Skip to the page

Data / Nonprofits / Texas / Houston / Animal-related

Animal-related nonprofits in Houston, TX: 200 registered with the IRS

200 animal-related nonprofits are registered with the IRS in Houston, TX, 197 of them 501(c)(3) charities; the 79 that report revenue took in $148.4 million. The largest by revenue: Houston Zoo Inc ($82.7 million), Houston Society for the Prevention of Cruelty To Animals ($21.4 million), Houston Humane Society ($12.4 million).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Houston Zoo Inc501(c)(3)1967$82.7 million$380.8 million2024-12
Houston Society for the Prevention of Cruelty To Animals501(c)(3)1948$21.4 million$78.1 million2024-12
Houston Humane Society501(c)(3)1960$12.4 million$27.7 million2024-12
Spay-Neuter Assistance Program Inc501(c)(3)1999$5.2 million$1.2 million2025-06
Citizens for Animal Protection Inc501(c)(3)1973$4.7 million$11 million2025-06
Rescued Pets Movement Inc501(c)(3)2014$4.1 million$3.1 million2024-12
Petset501(c)(3)2004$2.6 million$1.2 million2024-12
K-9 Angels Rescue501(c)(3)2012$1.8 million$1.5 million2025-12
Special Pals Incorporated501(c)(3)1980$1.5 million$1.1 million2025-12
Houston Safari Club Foundation501(c)(3)1981$1.4 million$3.4 million2025-06
Houston Pets Alive501(c)(3)2014$1.1 million$799,6992024-12
Quail Federation Inc501(c)(3)2010$463,129$615,0172024-12
Happy Faces Pet Ranch501(c)(3)2020$461,617$111,3122024-12
Red Collar Rescue Inc501(c)(3)2007$447,292$43,9232024-12
Golden Beginnings Golden Retriever Rescue Inc501(c)(3)1999$425,273$1.4 million2025-12
Wild Welfare Us501(c)(3)2022$412,630$159,2752025-12
Barrio Dogs Inc501(c)(3)2011$406,057$153,0342025-12
Freedom Street Rescue Inc501(c)(3)2015$364,689$58,6222024-12
Shaggy Dog Rescue501(c)(3)2008$333,291$146,1282025-12
Homeless & Orphaned Pets Endeavor501(c)(3)2000$321,057$134,5992025-12
4HR Sanctuary501(c)(3)2024$306,900$234,9802024-12
Cypress Lucky Mutt Rescue501(c)(3)2014$303,686$185,2432025-12
Animal Justice League501(c)(3)2015$272,873$106,5482024-12
A Place for Peanut Inc501(c)(3)2016$268,544$90,5532025-12
Pippy S Pals Rescue501(c)(3)2024$247,358$16,7552025-12
Endangered Rhino Conservation501(c)(3)2018$245,907$939,2242025-12
Miniature Schnauzer Rescue of Houston501(c)(3)2003$215,572$106,6692024-12
Paws for Heroes501(c)(3)2013$207,549$1 million2025-12
Pembroke Welsh Corgi Club of America Inc501(c)(4)2000$207,064$370,2142024-12
Houston Chow Chow Connection501(c)(3)2014$203,426$49,2822023-12
Mission Rabies USA Inc501(c)(3)2017$198,944$230,5192025-12
Sunnyside Street Dogs I501(c)(3)2023$194,566$19,6752024-12
Houston Cares Animal Rescue501(c)(3)2015$184,282$53,2942024-12
Little Heartbeats Kitten Rescue501(c)(3)2022$166,128$70,6212025-12
El Gato Charities501(c)(3)2020$163,833$43,5732024-12
Loving Arms Pet Placement501(c)(3)2008$153,052$190,4252025-12
Homeless Pet Placement League Inc501(c)(3)1990$147,031$195,9662025-12
South Main Center Association501(c)(3)1976$145,634$444,5202025-06
Lone Star Shihtzu & Lhasa Lapso Rescue501(c)(3)2002$144,365$187,5492024-12
Paw Patrol501(c)(3)2022$140,590$103,9662025-12
Golden Retriever Rescue of Houston Inc501(c)(3)2003$138,599$283,8002025-12
Greater Houston German Shepherd Dog Rescue501(c)(3)2008$133,045$375,3782024-12
Pup Squad Animal Rescue501(c)(3)2009$118,948$13,8212024-12
Scout S Honor Rescue501(c)(3)2006$115,706$21,3472024-12
Dream Dachshund Rescue Education & Adoption Mission501(c)(3)2013$114,122$69,5252025-12
Bone Voyage Dog Rescue Inc501(c)(3)2023$98,402$122,5502023-12
All Dogs Official Rescue Enterprise501(c)(3)2013$94,119$352,1862024-12
Idog Rescue Inc501(c)(3)2006$92,639$70,9562025-12
West Houston Animal Rescue501(c)(3)2012$90,882$2,1982025-12
Friends of Barc Inc501(c)(3)2003$88,819$299,8692025-12
Stretch for Strays Inc501(c)(3)2017$87,773$27,6512025-12
Joyrides Rescue501(c)(3)2016$86,926$8,8432024-12
Rescue French Bulldogs501(c)(3)2023$78,390$1,3842025-12
National Search Dog Alliance501(c)(3)2008$70,966$140,3182025-12
Cocker Spaniel Rescue of East Texas Incorporated501(c)(3)1999$65,839$176,6032024-12
South Texas Aussie Rescue Star501(c)(3)2000$63,289$135,5252025-12
Space City Cats Inc501(c)(3)2021$62,609$29,3642025-12
Best Animal Rescue501(c)(3)2023$57,319$12024-12
Sea-El Carmen501(c)(3)2000$46,622$316,4312025-12
Give Us Paws501(c)(3)2014$46,460$21,2512025-12
Good Neighbors Animal Rescue501(c)(3)2015$45,500$3112024-12
Honoring Hope and Faith Rescue Inc501(c)(3)2016$44,266$4,1142025-12
Kims Furever Homes & Adoptions501(c)(3)2020$43,265$6,1052025-12
Great Pyrenees Advocates of Texas Inc501(c)(3)2021$40,808$23,7122025-12
Gulf Coast Cocker Spaniel Rescue Inc501(c)(3)2010$39,228$15,2432025-12
Samantha S Purrfect Cat Rescue501(c)(3)2024$27,678$5,3492025-12
Daily Kibble of Cleveland Texas501(c)(3)2025$27,583$21,1522025-12
Underdog Connection501(c)(3)2022$22,144$8472024-12
Kayas K9S501(c)(3)2023$20,136$35,3312025-12
Prevent Pet Suffocation Inc501(c)(3)2018$17,810$50,1832025-12
Generations Cat Club501(c)(3)2022$16,850$4,6952024-07
Happy Bunny Project501(c)(3)2022$10,290$7,7452025-12
Routte 1 Productions501(c)(3)2022$8,551$6,4442024-12
MR & MS Kitty Kat Shelter501(c)(3)2023$7,325$12024-12
Bayou City Kitties501(c)(3)2024$4,400$4,4002024-11
The Kindness Crew501(c)(3)2025$2,000$2,0002025-12
Lucky Dog Rescue Inc501(c)(3)2009$249$9032024-12
632 Canine Rescue501(c)(3)2023$0$02025-12
A Shelter in the Storm Animal Rescu E501(c)(3)2026
Adopt A Cat Inc501(c)(3)2023$0$22,2012025-12
Adorable Mutts Rescue501(c)(3)2014$0$02025-12
All About the Pups501(c)(3)2015$0$02025-12
Angels Four Paws Inc501(c)(3)2013$0$02025-12
Aransas Project501(c)(3)2010$11,7932025-12
Aratis Love and Rescue Foundation501(c)(3)2018$0$02025-05
Buddys Blankets501(c)(3)2018$0$02024-12
Bunny Buddies Inc501(c)(3)1998$0$02025-12
Caros Canines Rescue501(c)(3)2025$0$02025-12
Cat Whisper Rescue Corporation501(c)(3)2022$0$02025-12
Cats for Life Inc501(c)(3)2008$0$02025-12
Chikos Animal Rescue Inc501(c)(3)2019$0$02025-12
Church of Care501(c)(3)2021$0$02025-12
Clutch City Kitties501(c)(3)2024$0$02025-12
Cocker Spaniel Club of South Texas501(c)(7)2024$0$02025-09
Cotty Bear Foundation501(c)(3)2024$5,0002025-12
Cultivating A Coexistence With Animals501(c)(3)2014$0$02024-12
Dedicated Animal Rescue501(c)(3)2024
Dog BNB Rescue501(c)(3)2025$0$02025-12
Dogs & Cats Support Rescue501(c)(3)2016$0$02025-12
Donnas Love Pet Rescue501(c)(3)2024$17,4052024-12
East End Kitties501(c)(3)2026$0$02025-12
Elite Plantinum Charties501(c)(3)2025
Esperanza Equina Inc501(c)(3)2025$0$02025-12
Faith Love Grace Ranch501(c)(3)2025
Feral Feline Retreat501(c)(3)2010$0$02023-12
Finn S Pals Care501(c)(3)2024$0$02023-12
Finnians Foundation for Endangered Species501(c)(3)2020$0$02025-12
Frankies Lifeline for Pets Foundati On501(c)(3)2026
French Frys Friends Rescue501(c)(3)2026
Friends of Countypets501(c)(3)2011
Friends of Happy Animals Club501(c)(3)2025
Friends of Moose501(c)(3)2008$0$02025-12
Friends of Rescued Mastiffs Inc501(c)(3)2002$0$02025-09
Fur A Pawsitive Future Inc501(c)(3)2022$0$02025-12
Fuzzy Texan Animal Rescue Inc501(c)(3)2020$0$02025-12
Good Mews Rescue501(c)(3)2012$0$02024-12
Great Dane Rescue of Southeast Texas Inc501(c)(3)2011$0$02025-12
Greenwood Animal Rescue Inc501(c)(3)2014$0$02025-12
HTX Dog Rescue501(c)(3)2023$0$02025-12
Happy Canine Rescue Resort Inc501(c)(3)2024$0$02024-12
Helping Hands Animal Rescue and Rehabilitation501(c)(3)2022$0$02026-01
Hirsch Road Revival Rescue501(c)(3)2023$0$02025-12
Hound & Hen - Dog & Bird Rescue501(c)(3)2018$0$02024-12
Houston Cat Club Charity Cat Show Inc501(c)(3)2014$0$02026-04
Htown Paws Animal Rescue501(c)(3)2025
Hunter Proud Foundation501(c)(3)2009$209,4322024-12
Ig Rescue South Texas501(c)(3)2024$0$02025-12
JSK Cow Sanctuary Inc501(c)(3)2020$0$02025-12
Kitty City501(c)(3)2009$0$02025-12
Livernois Road Dog Welfare501(c)(3)2024
Love Angus Foundation501(c)(3)2015$0$02025-12
Lumpy Lizard Reptile Poultry and Exotics Rescue501(c)(3)2020$0$02025-12
M and D Rescue Duo501(c)(3)2018$0$02024-12
MPC Cares501(c)(3)2025$12024-12
McCullough Communnity Cat TNR Found Ation501(c)(3)2026
Mighty Cat Coalition Inc501(c)(3)2026
Mission for Paws Rescue and Adoption Inc501(c)(3)2016$0$02025-12
My Hevinly Pawz Inc501(c)(3)2024
My Little World of Rescue Inc501(c)(3)2025$0$1002025-12
N-Da-Mix Roping & Riders501(c)(3)2024
National Maine Coon Cat Club Inc501(c)(4)2001$0$02025-12
Noaha501(c)(3)2021$0$02025-12
Noahs Animal Rescue501(c)(3)2025
Norris Rohde Service Animal Corp501(c)(3)2019$0$02025-12
Ohth Inc501(c)(3)2013$0$02025-12
One Cat at A Time501(c)(3)2017$0$02025-12
Parkwood Eagles LTD501(c)(3)2025
Parrot Toy Angels501(c)(3)2006$0$02023-12
Pats and Scratches Cat Sanctuary501(c)(3)2025$0$02025-01
Paw Pact Rescue501(c)(3)2021$0$02025-12
Paws & Wings Hope Foundation501(c)(3)2026
Paws Haven Rescue501(c)(3)2009$0$02024-12
Paws for Therapy501(c)(3)2019$0$02025-12
Pet Rescue Team Inc501(c)(3)2016$0$02025-12
Petronus Rescue501(c)(3)2019$0$02025-12
Pets 4 Life Rescue & Rehab501(c)(3)2025$0$02025-12
Petshare501(c)(3)2001$0$02025-12
Phoenix Paw Foundation Inc501(c)(3)2025$0$02025-12
Pink & Pittiful501(c)(3)2015$0$02025-01
Pompaws Fosters501(c)(3)2025$0$02025-12
Project Rusty Inc501(c)(3)2013$0$02025-12
Recycled Dogs LTD501(c)(3)2024$0$02025-12
Reducing Overpopulation Spayneuter Education & Support501(c)(3)2024$0$02024-12
Rocios Rescues Inc501(c)(3)2016$0$02025-12
Rottweiler Recovery Foundation Inc501(c)(3)2001$0$02025-12
Sacred Hearts of Hope Rescue501(c)(3)2026
Safe Haven Colony Associat501(c)(3)2026
Save Some Souls501(c)(3)2021$12024-12
Serenia Fields Rescue501(c)(3)2026
Southern Penguin501(c)(3)2019$0$02023-09
Starlight Tails Animal Rescue501(c)(3)2026
Street Dogs501(c)(3)2014$0$02025-12
TX Belgian Malinois Alliance Rescue Inc501(c)(3)2024$0$02025-12
Table Two Gaming Inc501(c)(3)2022$0$02025-12
Teamferal Cat Rescue and Adoptions501(c)(3)2001$0$02023-12
Tender Loving Crested Rescue501(c)(3)2014$0$02025-12
Texas Alaskan Malamute Rescue Association501(c)(3)2007$0$02025-12
Texas Homeward Bound Animal Rescue Inc501(c)(3)2022$0$02025-12
Texas Vip Rescue501(c)(3)2025
The Alliance at Sea Dog Animal Trai Ning501(c)(3)2025
The Sunshine Fund Cat Rescue Inc501(c)(3)2021$0$02025-12
The@calico Fund Inc501(c)(3)2009$12025-12
To Increase the Bonding Between Humans and Domestic Animals501(c)(3)2010$0$02024-12
Travis Family Animal Foundation501(c)(3)2025$0$02025-12
Twilight Tails- A Sanctuary for Senior Dogs501(c)(3)2017$0$02024-12
United Spanish Timbrado Fanciers Inc501(c)(3)2014$0$02025-12
Unruly Pawject501(c)(3)2026
Vegan Society of Peace501(c)(3)2011$0$02025-12
Veterinary Rescue Group501(c)(3)2015$0$02025-12
Veterinary Surgical Assistance Program Inc501(c)(3)2024$0$02023-12
Vizsla Rescue of Texas501(c)(3)2015$0$02025-12
Wags Fund501(c)(3)2017$0$02025-12
Wild Tunes Inc501(c)(3)2024$0$02025-12
Wildlife Conservation and Prevention Organization Inc501(c)(3)2022$0$02026-01
Willies Way501(c)(3)2025$0$02025-12
Woof Pack Rescue501(c)(3)2019$0$02025-12
Worldwide Veterinary Service USA Inc501(c)(3)2018$0$23,3732025-12
Zikomo Foundation501(c)(3)2022$402,3252025-12
Houston Beagle and Hound Rescue Inc501(c)(3)2004$-18,835$114,9642024-12
Friedkin Conservation Fund501(c)(3)1995$-354,275$86,1252024-12

Other causes in Houston, TX

Every nonprofit in Houston, TX · Animal-related nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.