| Name | Phone | Category |
| K1 Speed | 949-250-0242 | Entertainment and Arts |
| Billy Kader- Hemingway's Fine Cigars & Tobacco | 650-328-7473 | Shopping & Retail |
| Kara's Cupcakes | 415-563-2220 | Bakery |
| Keenan Land Co. | 650-614-6246 | Real Estate |
| Keller Williams Realty | 650-454-8500 | Real Estate |
| Kevin Low D.D.S. & Whitney Lorenz | 650-327-7060 | Dentists |
| Keys School | 650-328-1711 | Education |
| Alina Kish - Decorating Den Interiors | 866-421-9893 | Design |
| Kiwanis Club of Palo Alto | 650-852-0652 | Associations, Clubs & Organizations |
| Kohler Associates, Architects | 650-328-1086 | Architects |
| Konica Minolta Business Solutions U.S.A., Inc. | 650-345-2800 | Copier Sales & Service |
| Amazing Vacations by Mary Kraemer | 650-520-7688 | Travel Services |
