Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Columbus Zoological Park AssociationPowell | Form 990 | $127,161,901FY2025 |
| Zoological Society of CincinnatiCincinnati | Form 990 | $69,378,528FY2025 |
| Toledo Zoological SocietyToledo | Form 990 | $50,015,283FY2024 |
| Akron Zoological ParkAkron | Form 990 | $25,160,371FY2024 |
| Cleveland Zoological SocietyCleveland | Form 990 | $14,559,194FY2024 |
| International Center for the Preservation of Wild Animals IncPowell | Form 990 | $12,844,609FY2025 |
| The Cleveland Animal Protective LeagueCleveland | Form 990 | $10,411,587FY2024 |
| Geauga County Humane SocietyNovelty | Form 990 | $8,995,039FY2024 |
| Columbus HumaneHilliard | Form 990 | $7,825,467FY2025 |
| Angels for Animals IncCanfield | Form 990 | $7,619,634FY2024 |
| Humane Society of Summit CountyAkron | Form 990 | $6,835,533FY2024 |
| United Pet FundBlue Ash | Form 990 | $6,679,209FY2025 |
| Hamilton County Society for the Prevention of Cruelty to AnimalsCincinnati | Form 990 | $6,524,725FY2025 |
| Cincinnati Animal CareCincinnati | Form 990 | $6,452,903FY2024 |
| Humane Society of Greater DaytonDayton | Form 990 | $6,397,029FY2024 |
| GIGISColumbus | Form 990 | $5,148,828FY2024 |
| Columbus Center for Wildlife ConservationPowell | Form 990 | $4,500,011FY2025 |
| Society for the Improvement of Conditions for Stray AnimalsDayton | Form 990 | $4,200,409FY2024 |
| Humane Association of Warren County-OhioLebanon | Form 990 | $3,855,674FY2025 |
| Toledo Area Humane SocietyMaumee | Form 990 | $3,692,996FY2024 |
| League for Animal WelfareBatavia | Form 990 | $3,155,241FY2025 |
| Cat Welfare Association IncorporatedColumbus | Form 990 | $3,087,744FY2024 |
| United States Sportsmens Alliance FoundationColumbus | Form 990 | $3,086,890FY2024 |
| Altercare Animal ClinicCanton | Form 990 | $2,948,619FY2025 |
| Animal Charity of Ohio IncBoardman | Form 990 | $2,716,861FY2024 |
| One of a Kind Pet Rescue IncAkron | Form 990 | $2,524,613FY2025 |
| Portage Animal Protective LeagueRavenna | Form 990 | $2,404,127FY2024 |
| Friendship Animal Protective LeagueElyria | Form 990 | $2,367,064FY2025 |
| Animal Health OrganizationDelaware | Form 990 | $2,265,663FY2023 |
| Fairfield Area Humane SocietyLancaster | Form 990 | $2,216,601FY2024 |
| Shelter Outreach Services of OhioColumbus | Form 990 | $2,033,833FY2024 |
| Humane OhioToledo | Form 990 | $2,003,947FY2025 |
| Stark County Humane SocietyLouisville | Form 990 | $1,989,237FY2024 |
| The Medvet Charitable FoundationWorthington | Form 990 | $1,944,120FY2024 |
| United Coalition for AnimalsCincinnati | Form 990 | $1,943,689FY2025 |
| Ohio Wildlife CenterPowell | Form 990 | $1,854,122FY2025 |
| Save the Animals FoundationCincinnati | Form 990 | $1,815,382FY2025 |
| Whispering Grace HorsesMassillon | Form 990 | $1,804,993FY2025 |
| Lake Humane SocietyMentor | Form 990 | $1,801,042FY2024 |
| Humane Society and SPCA of Hancock CountyFindlay | Form 990 | $1,777,267FY2025 |
| Noahs Lost Ark IncBerlin Center | Form 990 | $1,731,717FY2024 |
| Animal Welfare League of Trumbull County IncVienna | Form 990 | $1,731,499FY2024 |
| Ohio Alleycat Resource & Spay Neuter Clinic IncCincinnati | Form 990 | $1,685,628FY2024 |
| Humane Society of Delaware CountyDelaware | Form 990 | $1,607,514FY2024 |
| Open Door Veterinary CollectiveGrand Rapids | Form 990 | $1,580,820FY2025 |
| Animal Friends Humane SocietyFairfield Township | Form 990 | $1,454,740FY2025 |
| Humane Society of Allen CountyLima | Form 990 | $1,406,083FY2024 |
| Petfix Northeast Ohio IncCleveland | Form 990 | $1,215,293FY2024 |
| Pets in Need of Greater Cincinnati IncCincinnati | Form 990 | $1,173,333FY2025 |
| Louies Legacy Animal RescueCincinnati | Form 990 | $1,148,528FY2025 |
1 to 50 of 1,307