| Lilly Endowment Inc | | Indianapolis, IN | Local | 3 | 2024 | $2,075,000 |
| Maryland Grain Producers Utilization Board Inc | | Chester, MD | National | 8 | 2024 | $1,062,500 |
| Sherman Family Foundation | | Baltimore, MD | Local | 2 | 2024 | $565,000 |
| Maryland Association of Soil Conservation Districts Inc | | Greenwood, DE | Local | 8 | 2024 | $152,075 |
| Leo V Berger Foundation | | Baltimore, MD | Local | 5 | 2024 | $130,000 |
| Greater Washington Educational Telecommunications Association Inc | | Arlington, VA | National | 3 | 2024 | $129,250 |
| Annie E Casey Foundation | | Baltimore, MD | National | 2 | 2024 | $110,120 |
| Delaplaine Foundation Inc | | Frederick, MD | Local | 5 | 2024 | $105,000 |
| The Keith Campbell Foundation for the Environment Inc | | Bethesda, MD | National | 6 | 2024 | $60,000 |
| Howard P Colhoun Fam Foundation Inc | | Glyndon, MD | National | 6 | 2024 | $49,000 |
| James S and Gail P Riepe Charitable Foundation | | Wilmington, DE | National | 6 | 2024 | $32,500 |
| Alfred P Sloan Foundation | | New York, NY | National | 1 | 2024 | $30,000 |
| Orokawa Foundation Inc | | Towson, MD | Local | 4 | 2024 | $10,000 |
| Hecht Levi Foundation Inc | | Baltimore, MD | Local | 5 | 2024 | $10,000 |
| Rackham Foundation Limited | | Leesburg, VA | Local | 5 | 2024 | $8,000 |
| Charles and Margaret Levin Family Foundation Inc | | Wheaton, MD | National | 1 | 2024 | $7,500 |
| J M Kaplan Fund Inc | | New York, NY | National | 4 | 2024 | $5,000 |
| Martin Family Charitable Foundation Inc | | Wilmington, DE | National | 6 | 2024 | $4,600 |
| Sarfaty Siegel Foundation for the Future | | Chevy Chase, MD | Local | 4 | 2024 | $4,600 |
| Lester Poretsky Family Foundation Inc | | Potomac, MD | National | 6 | 2024 | $4,400 |
| Pettit Family Charitable Foundation | | Gaithersburg, MD | Local | 2 | 2024 | $4,000 |
| The Abell Foundation Inc | | Baltimore, MD | Local | 3 | 2024 | $2,150 |
| Talbott and Ann Bond Family Foundation | | Timonium, MD | National | 3 | 2024 | $450 |
| Smiley Family Charitable Foundation | | Solon, OH | Local | 1 | 2024 | $185 |
| Nora Roberts Foundation Inc | | Glenn Dale, MD | National | 4 | 2023 | $400,000 |
| Revada Foundation | | Alexandria, VA | Local | 4 | 2023 | $60,000 |
| Frank Islam & Debbie Driesman Foundation | | Potomac, MD | Local | 1 | 2023 | $20,000 |
| Seip Family Foundation | | New York, NY | Local | 1 | 2023 | $10,000 |
| Grayce B Kerr Fund | | Easton, MD | Local | 1 | 2023 | $5,000 |
| Jerome a and Deena L Kaplan Family Foundation | | Chevy Chase, MD | National | 4 | 2023 | $4,000 |
| Driggs Foundation Inc | | | National | 2 | 2023 | $2,700 |
| Jacob and Hilda Blaustein Foundation Inc | | Baltimore, MD | National | 3 | 2023 | $1,300 |
| Weglicki Family Foundation | | Baltimore, MD | Local | 1 | 2023 | $1,000 |
| France-Merrick Foundation Inc | | Baltimore, MD | Local | 1 | 2023 | $250 |
| Constance and Brooks Robinson Charitable Foundation Inc | | Lagrange, GA | National | 3 | 2022 | $30,000 |
| E Rhodes and Leona B Carpenter Foundation | | Wayne, PA | National | 2 | 2022 | $30,000 |
| Baker Merine Family Foundation Inc | | Bethesda, MD | National | 3 | 2022 | $1,950 |
| Footlick Family Foundation Inc | | Pikesville, MD | Local | 1 | 2022 | $250 |
| Ausherman Family Foundation Inc | | Frederick, MD | Local | 1 | 2022 | $60 |
| The Chabraja Family Foundation Inc | | Naples, FL | Local | 3 | 2021 | $75,000 |
| Maryland Nursery and Landscape Association Inc | | Brooklandvl, MD | Local | 4 | 2021 | $60,000 |
| The Heising-Simons Foundation | | Los Altos, CA | National | 1 | 2021 | $40,000 |
| Richard J and Ellen G Bodorffcharitable Foundation Inc | | Easton, MD | Local | 2 | 2021 | $39,374 |
| Fancy Hill Foundation | | Baltimore, MD | Local | 1 | 2021 | $25,000 |
| Truist Foundation Inc | | Orlando, FL | National | 1 | 2021 | $20,000 |
| Lockhart Vaughan Foundation Inc | | Baltimore, MD | Local | 1 | 2021 | $20,000 |
| Middendorf Foundation Inc | | Baltimore, MD | Local | 1 | 2021 | $15,000 |
| O L Pathy Family Foundation Inc | | Rockville, MD | National | 2 | 2021 | $15,000 |
| T Rowe Price Foundation | | Baltimore, MD | Local | 1 | 2021 | $10,000 |
| Betty and Wes Foster Family Foundation | | Chantilly, VA | National | 1 | 2021 | $2,000 |
| Calvert & Sally Simmons Foundation | | Alexandria, VA | Local | 2 | 2021 | $750 |
| John D & Catherine T Macarthur Foundation | | Chicago, IL | National | 1 | 2021 | $360 |
| Georg & Judy Marcus Family Foundation | | Palo Alto, CA | Local | 1 | 2020 | $25,000 |
| Pearlstone Family Fund Inc | | Baltimore, MD | Local | 1 | 2020 | $6,000 |
| Memton Fund Inc | | Wilmington, DE | National | 1 | 2020 | $3,000 |
| Caplin Foundation | | Wilmington, DE | Local | 3 | 2020 | $1,000 |
| National Grange Mutual Charitable Foundation Inc | | | National | 1 | 2020 | $300 |
| Greater Baltimore Cultural Alliance | | Baltimore, MD | — | 2 | 2019 | $60,000 |
| Leo V Berger Fund | | Miami, FL | Local | 1 | 2019 | $25,000 |
| Halle Family Foundation Inc | | Upperco, MD | Local | 3 | 2019 | $1,250 |
| The Travers Family Foundation | | | National | 2 | 2019 | $100 |
| Ruth Carol Fund Inc | | Baltimore, MD | Local | 1 | 2018 | $100,000 |
| Foundation for Individual Liberty a New Jersey Nonprofit Corporation | | Philadelphia, PA | National | 1 | 2018 | $100,000 |
| The Morton K and Jane Blaustein Foundation Inc | | Baltimore, MD | National | 1 | 2018 | $100,000 |
| Baron Capital Foundation | | New York, NY | Local | 1 | 2018 | $36,000 |
| The Bert Foundation Inc | | Baltimore, MD | Local | 1 | 2018 | $32,000 |
| Baltimore Orioles Foundation Inc | | Baltimore, MD | Local | 1 | 2018 | $2,500 |
| Emily Monk Davidson Foundation Inc | | Morehead City, NC | National | 1 | 2018 | $1,000 |
| Nelson B Delavan Foundation | | Chicago, IL | Local | 1 | 2018 | $1,000 |
| Pennyghael Foundation Inc | | | — | 1 | 2018 | $1,000 |
| Posner-Wallace Foundation | | Wilmington, DE | National | 1 | 2018 | $250 |
| National Marine Sanctuary Foundation | | Silver Spring, MD | National | 1 | 2017 | $50,000 |
| Maryland Agricultural Education | | Hvre De Grace, MD | — | 1 | 2017 | $25,000 |
| The United Way of Central Maryland Inc | | Baltimore, MD | Local | 1 | 2017 | $5,286 |