Homer and Annette Thompson Foundation

United Way of Central Florida Inc

Highland City, FL

United Way of Central Florida funds local nonprofit programs addressing early education, academic achievement, financial stability, health, hunger, basic needs, and related community needs in Polk, Highlands, and Hardee counties. Its 2025 grants ranged from $5,000 to $824,345, with a median of about $64,000. It reviews funding applications through community investment teams; the profile does not state whether it accepts unsolicited requests.

Lillian E Bunker Private Foundation

Winter Haven, FL

Givewell Community Foundation Inc

Lakeland, FL

GiveWell Community Foundation supports community needs through grants in arts, youth, education, health, social services, nonprofit capacity building, and community-clinic services, primarily in Polk, Hardee, and Highlands counties in Central Florida. Its 2025 grants ranged from $5,030 to $7,895,940, with a median of $24,499; Impact Polk offers grants up to $20,000. It accepts unsolicited requests only through designated competitive grant programs, and some opportunities are invitation-only.

Duke Energy Foundation

Charlotte, NC

The Duke Energy Foundation funds workforce development, local economic development and recovery, disaster resilience, conservation, and economic opportunity in communities across North Carolina, South Carolina, Florida, Ohio, Kentucky, and Indiana. It reports more than $30 million in annual charitable grants; awards vary widely, with a 2024 median of $25,000, and applications of $20,000 or less are accepted on a rolling basis. Applicants should contact their local Foundation representative before applying.

Winter Haven Hospital Inc

Winter Haven, FL

Winter Haven Hospital funds organizations addressing behavioral health, food insecurity, and access to health and social services, primarily in Florida. Its 2024 grants totaled $818,876 across 19 awards, ranging from $8,370 to $150,661, with a median grant of $27,778. The available information does not state whether it accepts unsolicited requests.

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.

Florida's Natural Growers Foundation Inc

Lake Wales, FL

Provide support for various local non-profit organizations whose focus is on health, education or youth. The foundation grants 100% of its contributions back to community organizations.

AdventHealth Polk North Inc

Davenport, FL

Adventist Health System Sunbelt Healthcare Corporation and all its subsidiary organizations were established by the Seventh-Day Adventist Church to bring a ministry of healing and health to the communities served. Our mission is to extend the healing ministry of Christ.The hospital and healthcare system whose parent is Adventist Health System Sunbelt Healthcare Corporation is known as AdventHealth. AdventHealth seeks to be widely respected as a consumer-focused organization that engages individuals in their health by delivering wholistic, best practice care across a connected, comprehensive continuum of services. With Christ as our example, AdventHealth cares for and nurtures people: our employees, our communities, our healthcare professionals, and those who trust us for care and healing.

Epic Affect Inc

Mulberry, FL

EPIC AFFECT INC supports disaster relief, education, family support, behavioral health, and youth activities, with most 2024 funding going to Florida and smaller amounts to Arkansas and Georgia. Its 15 grants ranged from $100 to $225,467, with a median of $1,350; the filing says applicants should contact the company directly and does not list a deadline.

Harrell Family Charities Inc

Lakeland, FL

Harrell Family Charities funded education, community services, health, and religious activities, with 98% of its 2021 grant dollars going to Florida organizations. Grants ranged from $2,500 to $3,025,000, with a median of $25,000; it funded only preselected organizations and did not accept unsolicited requests. Its 2021 filing was marked as its final return.

Gannett Foundation Inc

New York, NY

Gannett Foundation’s 2025 grants supported a range of organizations, with listed awards generally between $1,500 and $2,500, though the available figures do not establish a typical grant size or geographic focus. The foundation has wound down: its 2026 filing reports no grants or assets, and no current application process or acceptance of unsolicited requests is stated.

Aetna Foundation Inc

Hartford, CT

Aetna Foundation supported health and wellness, access to health care, and related community needs; its 2021 grants ranged from $5,000 to $1 million, with a median of $40,000, and went to organizations across multiple states, especially in D.C. and Connecticut. Its 2021 filing was marked final, so it appears to have ended or be winding down grantmaking; that filing said there were no restrictions on who could apply and pointed applicants to its website for application materials.