The Cluthe and William B Oliver

Enterprise Holdings Foundation

Saint Louis, MO

Enterprise Holdings Foundation supports nonprofits in health, education, arts, disaster relief, reforestation, hunger relief, and community equity, with an emphasis on organizations actively supported by Enterprise employees and their families. Its reported grants range widely: 2024 giving averaged about $7,700 across 9,499 grants, while the foundation also offers awards of up to $40,000; it supports communities where Enterprise operates worldwide. Unsolicited requests are accepted at any time, but eligible applications must be submitted by an Enterprise team member or their spouse or domestic partner on behalf of a nonprofit they actively support.

TC Energy Foundation

Houston, TX

The TC Energy Foundation supported charities in safety, education, the environment, and resilient communities, but it ceased grantmaking after distributing its assets in 2023. Its 2023 grants totaled $1.29 million across seven recipients, with no typical grant size established; it states that it funds only preselected organizations and does not accept unsolicited requests.

The Makana Aloha Foundation

Kailua, HI

The Makana Aloha Foundation supports secular nonprofits in education, health, human services, arts, animal welfare, and environmental conservation, with a focus on Maui and grants going to Hawai‘i organizations. Its 2025 grants ranged from $2,000 to $40,000, with a median of $10,000. It accepts requests through its grant application form; applicants are directed to contact Jami Lynn Burks.

McKesson Foundation Inc

Dallas, TX

McKesson Foundation supports healthcare access across the U.S. and Canada, focusing on cancer, healthcare workforce training, and emergency response, especially for vulnerable communities; local priorities include Atlanta, Columbus, Dallas-Fort Worth, Houston, Memphis, Montreal, Richmond, and Toronto. Its 2025 grants ranged from $10,000 to $2.47 million, with a median of $100,000. Its filing says it does not accept unsolicited requests, while its current website describes online applications: up to $25,000 year-round and larger requests from February 1 through April 30.

The Methodist Hospital

Houston, TX

Houston Methodist funds access to primary and mental health care for uninsured and underinsured people, along with programs addressing health barriers such as housing, food access, transportation, education, and job training in eight Greater Houston-area counties. Its 2024 grants ranged from $6,000 to $914,151, with a median of $40,000. Some opportunities are invitation-only, while others accept letters of intent or sponsorship requests; the profile does not state that unsolicited requests are accepted generally.

Knight Family Foundation Formerly

Houston, TX

The Houston-based foundation supports efforts to improve children’s quality of life and social conditions, including education, child development, health care, community programs, and conservation. It typically awards about $1,000–$25,000, with a median grant of $5,000, primarily in Louisiana and Texas. It accepts written requests with supporting materials and does not limit giving to preselected organizations.

LPL Financial Foundation Inc

Boston, MA

MD Anderson Foundation

Houston, TX

The MD Anderson Foundation funds tax-exempt organizations working in health and medicine, education, arts and culture, and improving the lives of underserved people, primarily in Houston and Harris County, Texas. In 2024, grants ranged from $7,500 to $360,000, with a median of $50,000. It accepts written applications from tax-exempt organizations; no deadline is stated.

Kinder Foundation

Houston, TX

Kinder Foundation funds transformational projects in urban green space, education, and quality of life, primarily in Greater Houston, though it also supports work elsewhere. Its 2024 grants ranged from $1,000 to about $15.8 million, with a median of about $75,000. It does not accept unsolicited requests and funds only pre-selected organizations.

The Brown Foundation Inc

Houston, TX

The Brown Foundation funds education, arts and culture, healthcare, human services, and civic assets, with education and the arts as top priorities and public education giving focused almost exclusively on greater Houston. Its 2025 grants ranged from $20,000 to $11 million, with a median of $50,000; it primarily supports Houston organizations and selectively funds distinctive opportunities elsewhere in Texas and beyond.

Altres Foundation

Honolulu, HI

Vivian L Smith Foundation

Houston, TX

The Vivian L Smith Foundation supports qualifying nonprofit organizations across charitable fields, including education, health care, youth services, and family support; it does not fund individuals. Its 2025 grants ranged from $1,000 to $100,000, with a median of $20,000, and nearly all grant dollars went to Texas, though it reports no geographic restrictions. It accepts requests without a required form; applicants must state the purpose and provide proof of qualifying status.