Southern Thoracic Surgical Association

The Zachry Foundation

San Antonio, TX

The Society of Thoracic Surgeons

Chicago, IL

To improve the lives of patients with cardiothoracic diseases.

Allan Family Foundation

Wilmington, DE

The Allan Family Foundation supports a varied range of charitable work, including biomedical research education, STEM, historic preservation, health, Indigenous women’s leadership, and community services. In 2025, its 20 grants ranged from $100 to $6,000, with a median of $1,000, and went to organizations in multiple states, especially Massachusetts. It gives only to preselected organizations and does not accept unsolicited requests.

The Chantal and Tommy Bagwell Foundation

Cumming, GA

The foundation supports charitable organizations in healthcare, education and scholarships, housing, and community programs, with most funding directed to Georgia and Virginia. Its 2025 grants ranged from $2,000 to $3,711,000, with a median of $24,500. It funds only preselected organizations and does not accept unsolicited requests.

Giving Grousbeck Fazzalari

Seattle, WA

Giving Grousbeck Fazzalari supports a range of charitable work, including scholarships and youth programs, cancer research, criminal justice reform, and the arts. In 2024, grants ranged from $1,000 to $3.7 million, with a median of $50,000; funding went mainly to organizations in Massachusetts, New York, Washington, DC, and Illinois. The profile gives application instructions but does not state whether unsolicited requests are accepted.

Horejsi Charitable Foundation Inc

Salina, KS

Horejsi Charitable Foundation funds education, health and human services, youth services, and other charitable projects, with 2025 grants ranging from $1,000 to $2.5 million and a median of $5,000. Its giving is concentrated in Kansas and Arizona, with additional grants in Colorado, Virginia, and Massachusetts. It supports only preselected organizations and does not accept unsolicited requests.

American Lung Association

Chicago, IL

The American Lung Association primarily funds basic, clinical, translational, and population-health research on lung disease and lung health through designated award programs. In 2025, its 51 grants ranged from $25,000 to $825,000, with a median of about $201,000, and supported U.S.-based research institutions across multiple states. It typically does not fund grants outside its published mechanisms; applications must follow the relevant program’s process.

The Cleveland Clinic Foundation

Independence, OH

The Cleveland Clinic Foundation supports medical research, health education, patient care, community health and workforce development, primarily in Ohio. Its 2024 grants ranged from $5,125 to $28.8 million, with a median of $20,000. The profile does not state whether it accepts unsolicited requests; its Catalyst Grants and VeloSano Pilot Awards are for Cleveland Clinic caregivers.

Memorial Hermann Health System

Houston, TX

Memorial Hermann supports charitable and community programs, including health care access, chronic disease, maternal and infant health, mental health, food access, education, and economic opportunity. Its 2025 grants had a median of about $12,800, with amounts ranging from $5,001 to $18 million, and went primarily to Texas organizations, especially in Greater Houston and Southeast Texas. The profile does not state whether it accepts unsolicited requests.

The Cleveland Clinic Foundation Group Return

Independence, OH

The Cleveland Clinic Foundation funds healthcare-related work, including patient care, medical research and education, and community health initiatives; most of its grant dollars go to Ohio. Its 2024 grants ranged from $5,012 to $28.8 million, with a median of $15,950. The only application program described is for Cleveland Clinic caregivers, so the profile does not state whether it accepts unsolicited requests from outside organizations.

Edwards Lifesciences Foundation

Irvine, CA

Edwards Lifesciences Foundation funds charitable organizations improving access to care for underserved people with structural heart disease, as well as local health, education, economic opportunity, and basic-needs programs. Its 2024 grants ranged from $500 to $1,523,928, with a median of $7,500; it supports communities where Edwards employees live and work, with the largest share of recent funding going to California. It accepts requests through an annual online application cycle, usually opening in late spring.