| Name | Deductibility Code |
| Assyrian Catholic Apostolic Diocese | -- |
| Atherton Arts Foundation | -- |
| Atherton Heritage Association | -- |
| Atherton Police Activities League | -- |
| Avedis Incorporated | -- |
| Bochnowski Family Foundation | 4 |
| Butimar Productions | -- |
| Charles Livingston Family Research Association | 4 |
| Charney Family Foundation | 4 |
| China Educational Center | -- |
| Chiuchiarelli Family Foundation Inc. | 4 |
| Chu Family Foundation Inc. | 4 |
| Chuan Lyu Foundation | 4 |
| David & Heidi Welch Foundation | 4 |
| Encinal School Parent Teacher Organization | -- |
| Ferrari Family Foundation | 4 |
| Foundation for the Future | -- |
| Frank-Ratchye Family Foundation | 4 |
| Friends of the Atherton Community Library | -- |
| Garrick Family Foundation | 4 |
| Giancarlo Family Foundation | 4 |
| Goel Foundation | 4 |
| Gosh All Friday Fishhooks Foundation | 4 |
| Harvey and Geraldine Brush Foundation | 4 |
| Hawley Lexus Charitable Foundation | 4 |
| Hoag Family Foundation | 4 |
| Holbrook-Palmer Recreation Park Foundation | -- |
| International Association for Artificial Intelligence & Law Inc. | -- |
| John and Elizabeth Kerrigan Charitable Foundation | 4 |
| John and Karen Mathom Charitable Foundation | 4 |
| John and Kathleen Sweazey Foundation | -- |
| Joseph Foundation for Excellence Inc. | 4 |
| Lamond Family Foundation | 4 |
| Laurel School Parent Teacher Organization | -- |
| Law Enforcement Technology Information Exchange | -- |
| Leland & Kathleen Kaiser Charitable Foundation | 4 |
| Lloyd & Carole Carney Foundation Inc. | 4 |
| Mandena Family Foundation | 4 |
| Marini Foundation | 4 |
| Menlo Atherton High School Foundation for the Future | -- |
| Menlo College | -- |
| Menlo Park City School District Parent Teacher Organization Counci | -- |
| Menlo Park-Atherton Education Foundation | -- |
| Menlo School | -- |
| Menlo School and Menlo College | -- |
| Mentor Park Inc. | 4 |
| Mobilty Golf | -- |
| Nachtsheim Family Foundation | 4 |
| Nuru International | -- |
| Odonnell Foundation | 4 |
| Peninsula Water Polo | -- |
| Praisner Family Foundation | 4 |
| Raymond J Lane Foundation | 4 |
| Rich May Foundation | -- |
| Robert F Ford Charitable Foundation | 4 |
| Saga Foundation | 3 |
| Selavy Foundation | 4 |
| Shah Family Foundation | 4 |
| Silicon Valley Luminary Society | 4 |
| Starhill Associates Inc. | 4 |
| Stephanie and Raymond J Lane Foundation | 4 |
| Stephen and Margaret Gill Family Foundation | 4 |
| Steve and Anita Westly Foundation | 4 |
| The Arnold & Barbara Silverman Family Foundation | 4 |
| The David & Anita Keller Foundation | 4 |
| The Edward and Constance Barthold Family Foundation | 4 |
| The L W Wentz Family Foundation | 4 |
| The Touma Family Foundation | 4 |
| Ulbc Casabuilders Inc. | -- |
| Unlimited Aerobatics USA Incorporated | -- |
| Urbanek Family Foundation | 4 |
| Venverloh Family Foundation | 4 |
| Walrath Family Foundation | 4 |
| Walter & Judith Sleeth Foundation | 4 |
| Worthing Family Foundation | 4 |