Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Shedd Aquarium SocietyChicago | Form 990 | $101,974,802FY2024 |
| Chicago Zoological SocietyBrookfield | Form 990 | $90,541,500FY2026 |
| Lincoln Park Zoological SocietyChicago | Form 990 | $50,519,973FY2025 |
| Paws ChicagoChicago | Form 990 | $46,965,874FY2024 |
| Anti-Cruelty SocietyChicago | Form 990 | $15,413,078FY2025 |
| Heartland Animal Shelter NFPWheeling | Form 990 | $8,483,270FY2025 |
| Tree House Humane SocietyChicago | Form 990 | $6,848,477FY2025 |
| Anderson Animal ShelterSouth Elgin | Form 990 | $6,333,464FY2025 |
| Animal Welfare LeagueChicago Ridge | Form 990 | $6,164,442FY2025 |
| Orphans of the StormRiverwoods | Form 990 | $6,073,329FY2024 |
| Animal Protective League of Springfield and Sangamon CountySpringfield | Form 990 | $5,319,516FY2024 |
| One Tail at a Time NFPChicago | Form 990 | $4,838,469FY2024 |
| National Anti-Vivisection SocietyChicago | Form 990 | $4,619,734FY2025 |
| Spay Illinois Pet Well Clinics IncNaperville | Form 990 | $4,579,795FY2025 |
| South Suburban Humane SocietyMatteson | Form 990 | $4,405,786FY2025 |
| American Veterinary Medical FoundationSchaumburg | Form 990 | $3,946,055FY2024 |
| Gateway Pet GuardiansEast Saint Louis | Form 990 | $3,624,380FY2025 |
| Champaign County Humane Society IncChampaign | Form 990 | $3,493,954FY2025 |
| Save a Pet IncGrayslake | Form 990 | $3,357,902FY2024 |
| Wright-Way RescueMorton Grove | Form 990 | $2,771,870FY2024 |
| American College of Veterinary PathologistsSchaumburg | Form 990 | $2,499,942FY2025 |
| National Animal Welfare Society IncOrland Park | Form 990 | $2,377,871FY2025 |
| Knox County Humane SocietyGalesburg | Form 990 | $2,307,371FY2024 |
| Humane Society of Rock Island CountyMilan | Form 990 | $2,182,770FY2024 |
| Animal House Shelter IncInverness | Form 990 | $2,086,416FY2025 |
| Young at Heart Pet Rescue IncWoodstock | Form 990 | $2,010,964FY2024 |
| Hinsdale Humane SocietyHinsdale | Form 990 | $1,952,976FY2024 |
| Tazewell Animal Protective SocietyPekin | Form 990 | $1,876,774FY2024 |
| Midwest Furry FandomRosemont | Form 990 | $1,859,238FY2025 |
| Animal Care LeagueOak Park | Form 990 | $1,825,713FY2024 |
| Belleville Area Humane SocietyBelleville | Form 990 | $1,605,497FY2025 |
| Tails Humane SocietyDeKalb | Form 990 | $1,580,592FY2024 |
| Felines IncChicago | Form 990 | $1,566,861FY2024 |
| Border Tails RescueNorthbrook | Form 990 | $1,515,327FY2024 |
| Just Animals Placement ServiceMazon | Form 990 | $1,467,326FY2025 |
| West Suburban Humane SocietyDowners Grove | Form 990 | $1,438,549FY2025 |
| Catnap from the Heart IncLa Grange Park | Form 990 | $1,378,359FY2025 |
| Quincy Humane SocietyQuincy | Form 990 | $1,372,347FY2025 |
| Tender Loving Care Animal ShelterHomer Glen | Form 990 | $1,314,822FY2024 |
| Metro East Humane SocietyEdwardsville | Form 990 | $1,291,446FY2025 |
| Hooved Animal Humane SocietyWoodstock | Form 990 | $1,262,297FY2025 |
| PAWSAnna | Form 990 | $1,261,967FY2024 |
| Humane Society of Southern Illinois/SPCA IncCarbondale | Form 990 | $1,256,387FY2025 |
| Fish Welfare InitiativeNormal | Form 990 | $1,245,609FY2025 |
| Buddy FoundationArlington Heights | Form 990 | $1,184,274FY2025 |
| Partners for Pets Humane SocietyTroy | Form 990 | $1,160,796FY2025 |
| Catcade IncChicago | Form 990 | $1,150,672FY2024 |
| Animal Behavior Society IncGlenview | Form 990 | $1,098,832FY2026 |
| North American Versatile Hunting Dog AssociationArlington Heights | Form 990 | $1,096,146FY2024 |
| Animals Deserving of Proper TreatmentNaperville | Form 990 | $1,088,897FY2024 |
1 to 50 of 1,009