Grants paid by Houston Zoo Inc
EIN 74-1590271 · Houston, TX · Form 990, Schedule I · NTEE D115
Houston Zoo Inc of Houston, TX (EIN 74-1590271) reported 71 grants paid totaling $4,415,473 to 33 recipients in tax years 2020–2024, on Form 990, Schedule I. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$4,415,473
71 grants
Recipients
33
distinct organizations
Tax years
2020–2024
4 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 13 | $927,923 | — |
| 2022 | 14 | $1,324,422 | — |
| 2023 | 21 | $1,114,913 | — |
| 2024 | 23 | $1,048,215 | — |
Top recipients
The 33 recipients receiving the most from Houston Zoo Inc, by grants paid, out of 33 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Baylor College of Medicine 74-1613878 | A | Dallas, TX | 4 | $1,605,722 | 2024 |
| Mountain Gorilla Veterinary Project 06-1752363 | A | Davis, CA | 4 | $380,000 | 2024 |
| George M Sutton Avian Research Center 73-1023595 | A | Bartlesville, OK | 2 | $331,308 | 2023 |
| Fossil Rim Wildlife Center 75-2327438 | A | Glen Rose, TX | 3 | $331,307 | 2024 |
| Dian Fossey Gorilla Fund International 52-1118866 | A | Atlanta, GA | 4 | $195,000 | 2024 |
| Ecology Project International 91-2163952 | A | Missoula, MT | 2 | $194,000 | 2022 |
| Fort Worth Zoological Association 75-0991727 | A | Fort Worth, TX | 2 | $135,638 | 2023 |
| Uc Davis School of Veterinary Medicine 94-6036494 | A | Davis, CA | 4 | $127,528 | 2024 |
| Wildlife Conservation Network 30-0108469 | A | San Francisco, CA | 3 | $120,294 | 2024 |
| Texas A&m Agrilife Research 74-6000541 | A | College Station, TX | 2 | $113,608 | 2024 |
| International Crane Foundation 39-1187711 | A | Baraboo, WI | 3 | $100,000 | 2024 |
| Telonics Inc 86-0348648 | A | Mesa, AZ | 2 | $76,783 | 2023 |
| Capitol Area Council - Boy Scouts of America 74-1143057 | A | Austin, TX | 2 | $75,988 | 2024 |
| International Elephant Foundation 75-2815706 | A | Azle, TX | 4 | $70,000 | 2024 |
| Save Giraffes Now 83-4423842 | A | Dallas, TX | 2 | $62,300 | 2024 |
| Dallas Zoological Society 75-0964982 | A | Dallas, TX | 2 | $54,456 | 2024 |
| Texas State University 74-6002248 | A | San Marcos, TX | 3 | $51,440 | 2024 |
| Texas Conservation Alliance 23-7112618 | A | Dallas, TX | 2 | $45,000 | 2024 |
| Wildlife Conservation Global Inc 26-0035224 | A | Jacksonville, FL | 2 | $45,000 | 2023 |
| Global Conservation Network 41-1719362 | A | Apple Valley, MN | 4 | $42,000 | 2024 |
| International Rhino Foundation 75-2395006 | A | Fort Worth, TX | 1 | $40,000 | 2024 |
| North Carolina Zoological Society 56-0990900 | A | Asheboro, NC | 2 | $40,000 | 2024 |
| Wildlife Guardians 36-4712624 | A | Alexandria, VA | 1 | $30,000 | 2020 |
| Gorilla Rehabilitation & Conservation Education Ctr 46-2308758 | A | Niwot, CO | 2 | $30,000 | 2024 |
| Zoo Knoxville 62-1034633 | A | Knoxville, TN | 1 | $20,000 | 2024 |
| American Bird Conservancy 52-1501259 | A | The Plains, VA | 1 | $20,000 | 2024 |
| Pines and Prairies Land Trust 74-2989863 | A | Bastrop, TX | 1 | $15,552 | 2023 |
| American Assoc of Zoological Parks and Aquariums 55-0526930 | A | Silver Spring, MD | 1 | $15,000 | 2022 |
| White Oak Conservation Foundation 46-4249512 | A | Chicago, IL | 1 | $11,069 | 2022 |
| Social and Environmental Entrepreneurs (see) 95-4116679 | A | Calabasas, CA | 1 | $10,000 | 2024 |
| Rewild 26-2887967 | A | Austin, TX | 1 | $10,000 | 2024 |
| Americans for Oxford Inc 52-1495060 | A | New York, NY | 1 | $9,480 | 2020 |
| Columbus Zoo and Aquarium 31-4390844 | A | Powell, OH | 1 | $7,000 | 2024 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 71 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2024 | Baylor College of Medicine Dallas, TX | A | $341,112 | paid | EEHV research project | 202542899349300929 |
| 2024 | Mountain Gorilla Veterinary Project Davis, CA | A | $100,000 | paid | Support for Gorilla doctors | 202542899349300929 |
| 2024 | Dian Fossey Gorilla Fund International Atlanta, GA | A | $100,000 | paid | Gorilla conservation, support for Rwandan women | 202542899349300929 |
| 2024 | Texas A&m Agrilife Research College Station, TX | A | $76,601 | paid | Houston Toad conservation support | 202542899349300929 |
| 2024 | Capitol Area Council - Boy Scouts of America Austin, TX | A | $68,438 | paid | Houston Toad conservation support | 202542899349300929 |
| 2024 | International Rhino Foundation Fort Worth, TX | A | $40,000 | paid | Operating support | 202542899349300929 |
| 2024 | International Crane Foundation Baraboo, WI | A | $40,000 | paid | Operating support | 202542899349300929 |
| 2024 | Save Giraffes Now Dallas, TX | A | $32,300 | paid | Operating support | 202542899349300929 |
| 2024 | Uc Davis School of Veterinary Medicine Davis, CA | A | $25,000 | paid | Dr. Marcy with Patagonia Marine Wildlife | 202542899349300929 |
| 2024 | Texas Conservation Alliance Dallas, TX | A | $25,000 | paid | Operating support | 202542899349300929 |
| 2024 | Fossil Rim Wildlife Center Glen Rose, TX | A | $23,257 | paid | Attwater Prairie Chicken conservation support | 202542899349300929 |
| 2024 | Zoo Knoxville Knoxville, TN | A | $20,000 | paid | SAFE Tortoise Program | 202542899349300929 |
| 2024 | International Elephant Foundation Azle, TX | A | $20,000 | paid | Operating support | 202542899349300929 |
| 2024 | Wildlife Conservation Network San Francisco, CA | A | $20,000 | paid | Operating support | 202542899349300929 |
| 2024 | American Bird Conservancy The Plains, VA | A | $20,000 | paid | SPLASH environmental conservation support | 202542899349300929 |
| 2024 | North Carolina Zoological Society Asheboro, NC | A | $20,000 | paid | African Vulture conservation support | 202542899349300929 |
| 2024 | Dallas Zoological Society Dallas, TX | A | $17,387 | paid | Houston Toad conservation support | 202542899349300929 |
| 2024 | Global Conservation Network Apple Valley, MN | A | $12,000 | paid | Planning Specialist Group operating support | 202542899349300929 |
| 2024 | Texas State University San Marcos, TX | A | $10,120 | paid | Houston Toad conservation support | 202542899349300929 |
| 2024 | Gorilla Rehabilitation & Conservation Education Ctr Niwot, CO | A | $10,000 | paid | Gorilla conservation | 202542899349300929 |
| 2024 | Rewild Austin, TX | A | $10,000 | paid | Species recovery conservation | 202542899349300929 |
| 2024 | Social and Environmental Entrepreneurs (see) Calabasas, CA | A | $10,000 | paid | Texas native cat conservation | 202542899349300929 |
| 2024 | Columbus Zoo and Aquarium Powell, OH | A | $7,000 | paid | Mission Conservation workshop | 202542899349300929 |
| 2023 | Baylor College of Medicine Dallas, TX | A | $409,757 | paid | EEHV Research Project | 202423209349311872 |
| 2023 | Fossil Rim Wildlife Center Inc Glen Rose, TX | A | $122,342 | paid | Attwater Prairie Chicken conservation support | 202423209349311872 |
| 2023 | George M Sutton Avian Research Center Bartlesville, OK | A | $115,608 | paid | Attwater Prairie Chicken conservation support | 202423209349311872 |
| 2023 | Mgvp - Mountain Gorilla Veterinary Project Davis, CA | A | $105,000 | paid | Program support | 202423209349311872 |
| 2023 | Fort Worth Zoological Association Fort Worth, TX | A | $41,142 | paid | Houston Toad conservation support | 202423209349311872 |
| 2023 | University of California - Davis Davis, CA | A | $38,250 | paid | Latin America program | 202423209349311872 |
| 2023 | Dallas Zoological Scoiety Dallas, TX | A | $37,069 | paid | Houston Toad conservation support | 202423209349311872 |
| 2023 | Texas A&m Agrilife Research College Station, TX | A | $37,007 | paid | Houston Toad conservation support | 202423209349311872 |
| 2023 | Save Giraffes Now Dallas, TX | A | $30,000 | paid | Giraffe conservation support | 202423209349311872 |
| 2023 | Dian Fossey Gorilla Fund International Atlanta, GA | A | $25,000 | paid | Program support | 202423209349311872 |
| 2023 | Texas Conservation Alliance Dallas, TX | A | $20,000 | paid | Program support | 202423209349311872 |
| 2023 | North Carolina Zoological Society Asheboro, NC | A | $20,000 | paid | African Vulture conservation | 202423209349311872 |
| 2023 | International Elephant Foundation Azle, TX | A | $20,000 | paid | Program support | 202423209349311872 |
| 2023 | International Crane Foundation Baraboo, WI | A | $20,000 | paid | Program support | 202423209349311872 |
| 2023 | Pines and Prairies Land Trust Bastrop, TX | A | $15,552 | paid | Houston Toad conservation support | 202423209349311872 |
| 2023 | Wildlife Conservation Global Inc Jacksonville, FL | A | $15,000 | paid | Okapi Conservation project | 202423209349311872 |
| 2023 | Texas State University San Marcos, TX | A | $14,555 | paid | Houston Toad conservation support | 202423209349311872 |
| 2023 | Wildlife Conservation Network San Francisco, CA | A | $11,081 | paid | Emerging Wildlife Conservation Leaders support | 202423209349311872 |
| 2023 | Global Conservation Network - Planning Specialist Group Apple Valley, MN | A | $10,000 | paid | Program support | 202423209349311872 |
| 2023 | Boy Scouts of America - Capitol Area Council Austin, TX | A | $7,550 | paid | Houston Toad conservation support | 202423209349311872 |
| 2023 | Telonics Inc Mesa, AZ | A | $0 + $33,272 non-cash | paid | Giant Anteater and Highways Project | 202423209349311872 |
| 2022 | Baylor College of Medicine Dallas, TX | A | $400,901 | paid | EEHV Research Project | 202333069349303018 |
| 2022 | George Miksch Sutton Avian Research Center Bartlesville, OK | A | $215,700 | paid | Attwater Prairie Chicken conservation support | 202333069349303018 |
| 2022 | Fossil Rim Wildlife Center Glen Rose, TX | A | $185,708 | paid | Attwater Prairie Chicken conservation support | 202333069349303018 |
| 2022 | Ecology Project International Missoula, MT | A | $124,000 | paid | Galapagos Educational Program | 202333069349303018 |
| 2022 | Fort Worth Zoological Association Fort Worth, TX | A | $94,496 | paid | Houston Toad conservation support | 202333069349303018 |
| 2022 | Telonics Inc Mesa, AZ | A | $76,783 | paid | Giant Anteater conservation support | 202333069349303018 |
| 2022 | Mgvp Inc Davis, CA | A | $75,000 | paid | Mountain and Eastern Lowland Gorilla conservation support | 202333069349303018 |
| 2022 | Dian Fossey Gorilla Fund Int'l Atlanta, GA | A | $50,000 | paid | Operating Support | 202333069349303018 |
| 2022 | Texas State University San Marcos, TX | A | $26,765 | paid | Houston Toad conservation support | 202333069349303018 |
| 2022 | University of California - Davis West Sacramento, CA | A | $24,000 | paid | Latin America Program | 202333069349303018 |
| 2022 | American Assoc of Zoological Parks and Aquariums Silver Spring, MD | A | $15,000 | paid | Employee Relief Fund | 202333069349303018 |
| 2022 | International Elephant Foundation Azle, TX | A | $15,000 | paid | Elephant conservation support | 202333069349303018 |
| 2022 | White Oak Conservation Foundation Chicago, IL | A | $11,069 | paid | Emerging wildlife conservation leader support | 202333069349303018 |
| 2022 | Global Conservation Network Apple Valley, MN | A | $10,000 | paid | Operating Support | 202333069349303018 |
| 2020 | Baylor College of Medicine Dallas, TX | A | $453,952 | paid | EEHV Research Project | 202103169349311525 |
| 2020 | Mountain Gorilla Vet Project Davis, CA | A | $100,000 | paid | Operating Support | 202103169349311525 |
| 2020 | Wildlife Conservation Network San Francisco, CA | A | $89,213 | paid | Various conservation projects | 202103169349311525 |
| 2020 | Ecology Project International Missoula, MT | A | $70,000 | paid | Galapagos Educational Program | 202103169349311525 |
| 2020 | Univ of California-Davis Davis, CA | A | $40,278 | paid | Int'l Elephant & Sea Turtle Program | 202103169349311525 |
| 2020 | International Crane Fdn Baraboo, WI | A | $40,000 | paid | Whooping Crane Recovery Support | 202103169349311525 |
| 2020 | Wildlife Guardians Alexandria, VA | A | $30,000 | paid | Operating Support | 202103169349311525 |
| 2020 | Okapi Conservation Project Jacksonville, FL | A | $30,000 | paid | Operating Support | 202103169349311525 |
| 2020 | Dian Fossey Gorilla Fund Intl Atlanta, GA | A | $20,000 | paid | Operating Support | 202103169349311525 |
| 2020 | Gorilla Rehab & Conserv Ctr Cumberland, ME | A | $20,000 | paid | Operating Support | 202103169349311525 |
| 2020 | Intl Elephant Foundation Azle, TX | A | $15,000 | paid | Operating Support | 202103169349311525 |
| 2020 | Cons Breeding Specialist Grp Apple Valley, MN | A | $10,000 | paid | Operating Support - Breeding | 202103169349311525 |
| 2020 | Americans for Oxford Inc New York, NY | A | $9,480 | paid | Ruaha Carnivore Project Support | 202103169349311525 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990 | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202542899349300929 |
| 990 | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202423209349311872 |
| 990 | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202333069349303018 |
| 990 | 2020 | 2020-12-31 | not stated | 2020v4.0 | 202103169349311525 |
Derived from IRS Form 990 e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/741590271.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.