| The Robin B Martin Family Foundation | | New York, NY | Local | 5 | 2024 | $1,030,000 |
| Morris and Gwendolyn Cafritz Foundation | | Washington, DC | Local | 5 | 2024 | $570,000 |
| The Morningstar Philanthropic Foundation | | Bethesda, MD | National | 5 | 2024 | $205,000 |
| Harman Family Foundation | | Los Angeles, CA | Local | 5 | 2024 | $162,500 |
| Business Roundtable Inc | | Washington, DC | Local | 6 | 2024 | $82,920 |
| United States Telecom Association | | Washington, DC | Local | 6 | 2024 | $76,300 |
| Hattie M Strong Foundation | | Springfield, VA | National | 3 | 2024 | $75,000 |
| Congressional Sports for Charity | | Alexandria, VA | Local | 3 | 2024 | $75,000 |
| Nuclear Energy Institute Inc | | Washington, DC | Local | 7 | 2024 | $70,000 |
| Richard E and Nancy P Marriott Foundation Inc | | Bethesda, MD | Local | 1 | 2024 | $60,000 |
| Rosalie J and C Daniel Maldari Family Charitable Foundation | | New York, NY | Local | 2 | 2024 | $55,000 |
| Lumina Foundation for Education Inc | | Indianapolis, IN | National | 6 | 2024 | $52,500 |
| Walter a Bloedorn Foundation | | Washington, DC | Local | 5 | 2024 | $50,000 |
| Kristina and William Catto Foundation Inc | | Bethesda, MD | Local | 5 | 2024 | $42,500 |
| Lainoff Family Foundation Inc | | New York, NY | National | 3 | 2024 | $30,000 |
| Pharmaceutical Research and Manufacturers of America | | Washington, DC | Local | 2 | 2024 | $30,000 |
| Venable Baetjer and Howard Foundation | | Baltimore, MD | National | 3 | 2024 | $30,000 |
| Truist Foundation Inc | | Orlando, FL | National | 1 | 2024 | $20,000 |
| Nord Family Foundation | | Amherst, OH | Local | 3 | 2024 | $4,500 |
| Rosenfeld Rumford Steckler Family Foundation Inc | | Chevy Chase, MD | Local | 7 | 2024 | $3,500 |
| Human-I-T | | Bell, CA | National | 1 | 2024 | — |
| William S Abell Foundation Inc | | Chevy Chase, MD | Local | 1 | 2023 | $150,000 |
| Rsm US Foundation | | Davenport, IA | National | 4 | 2023 | $119,856 |
| Edison Electric Institute | | Washington, DC | Local | 5 | 2023 | $80,240 |
| Association of American Medical Colleges | | Washington, DC | Local | 4 | 2023 | $69,000 |
| Lucas Kaempfer Foundation Inc | | Mclean, VA | Local | 2 | 2023 | $40,000 |
| Bookey Family Foundation | | Des Moines, IA | Local | 2 | 2023 | $30,620 |
| Rapoport Family Foundation | | Valatie, NY | Local | 2 | 2023 | $30,000 |
| Mcn Build Foundation Inc | | Washington, DC | Local | 1 | 2023 | $10,000 |
| American Association of University Women Inc | | Washington, DC | National | 1 | 2023 | $10,000 |
| Nurmi Family Foundation | | Bethesda, MD | National | 1 | 2023 | $10,000 |
| Law Rocks Inc | | El Segundo, CA | National | 1 | 2023 | $7,236 |
| Porter Family Charitable Foundation Inc | | Washington, DC | National | 1 | 2023 | $2,500 |
| The Garchik Family Foundation | | Bethesda, MD | Local | 1 | 2023 | $2,500 |
| Rockefeller Foundation | | New York, NY | Local | 2 | 2023 | $2,400 |
| Cityschools Collaborative | | Washington, DC | Local | 2 | 2022 | $220,000 |
| William J & Dorothy K Oneill Foundation Inc | | Cleveland, OH | National | 3 | 2022 | $96,000 |
| Akerson Family Foundation | | Mclean, VA | Local | 3 | 2022 | $95,000 |
| Berkshire Hathaway Energy Foundation | | Des Moines, IA | — | 3 | 2022 | $45,000 |
| C Herbert Marshall Fund B | | Pittsburgh, PA | Local | 3 | 2022 | $26,161 |
| Gibson Dunn & Crutcher Foundation | | Los Angeles, CA | National | 2 | 2022 | $20,000 |
| Charleys Kids Foundation | | Columbus, OH | National | 2 | 2022 | $15,275 |
| Carol and Gene Ludwig Family Foundation | | Washington, DC | National | 1 | 2022 | $5,000 |
| Points of Light Foundation | | Atlanta, GA | National | 1 | 2021 | $300,000 |
| World Bank Community Connections Fund | | Washington, DC | Local | 2 | 2021 | $109,602 |
| Jack R Anderson Foundation Inc | | Annapolis, MD | Local | 3 | 2021 | $50,000 |
| Nora Roberts Foundation Inc | | Glenn Dale, MD | National | 3 | 2021 | $15,000 |
| The Washington Commanders Charitable Foundation Inc | | Ashburn, VA | National | 1 | 2021 | $15,000 |
| The Dorothy G Bender Foundation Inc | | Wilmington, DE | Local | 5 | 2021 | $11,500 |
| Robert Jensen Dau Foundation | | Lake Forest, IL | Local | 1 | 2021 | $5,000 |
| Blackstone Charitable Foundation | | New York, NY | National | 2 | 2021 | $5,000 |
| Papadopoulos Family Foundation | | Phoenix, AZ | Local | 1 | 2021 | $5,000 |
| C F Holdship Charitable Trust | | Pittsburgh, PA | Local | 1 | 2021 | $4,450 |
| Cyrus Katzen Foundation Inc | | Baileys Xrds, VA | Local | 1 | 2021 | $2,500 |
| May Foundation Trust | | Penn Laird, VA | Local | 2 | 2021 | $1,750 |
| Ganzi Family Foundation | | New York, NY | Local | 1 | 2021 | $1,500 |
| Davidson Foundation for Music Dance and Dramatic Arts | | Los Angeles, CA | National | 2 | 2021 | $200 |
| United Way of the National Capital Area | | Vienna, VA | Local | 3 | 2020 | $140,274 |
| Washington Nationals Philanthropies | | Washington, DC | Local | 2 | 2020 | $30,000 |
| Joy in Childhood Foundation Inc | | Canton, MA | National | 1 | 2020 | $25,000 |
| Charity Bridge Fund | | Weston, CT | National | 1 | 2020 | $16,896 |
| The Joseph E & Marjorie B Jones Foundation | | Annapolis, MD | National | 1 | 2020 | $10,000 |
| The Toy Foundation Inc | | New York, NY | National | 1 | 2020 | $10,000 |
| Nuclear Power Labor Management Cooperation Committee Trust | | Washington, DC | Local | 1 | 2020 | $5,000 |
| Mccance Foundation Tr | | Boston, MA | National | 1 | 2020 | $1,000 |
| Neilom Foundation Inc | | Bethesda, MD | Local | 1 | 2020 | $500 |
| Eckert Seamans Charitable Foundation | | Pittsburgh, PA | Local | 1 | 2020 | $400 |
| US Travel Association | | Washington, DC | National | 2 | 2019 | $30,000 |
| Enterprise Holdings Foundation | | Saint Louis, MO | National | 1 | 2019 | $12,000 |
| Ohrstrom Foundation Inc C/O Pkf O'connor Davies LLP | | | — | 1 | 2019 | $10,000 |
| Annette M and Theodore N Lerner Family Foundation Inc | | Rockville, MD | Local | 1 | 2019 | $7,500 |
| Jsrm Foundation 855E2000 | | Pennington, NJ | National | 2 | 2019 | $2,000 |
| Bgr Foundation Inc | | Washington, DC | National | 1 | 2019 | $1,000 |
| Anthony Family Foundation | | Dallas, TX | Local | 1 | 2019 | $500 |
| Gates Foundation | | Seattle, WA | National | 2 | 2018 | $26,850 |
| United Charitable | | Ashburn, VA | National | 1 | 2018 | $20,000 |
| The Toy Association Inc | | New York, NY | Local | 1 | 2018 | $10,000 |
| Helping Children Grow Inc | | | — | 1 | 2018 | $10,000 |