| Business | Phone |
| Assistance League Of San Mateo 528 N San Mateo Dr, San Mateo 94401 | (650) 344-7896 |
| Atkinson Foundation 1720 S Amphlett Blvd # 100, San Mateo 94402 | (650) 876-0222 |
| Leon A & Esther F Blum Fndtn 400 S El Camino Real # 700, San Mateo 94402 | (650) 348-0197 |
| National Audubon Society 30 W 39th Ave # 202, San Mateo 94403 | (650) 692-8138 |