| Fidelity Foundation | | Boston, MA | National | 2 | 2024 | $750,000 |
| North Carolina Gsk Foundation Inc | | Durham, NC | Local | 4 | 2024 | $409,584 |
| Barnes Family Foundation | | Durham, NC | Local | 4 | 2024 | $370,000 |
| Museum of Science | | Boston, MA | National | 8 | 2024 | $218,085 |
| E T Rollins Jr and Frances Prollins Foundation | | Chapel Hill, NC | Local | 6 | 2024 | $136,240 |
| Fox Family Foundation Inc | | Durham, NC | Local | 5 | 2024 | $120,500 |
| F M Kirby Foundation Inc | | Morristown, NJ | National | 4 | 2024 | $110,000 |
| E a Morris Charitable Foundation | | Durham, NC | Local | 5 | 2024 | $80,000 |
| Association of Science-Technology Centers Incorporated | | Washington, DC | National | 2 | 2024 | $71,645 |
| The Burts Bees Greater Good Foundation | | Wilmington, DE | Local | 4 | 2024 | $50,500 |
| The C M Herndon Foundation | | Durham, NC | Local | 5 | 2024 | $50,000 |
| Hagen Family Foundation | | Boca Raton, FL | Local | 2 | 2024 | $35,000 |
| Silverback Foundation Inc | | Durham, NC | Local | 6 | 2024 | $30,000 |
| Bertsch Family Charitable Foundation Inc | | Chapel Hill, NC | Local | 5 | 2024 | $30,000 |
| Raymond J and Mary C Reisert Foundation Inc | | New York, NY | National | 2 | 2024 | $20,000 |
| Environmental Defense Fund Incorporated | | New York, NY | National | 1 | 2024 | $15,971 |
| Mcadams Foundation | | Reston, VA | National | 7 | 2024 | $13,500 |
| Durham Merchants Association Charitable Foundation Inc | | Durham, NC | Local | 3 | 2024 | $11,000 |
| Publix Super Markets Charities Inc | | Lakeland, FL | Local | 2 | 2024 | $10,000 |
| A J Fletcher Foundation | | Raleigh, NC | Local | 1 | 2024 | $10,000 |
| Hillsdale Fund Inc | | Greensboro, NC | National | 3 | 2023 | $40,000 |
| Corning Incorporated Foundation | | | Local | 6 | 2023 | $34,000 |
| Dominion Energy Charitable Foundation | | Richmond, VA | Local | 1 | 2023 | $5,000 |
| Duke University | | Durham, NC | Local | 1 | 2023 | $5,000 |
| Hagan Family Fund | | Greensboro, NC | Local | 2 | 2023 | $1,000 |
| Jandy Ammons Foundation Inc | | Raleigh, NC | Local | 3 | 2022 | $161,500 |
| American Association of Zoological Parks and Aquariums Inc | | Silver Spring, MD | National | 1 | 2022 | $75,322 |
| Merck Company Foundation | | Rahway, NJ | National | 2 | 2022 | $50,000 |
| Arizona Science Center | | Phoenix, AZ | Local | 2 | 2022 | $32,035 |
| The Graymer Foundation C/O Stacy Golding | | | National | 2 | 2022 | $20,000 |
| Macauley and Helen Dow Whiting Foundation | | Vero Beach, FL | Local | 3 | 2022 | $12,000 |
| Iris B & Carl B Apfel Charitable Trust | | Palm Bch Gdns, FL | Local | 1 | 2022 | $3,000 |
| Noel Foundation | | Wilmington, DE | Local | 1 | 2022 | $2,000 |
| William Bingham Foundation | | Cleveland, OH | Local | 1 | 2021 | $50,000 |
| Thomas S Kenan III Foundation Inc | | Chapel Hill, NC | Local | 1 | 2021 | $1,500 |
| Manning Family Foundation | | Charlottesvle, VA | National | 1 | 2021 | $1,000 |
| Truist Foundation Inc | | Orlando, FL | National | 1 | 2020 | $35,000 |
| Cannon Foundation Inc | | Concord, NC | Local | 1 | 2020 | $30,000 |
| North Carolina Grassroots Science Museums Collaborative | | Hendersonvlle, NC | — | 1 | 2020 | $11,524 |
| M R Metzger Family Foundation Inc | | Setauket, NY | National | 4 | 2020 | $10,500 |
| Dowd Foundation Inc | | Charlotte, NC | Local | 1 | 2020 | $500 |
| Snyder Watchorn Foundation Inc | | Hillsborough, NC | Local | 1 | 2019 | $500 |
| Knott Family Foundation Inc | | Durham, NC | Local | 1 | 2019 | $100 |
| Bin Charitable Foundation Sarah Fish | | | — | 2 | 2018 | $20,000 |
| Lilly Endowment Inc | | Indianapolis, IN | Local | 1 | 2018 | $900 |