Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Tulsa Zoo Management IncTulsa | Form 990 | $22,832,092FY2024 |
| Oklahoma Humane SocietyOklahoma City | Form 990 | $19,976,779FY2024 |
| Oklahoma Zoological Society IncOklahoma City | Form 990 | $7,570,293FY2025 |
| Nexus Equine IncOklahoma City | Form 990 | $4,983,916FY2024 |
| Tulsa Society for the Prevention of Cruelty to AnimalsTulsa | Form 990 | $3,670,974FY2025 |
| Wildcare FoundationNoble | Form 990 | $1,508,131FY2024 |
| Husky Halfway House FoundationEufaula | Form 990 | $1,266,145FY2024 |
| George Miksch Sutton Avian Research Center IncBartlesville | Form 990 | $1,208,607FY2025 |
| Oklahoma Primate Sanctuary IncNewcastle | Form 990 | $1,188,992FY2024 |
| Ardmore Animal Care IncArdmore | Form 990 | $1,150,844FY2025 |
| Bella FoundationOklahoma City | Form 990 | $1,148,095FY2025 |
| Free to Live IncorporatedEdmond | Form 990 | $1,140,861FY2025 |
| Animal Aid of Tulsa IncTulsa | Form 990 | $1,055,601FY2025 |
| Skiatook Paws and Claws Animal Rescue IncSkiatook | Form 990 | $876,163FY2024 |
| Ground Zero Emergency Training Center FoundationNorman | Form 990 | $754,187FY2024 |
| Blazes Tribute Equine RescueHarrah | Form 990 | $749,033FY2024 |
| Humane Society of TulsaTulsa | Form 990 | $740,719FY2024 |
| Oklahoma Alliance for Animals IncTulsa | Form 990 | $720,443FY2024 |
| Spay Oklahoma IncTulsa | Form 990 | $673,484FY2024 |
| Washington County Society for the Prevention of Cruelty to Animals IBartlesville | Form 990 | $672,970FY2025 |
| Wild Heart Ranch Wildlife RescueClaremore | Form 990 | $647,690FY2024 |
| Pets & People Humane Society IncYukon | Form 990 | $640,249FY2025 |
| Second Chance Animal Sanctuary IncNorman | Form 990 | $627,629FY2024 |
| Endangered Ark FoundationHugo | Form 990 | $538,744FY2024 |
| Oklahoma Aquarium FoundationJenks | Form 990 | $475,087FY2023 |
| Pontotoc Animal Welfare SocietyAda | Form 990 | $455,299FY2025 |
| Animal Rescue Foundation IncTulsa | Form 990 | $454,413FY2024 |
| Pet Food Pantry of Oklahoma City IncOklahoma City | Form 990 | $453,594FY2024 |
| Small Paws Rescue IncTulsa | Form 990 | $437,950FY2025 |
| Puppy Haven Rescue IncTulsa | Form 990 | $436,756FY2024 |
| Stephens County Humane SocietyDuncan | Form 990 | $418,092FY2025 |
| Humane Society of Cherokee CountyTahlequah | Form 990 | $394,355FY2025 |
| Fur Babies AdoptionsMuskogee | Form 990 | $387,725FY2024 |
| Humane Society of Grove and Grand Lake IncGrove | Form 990 | $345,217FY2025 |
| Horse and Hound Rescue FoundationGuthrie | Form 990 | $342,848FY2025 |
| Street Cats IncTulsa | Form 990 | $339,574FY2024 |
| Oklahoma Westie Rescue FoundationBroken Arrow | Form 990 | $322,973FY2024 |
| 405 Animal Rescue IncShawnee | Form 990 | $309,082FY2024 |
| A Lab for LifeEdmond | Form 990 | $297,924FY2023 |
| Pauls Valley Animal Welfare SocietyPauls Valley | Form 990 | $278,503FY2025 |
| Association of the Friends of the WichitasCache | Form 990 | $276,816FY2025 |
| Oklahoma PawsBroken Arrow | Form 990 | $265,281FY2025 |
| Tiny Paws Kitten Rescue IncStillwater | Form 990 | $264,018FY2024 |
| The Humane Society of Stillwater Oklahoma IncorporatedStillwater | Form 990 | $252,255FY2025 |
| Northern Oklahoma Humane SocietyPonca City | Form 990 | $241,561FY2024 |
| Forever Yours Dog Rescue IncOklahoma City | Form 990 | $224,235FY2025 |
| Oklahoma German Shepherd Rescue IncJenks | Form 990 | $220,015FY2025 |
| Saving Pets at Risk IncorporatedShawnee | Form 990 | $207,245FY2026 |
| T-Town TNR IncTulsa | Form 990 | $206,246FY2026 |
| Tornado Alley Bulldog RescueOklahoma City | Form 990 | $202,779FY2025 |
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