Rita and Frank Castagna

IBM International Foundation

Armonk, NY

The IBM International Foundation funds education and workforce programs that build 21st-century and technology job skills, including initiatives for underserved students and job seekers. Its 2024 grants ranged from $10,000 to $8.48 million, with a median of $100,000, and went to organizations across several U.S. states, especially Delaware and Massachusetts. It funds only preselected organizations and does not accept unsolicited requests.

WC and JC O'Neil Charitable Tr

Wilmington, DE

In 2025, the foundation gave $385,186 in general support through one grant to a recipient in Delaware; its giving is limited to preselected charitable organizations. It does not accept unsolicited requests.

The Sandra and Howard Tytel Family

Mill Neck, NY

Long Island Real Estate Group Inc

Melville, NY

The long island real estate group unites real estate developers, owners, and allied trades to proactively enhance and maintain the quality of the real estate industry. We foster camaraderie, encourage fellowship, advance the economic interests of our members, and provide voluntary and mutual assistance, ensuring a strong and collaborative professional community.

James P & Ruth C Gillroy

White Plains, NY

The Bahnik Foundation Inc

Oyster Bay, NY

The Bahnik Foundation supports schools, health and research organizations, community groups, and other charities, with nearly all funding going to New York. Its 2026 grants ranged from $500 to $1.29 million, with a median of $5,000. It funds only preselected organizations and does not accept unsolicited requests.

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.

Robert David Lion Gardiner

Riverhead, NY

The foundation funds nonprofit projects preserving and sharing Long Island history, including collections care, exhibitions, education, public programs, and historic restoration, with particular emphasis on Islip and Suffolk County. Its 2025 grants ranged from $1,152 to $500,000, with a median of $10,000. It requires applicants to contact the office before applying; unsolicited applications without prior discussion and site visits are not considered.

William Randolph Hearst Foundation

New York, NY

The William Randolph Hearst Foundation funds established U.S. nonprofits in culture, education, health, and social services, with an emphasis on broad reach, strong results, and sustainable programs. In 2024, grants ranged from $1,000 to $2 million, with a median of $100,000. It accepts applications through its grants portal and does not restrict giving to preselected organizations.

High Five Foundation II

Woodmere, NY

The foundation supports a range of charitable organizations, including educational, Jewish community, cultural, and other groups, with most funding going to New York and New Hampshire. In 2025, it awarded 116 grants totaling $395,645; grants ranged from $75 to $62,500, with a median of $500. It funds only preselected organizations and does not accept unsolicited requests.

Mother Cabrini Health Foundation Inc

New York, NY

The foundation funds healthcare access, basic needs, workforce development, mental and behavioral health, and other projects improving the health of vulnerable people and priority populations across New York State. Its 2024 grants had a median of $200,000, with awards ranging from $100 to $4.2 million. It accepts requests through a letter-of-inquiry process, but the 2026 application period is closed.

American Chemical Society

Washington, DC

The American Chemical Society funds chemical sciences research, education, students, educators, and chemistry-related projects, with grants to organizations across the United States and, through the Petroleum Research Fund, eligible institutions abroad. Its 2024 grants ranged from $5,200 to $504,691, with a median of $31,252; specific programs offer awards from up to $3,500 to $80,000. The profile does not state whether ACS accepts unsolicited requests.