The Rig III Family Foundation
Invitation OnlyWilloughby Hills, Ohio · EIN 31-1679716 · Private foundation
Grants paid (2025)$337K
Organizations funded28
Typical grant$8,500
Total assets$9.6M
Half of its grants to organizations were between $3,000 and $20,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
32% of grants went outside Ohio.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Boca Grande Health Clinic | Boca Grande, FL | general fund | $35,000 |
| Fieldstone Farm Therapeutic Riding Ctr | Chagrin Falls, OH | General fund | $31,000 |
| Hershey Montessori School | Concord Twp, OH | General fund | $30,000 |
| Karen Wellington Fdn | Cleveland, OH | General fund | $25,000 |
| Natural History Museum | Cleveland, OH | General fund | $25,000 |
| Winous Point Marsh Conservancy | Port Clinton, OH | General fund | $25,000 |
| Village of Gates Mills | Gates Mills, OH | Annual fund | $25,000 |
| Friends of Boca Grand Community Ctr | Boca Grande, FL | General fund | $20,000 |
| Hopewell Inn | Mesopotamia, OH | general fund | $15,000 |
| Hathaway Brown School | Shaker Heights, OH | General fund | $12,500 |
| Boca Grande Charities | Boca Grande, FL | General fund | $10,000 |
| Boca Grande Womens Club | Boca Grande, FL | General fund | $10,000 |
| Gasparilla Island Conservancy | Boca Grande, FL | General fund | $10,000 |
| University School | Moreland Hills, OH | General fund | $10,000 |
| Waite Hill Village Foundation | Waite Hill, OH | General fund | $8,500 |
| Gilmour Academy | Gates Mills, OH | General fund | $6,500 |
| Mount Holyoke | South Hadley, MA | General fund | $6,500 |
| Rainbow Babies & Childrens Hospital | Cleveland, OH | general fund | $5,000 |
| St Huberts Episcopal Church | Kirtland, OH | General fund | $5,000 |
| K9 Heroes 4 Heroes | Painesville, OH | General fund | $5,000 |
| Hospice of Western Reserve | Cleveland, OH | general fund | $3,000 |
| Waite Hill Village Fd | Waite Hill, OH | Generalv fund | $3,000 |
| Boca Grande Historical Society | Boca Grande, FL | General fund | $2,500 |
| Johann Fust Library Fdn | Boca Grande, FL | General fund | $2,500 |
| Alzheimers Assocation | Independence, OH | General fund | $2,000 |
| Hawken School | Gates Mills, OH | General fund | $2,000 |
| Holden Forest & Gardens | Kirtland, OH | annual fund | $1,000 |
| St Andrew Episcopal Church | Boca Grande, FL | General fund | $1,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $337,000 | 28 |
| 2024 | $296,500 | 28 |
| 2023 | $236,000 | 23 |
Sources
- IRS Form 990-PF, tax year 2025, filed Apr 29, 2026 - IRS e-file batch, object ID 202601199349101265
- IRS Tax Exempt Organization Search for EIN 31-1679716
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.