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Illinois · NTEE D

Animal-Related Nonprofits in Illinois

Givalgo Discover indexes 50 active animal-related nonprofits headquartered in Illinois. 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
1SHEDD AQUARIUM SOCIETY
EIN 36-2167918
$102.0M
2CHICAGO ZOOLOGICAL SOCIETY
EIN 36-2167016
$90.5M
3LINCOLN PARK ZOOLOGICAL SOCIETY
EIN 36-2512404
$50.5M
4PAWS CHICAGO
EIN 36-4219778
$47.0M
5ANTI-CRUELTY SOCIETY
EIN 36-2179814
$15.4M
6HEARTLAND ANIMAL SHELTER NFP
EIN 16-1617345
$8.5M
7TREE HOUSE HUMANE SOCIETY
EIN 23-7444825
$6.8M
8ANDERSON ANIMAL SHELTER
EIN 36-6164626
$6.3M
9ANIMAL WELFARE LEAGUE
EIN 36-2235155
$6.2M
10ORPHANS OF THE STORM
EIN 36-6002114
$6.1M
11ANIMAL PROTECTIVE LEAGUE OF SPRINGFIELD AND SANGAMON COUNTY
EIN 23-7095476
$5.3M
12ONE TAIL AT A TIME NFP
EIN 26-2125306
$4.8M
13NATIONAL ANTI-VIVISECTION SOCIETY
EIN 36-2229588
$4.6M
14SPAY ILLINOIS PET WELL CLINICS INC
EIN 45-2094195
$4.6M
15SOUTH SUBURBAN HUMANE SOCIETY
EIN 23-7165004
$4.4M
16AMERICAN VETERINARY MEDICAL FOUNDATION
EIN 36-6117739
$3.9M
17GATEWAY PET GUARDIANS
EIN 26-0096240
$3.6M
18CHAMPAIGN COUNTY HUMANE SOCIETY INC
EIN 37-0714217
$3.5M
19SAVE A PET INC
EIN 23-7304570
$3.4M
20WRIGHT-WAY RESCUE
EIN 37-1489618
$2.8M
21AMERICAN COLLEGE OF VETERINARY PATHOLOGISTS
EIN 31-6050563
$2.5M
22NATIONAL ANIMAL WELFARE SOCIETY INC
EIN 26-0215886
$2.4M
23KNOX COUNTY HUMANE SOCIETY
EIN 23-7369831
$2.3M
24HUMANE SOCIETY OF ROCK ISLAND COUNTY
EIN 36-2952894
$2.2M
25ANIMAL HOUSE SHELTER INC
EIN 36-4483106
$2.1M
26YOUNG AT HEART PET RESCUE INC
EIN 20-2476194
$2.0M
27HINSDALE HUMANE SOCIETY
EIN 36-2441177
$2.0M
28TAZEWELL ANIMAL PROTECTIVE SOCIETY
EIN 37-0818782
$1.9M
29MIDWEST FURRY FANDOM
EIN 36-4292696
$1.9M
30ANIMAL CARE LEAGUE
EIN 23-7367847
$1.8M
31BELLEVILLE AREA HUMANE SOCIETY
EIN 37-0814881
$1.6M
32TAILS HUMANE SOCIETY
EIN 36-4334785
$1.6M
33FELINES INC
EIN 36-2922975
$1.6M
34BORDER TAILS RESCUE
EIN 85-0940489
$1.5M
35JUST ANIMALS PLACEMENT SERVICE
EIN 36-4123591
$1.5M
36WEST SUBURBAN HUMANE SOCIETY
EIN 23-7355420
$1.4M
37CATNAP FROM THE HEART INC
EIN 22-3860113
$1.4M
38QUINCY HUMANE SOCIETY
EIN 37-6045284
$1.4M
39TENDER LOVING CARE ANIMAL SHELTER
EIN 36-2813497
$1.3M
40METRO EAST HUMANE SOCIETY
EIN 37-1196065
$1.3M
41HOOVED ANIMAL HUMANE SOCIETY
EIN 23-7150339
$1.3M
42PAWS
EIN 37-1341598
$1.3M
43HUMANE SOCIETY OF SOUTHERN ILLINOIS/SPCA INC
EIN 37-6040687
$1.3M
44FISH WELFARE INITIATIVE
EIN 85-2065536
$1.2M
45BUDDY FOUNDATION
EIN 36-4007576
$1.2M
46PARTNERS FOR PETS HUMANE SOCIETY
EIN 36-4521704
$1.2M
47CATCADE INC
EIN 81-5469117
$1.2M
48ANIMAL BEHAVIOR SOCIETY INC
EIN 36-6196868
$1.1M
49NORTH AMERICAN VERSATILE HUNTING DOG ASSOCIATION
EIN 95-3402489
$1.1M
50ANIMALS DESERVING OF PROPER TREATMENT
EIN 36-3683984
$1.1M

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 Illinois

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

How many animal-related nonprofits operate in Illinois?
Every IRS-registered animal-related nonprofit in Illinois 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 Illinois?
The single largest animal-related nonprofit in Illinois 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 Illinois 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 Illinois 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 Illinois are tax-deductible at the federal level; Illinois state tax treatment may differ.
Where do animal-related nonprofits in Illinois 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. Illinois state charity registration is a separate state-level requirement.