.1m
Employees
53
EIN
23-7444825
IRS type
501(c)(3)

Anti-Cruelty

The Anti-Cruelty Society fosters a community where animals thrive, providing shelter, veterinary care, and support for pet owners in need.
Revenue
$14.0m
Assets
$58.1m
Employees
215
EIN
36-2179814
IRS type
501(c)(3)

Animal House Shelter

Animal House Shelter rescues, rehabilitates, and finds homes for neglected and abused animals. The shelter has rescued and placed over 48000 dogs and other pets. Currently, the shelter houses and cares for over 200 dogs and 50 cats.
Revenue
$2.3m
Assets
$4.4m
Employees
59
EIN
36-4483106
IRS type
501(c)(3)

One Tail at A Time NFP

Chicago non-profit no-kill dog rescue lowering euthanasia rates, providing education on humane treatment of companion animals and veterinary services.
Revenue
$4.8m
Assets
$2.5m
Employees
45
EIN
26-2125306
IRS type
501(c)(3)

Showing Animals Respect and Kindness

Animal protection organization using drones to expose and stop exploitation, abuse, and killing of animals. Targets cockfighting and promotes alternatives to animal use.
Revenue
$2.1m
Assets
$2.1m
Employees
4
EIN
36-3937766
IRS type
501(c)(3)

Just Animals Placement Service

Placement service to rescue dogs and cats to permanent homes provide medical care and micro chipping and vaccinations.
Revenue
$2.0m
Assets
$1.9m
Employees
26
EIN
36-4123591
IRS type
501(c)(3)

South Suburban Humane Society

The South Suburban Humane Society is dedicated to promoting the well-being of animals in Chicago's south suburbs.
Revenue
$4.8m
Assets
$10.4m
Employees
110
EIN
23-7165004
IRS type
501(c)(3)

Animal Protective League of Springfield and Sangamon County (APL)

The Animal Protective League is a non-profit 501C(3) organization dedicated to caring for ill, injured and abused homeless animals and coordinating the adoption of those animals by responsible pet owners.
Revenue
$5.3m
Assets
$13.6m
Employees
59
EIN
23-7095476
IRS type
501(c)(3)

Spay Illinois Pet Well Clinics

Spay Illinois Pet Well Clinics provides affordable veterinary care, including spay-neuter surgeries, serving over 25,000 pets annually to promote pet health and welfare.
Revenue
$3.6m
Assets
$6.1m
Employees
45
EIN
45-2094195
IRS type
501(c)(3)

Wright-Way Rescue

Wright-Way Rescue Inc. aims to solve the pet overpopulation problem through adoption and education, offering programs that support this mission.
Revenue
$2.8m
Assets
$2.0m
Employees
116
EIN
37-1489618
IRS type
501(c)(3)

National Animal Welfare Society (NAWS)

Our mission is to end pet homelessness, suffering, and unnecessary pet euthanasia, and to serve pets in need, and to promote treating all animals with respect and dignity.
Revenue
$2.0m
Assets
$213.4k
Employees
50
EIN
26-0215886
IRS type
501(c)(3)

Save-A-Pet

Save-A-Pet is organization and one of the largest no-kill cat and dog rescues in Lake County that operates a full-time adoption center. We provide a safe haven for abused, neglected, injured, lost, or animals that have escaped euthanasia.
Revenue
$3.4m
Assets
$10.0m
Employees
55
EIN
23-7304570
IRS type
501(c)(3)

National Anti-Vivisection Society

National Anti-Vivisection Society aims to end animal use in research and education, promoting humane science alternatives and raising public awareness.
Revenue
$4.6m
Assets
$28.0m
Employees
17
EIN
36-2229588
IRS type
501(c)(3)

Animal Welfare League

Animal Welfare League promotes humane treatment of animals, maintains shelters, provides adoption programs, vet services, and spay/neuter services for limited-income pet owners.
Revenue
$4.2m
Assets
$20.7m
Employees
58
EIN
36-2235155
IRS type
501(c)(3)
Want more insights on animal organizations in Illinois?
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

© 2026 Nonprofit Metrics LLC
Terms of Service and Privacy Policy