| Name | Deductibility Code |
| African Library Project | -- |
| Alpine Fc | -- |
| Anastasia Charitable Foundation | 4 |
| Blue Oak Foundation | 4 |
| Bonnie and Marty Tenenbaum Foundation | 4 |
| Cb Wellness Foundation | 3 |
| Cholesterol Genetics and Heart Disease Institute | -- |
| Christ Church Parish Endowment Trust | -- |
| Citizens for Emergency Response and Preparedness Program Inc. | -- |
| Commonweal Institute Inc. | -- |
| Corvinus Hungarian Cultural Group | -- |
| David and Annette Jorgensen | 4 |
| Edwards Family Foundation | 4 |
| Elkind Family Foundation | 4 |
| Etf Belgrade Alumni and Friends Association | -- |
| Fat Tire Foundation | 4 |
| Floyd Family Foundation | 4 |
| Friends of Christs Hospital | -- |
| Friends of the Academy of St. Martin in the Fields | -- |
| Friends of the Library of Portola Valley Inc. | -- |
| Gruter Institute for Law and Behavioral Research | 4 |
| Howard and Betty White Foundation | 4 |
| Institute for the Advancement of Human Behavior | -- |
| James V and June P Diller Family Foundation | 4 |
| Joan and Lewis Platt Foundation | 4 |
| Kabcenell Family Foundation | 4 |
| Leslie Family Foundation | 4 |
| Leslie Poole Foundation | 4 |
| Lexia Institute of Computer Applications for Learning Disabled | -- |
| Manhattan Playhouse | -- |
| Menlo Park Lyceum Inc. | -- |
| Peninsula Youth Sailing Foundation | -- |
| Portola Valley Parent Teacher Oranization | -- |
| Portola Valley Theatre Conservatory Inc. | -- |
| Rossi Family Foundation | 4 |
| Shaler Adams Foundation | 4 |
| Sports Challenge | -- |
| Summa Peto Foundation | 4 |
| The James & Mary Southam Foundation | 4 |
| Tosa Foundation | 4 |
| Walter P and Doris K Smith Family Foundation | 4 |
| Wexler-Beron Fam Foundation Charitable Tr 061796 | 4 |
| Windmill School Inc. | -- |
| Woodland School | -- |