The Hall-Halliburton Foundation concentrates philanthropic dollars into a small number of sizeable, mission-focused grants rather than broad, diffuse giving. Their portfolio shows a clear interest in aviation and military/aviation-related causes, coupled with support for veteran services and place-based community charities. They also fund local faith‑based social services and conservation/community development in the Whitefish, MT area. Repeated multi-grant commitments to a few organizations indicate a preference for sustained partnerships.
A defining feature of Hall-halliburton Foundation Inc C/o Randolph B Mahoney is its pattern of repeated, large commitments to a small set of organizations. The strongest recurring thread in the recent grants is aviation: Aopa Foundation received support in 2023, 2024, and 2025, including two $500,000 grants, while The Tacamo Foundation received a $220,000 grant in 2025 for military and aviation-related work. The foundation also pairs that aviation emphasis with veteran-serving funding, including K9s for Warriors, and with place-based philanthropy in Whitefish, Montana through Whitefish Legacy Partners and related community organizations. Its grant history shows a mix of mission areas rather than a broad scatter of one-off gifts. Some awards support conservation and community development, while others back faith-based social services, animal welfare, and local health or education efforts. Several organizations reappear across multiple years, which points to sustained relationships rather than isolated transactions. The largest recent grant in the file is the $800,000 award to Whitefish Legacy Partners in 2024, and the portfolio also includes substantial support for Downtown Ecumenical Services in Jacksonville and TMC Health Foundation in Tucson.
Aviation is the clearest theme. The foundation gave $500,000 in 2025 and another $500,000 in 2024 to Aopa Foundation, after a $200,000 grant in 2023, showing continued support for general aviation safety, pilot education, and aviation nonprofit capacity. Veteran-focused work appears through K9s for Warriors, which received $250,000 in 2023 for support tied to veteran service dogs and reintegration. Military and aviation heritage also shows up in a $220,000 2025 grant to The Tacamo Foundation. The foundation also backs local community and social-service organizations. Downtown Ecumenical Services received $200,000 in 2025 and $50,000 in 2024, while Whitefish Legacy Partners received $800,000 in 2024 and $200,000 in 2023 for conservation and community development in Whitefish, Montana.
Typical awards are substantial: the grant-size distribution runs from a p25 of $5,000 to a median of $25,000 and a p75 of $100,000. The recent record is dominated by larger grants above that midpoint, including several six-figure awards and a small number of very large commitments. The pattern also shows repetition across years, especially for Aopa Foundation, Whitefish Legacy Partners, Downtown Ecumenical Services, and several Jacksonville-area recipients. The foundation does not fund individuals and does not make program-related investments, indicating a grant-only structure rather than an investment-based one.
$1.5M
$32.5M
$2.2M
$1.8M
Most grants fall between $5K and $100K, with a median of $25K.
25th Percentile
$5K
Median
$25K
75th Percentile
$100K
About 3% of grants go to recipients in FL.
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Concentrated giving: a small number of large grants (several six-figure awards) with repeat funding to select organizations, indicating multi-year or sustained support relationships rather than many small one-off grants.
Notable grantees: AOPA Foundation, Whitefish Legacy Partners, K9s for Warriors, The TACAMO Foundation, Downtown Ecumenical Services
Grantmaking is national, with all recent grants in the United States. By count, New Jersey is the top state for recipient locations, even though the headquarters are in Oro Valley, Arizona. Recent recipient cities include Frederick, Maryland; Jacksonville, Florida; Whitefish, Montana; and Tucson, Arizona. Arizona accounts for 2% of grants to recipients in the file, showing that most giving goes outside the HQ state.
Recent grants show a strong emphasis on aviation organizations, veteran-serving programs, and place-based community work. Aopa Foundation received grants in 2023, 2024, and 2025; K9s for Warriors received support for veteran service dogs and reintegration; and Whitefish Legacy Partners received multiple large grants tied to Whitefish, Montana community and conservation efforts.
The grant-size distribution is $5,000 at the 25th percentile, $25,000 at the median, and $100,000 at the 75th percentile. That means many awards are modest, but the file also includes a substantial number of six-figure grants and several very large commitments.
Yes. Aopa Foundation appears in 2023, 2024, and 2025. Whitefish Legacy Partners appears in 2023 and 2024. Downtown Ecumenical Services appears in 2024 and 2025. That pattern suggests multi-year relationships rather than isolated one-time gifts.
Giving is national, and the recipient-country distribution is entirely U.S.-based. By state count, New Jersey leads recipient locations. Named recipient cities in the file include Frederick, Jacksonville, Whitefish, and Tucson, showing a broad spread across states.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| WHITEFISH COMMUNITY FOUNDATION | WHITEFISH, MT | $1,000,000 | 2026 | SUPPORT |
| WHITEFISH COMMUNITY FOUNDATION | WHITEFISH, MT | $935,000 | 2026 | SUPPORT |
| HUNTSVILLE HOSPITAL FOUNDATION | HUNTSVILLE, AL | $500,000 | 2026 | SUPPORT |
| AOPA FOUNDATION | FREDERICK, MD | $500,000 | 2026 | SUPPORT |
| DOWNTOWN ECUMENICAL SERVICES | JACKSONVILLE, FL | $200,000 | 2026 | SUPPORT |
| RETIREMENT HOME FOR HORSES | ALACHUA, FL | $150,000 | 2026 | SUPPORT |
| LAB RETRIEVER RESCUE | LAKE MONROE, FL | $108,000 | 2026 | SUPPORT |
| ART WITH A HEART | JACKSONVILLE, FL | $100,000 | 2026 | SUPPORT |
| TMC HEALTH FOUNDATION | TUCSON, AZ | $91,000 | 2026 | SUPPORT |
| NAMI-JACKSONVILLE FLORIDA | JACKSONVILLE, FL | $75,000 | 2026 | SUPPORT |
| LIGHTBRIDGE HOSPICE COMMUNITY FOUND | SAN DIEGO, CA | $50,000 | 2026 | SUPPORT |
| DUVAL COUNTY 4H FOUNDATION | JACKSONVILLE, FL | $25,000 | 2026 | SUPPORT |
| TOWN OF ORO VALLEY | ORO VALLEY, AZ | $25,000 | 2026 | SUPPORT |
| INDIANA AREA SCHOOL DISTRICT | INDIANA, PA | $21,000 | 2026 | SUPPORT |
| JACKSONVILLE HISTORICAL SOCIETY | JACKSONVILLE, FL | $20,000 | 2026 | SUPPORT |
| BOUQUETS OF KINDNESS | JACKSONVILLE, FL | $15,000 | 2026 | SUPPORT |
| LFWMH | BLUFFTON, SC | $10,000 | 2026 | SUPPORT |
| FSU FOUNDATION | TALLAHASSEE, FL | $10,000 | 2026 | SUPPORT |
| WHITEFISH LEGACY PARTNERS | WHITEFISH, MT | $10,000 | 2026 | SUPPORT |
| RIVERSIDE ROTARY CLUB FOUNDATION | JACKSONVILLE, FL | $5,000 | 2026 | SUPPORT |
| UNIVERSITY OF FLORIDA FOUNDATION | GAINESVILLE, FL | $5,000 | 2026 | SUPPORT |
| EAA CHAPTER 288 | PORT ORANGE, FL | $5,000 | 2026 | SUPPORT |
| MS SOCIETY | JACKSONVILLE, FL | $1,250 | 2026 | SUPPORT |
| POINT PLEASANT BEACH EDUCATION FDN | POINT PLEASANT BEACH, NJ | $1,000 | 2026 | SUPPORT |
| WORLD TEAM | WARRINGTON, PA | $1,000 | 2026 | SUPPORT |
| ONE LOVE ANIMAL RESCUE | MT LAUREL, NJ | $1,000 | 2026 | SUPPORT |
| AOPA FOUNDATION | FREDERICK, MD | $500,000 | 2025 | SUPPORT |
| THE TACAMO FOUNDATION | TUTTLE, OK | $220,000 | 2025 | SUPPORT |
| DOWNTOWN ECUMENICAL SERVICES | JACKSONVILLE, FL | $200,000 | 2025 | SUPPORT |
| RETIREMENT HOME FOR HORSES | ALACHUA, FL | $150,000 | 2025 | SUPPORT |
| ART WITH A HEART | JACKSONVILLE, FL | $107,200 | 2025 | SUPPORT |
| LAB RETRIEVER RESCUE | LAKE MONROE, FL | $100,000 | 2025 | SUPPORT |
| TMC HEALTH FOUNDATION | TUCSON, AZ | $65,713 | 2025 | SUPPORT |
| NAMI-JACKSONVILLE FLORIDA | JACKSONVILLE, FL | $50,000 | 2025 | SUPPORT |
| WHITEFISH COMMUNITY FOUNDATION | WHITEFISH, MT | $50,000 | 2025 | SUPPORT |
| EAA CHAPTER 288 | PORT ORANGE, FL | $30,000 | 2025 | SUPPORT |
| JACKSONVILLE HISTORICAL SOCIETY | JACKSONVILLE, FL | $25,000 | 2025 | SUPPORT |
| INDIANA AREA SCHOOL DISTRICT | INDIANA, PA | $21,000 | 2025 | SUPPORT |
| UNIVERSITY OF FLORIDA FOUNDATION | GAINESVILLE, FL | $8,500 | 2025 | SUPPORT |
| RIVERSIDE ROTARY CLUB FOUNDATION | JACKSONVILLE, FL | $5,000 | 2025 | SUPPORT |
| PT PLEASANT BEACH PUBLIC EDUCATION | POINT PLEASANT BEACH, NJ | $1,000 | 2025 | SUPPORT |
| WHITEFISH LEGACY PARTNERS | WHITEFISH, MT | $800,000 | 2024 | SUPPORT |
| AOPA FOUNDATION | FREDERICK, MD | $500,000 | 2024 | SUPPORT |
| WHITEFISH COMMUNITY FOUNDATION | WHITEFISH, MT | $112,500 | 2024 | SUPPORT |
| LAB RETRIEVER RESCUE | LAKE MONROE, FL | $100,000 | 2024 | SUPPORT |
| NSCDA-FL | ST AUGUSTINE, FL | $100,000 | 2024 | SUPPORT |
| RETIREMENT HOME FOR HORSES | ALACHUA, FL | $100,000 | 2024 | SUPPORT |
| JASMYN | JACKSONVILLE, FL | $100,000 | 2024 | SUPPORT |
| ART WITH A HEART | JACKSONVILLE, FL | $50,000 | 2024 | SUPPORT |
| DOWNTOWN ECUMENICAL SERVICES | JACKSONVILLE, FL | $50,000 | 2024 | SUPPORT |
DOWNTOWN ECUMENICAL SERVICES
$200,000SUPPORT
RETIREMENT HOME FOR HORSES
SUPPORT
LAB RETRIEVER RESCUE
$108,000SUPPORT
NAMI-JACKSONVILLE FLORIDA
$75,000SUPPORT
LIGHTBRIDGE HOSPICE COMMUNITY FOUND
$50,000SUPPORT
DUVAL COUNTY 4H FOUNDATION
$25,000SUPPORT
TOWN OF ORO VALLEY
$25,000SUPPORT
INDIANA AREA SCHOOL DISTRICT
$21,000SUPPORT
JACKSONVILLE HISTORICAL SOCIETY
$20,000SUPPORT
BOUQUETS OF KINDNESS
$15,000SUPPORT
LFWMH
$10,000SUPPORT
RIVERSIDE ROTARY CLUB FOUNDATION
$5,000SUPPORT
EAA CHAPTER 288
$5,000SUPPORT
MS SOCIETY
$1,250SUPPORT
POINT PLEASANT BEACH EDUCATION FDN
$1,000SUPPORT
WORLD TEAM
$1,000SUPPORT
ONE LOVE ANIMAL RESCUE
$1,000SUPPORT
THE TACAMO FOUNDATION
$220,000SUPPORT
DOWNTOWN ECUMENICAL SERVICES
$200,000SUPPORT
RETIREMENT HOME FOR HORSES
$150,000SUPPORT
LAB RETRIEVER RESCUE
$100,000SUPPORT
NAMI-JACKSONVILLE FLORIDA
$50,000SUPPORT
EAA CHAPTER 288
$30,000SUPPORT
JACKSONVILLE HISTORICAL SOCIETY
$25,000SUPPORT
INDIANA AREA SCHOOL DISTRICT
$21,000SUPPORT
RIVERSIDE ROTARY CLUB FOUNDATION
$5,000SUPPORT
PT PLEASANT BEACH PUBLIC EDUCATION
$1,000SUPPORT
LAB RETRIEVER RESCUE
$100,000SUPPORT
NSCDA-FL
$100,000SUPPORT
RETIREMENT HOME FOR HORSES
$100,000SUPPORT
DOWNTOWN ECUMENICAL SERVICES
$50,000SUPPORT