| Name | Phone | Category |
| Reach Fitness Club | 650-327-3224 | Fitness |
| Red Cottage Inn & Suites | 650-326-9010 | Hotels & Motels |
| Redmond Accounting Inc. | 650-385-8046 | Accounting |
| Terry Rice, Agent, Alain Pinel Realtors | 650-207-4142 | Real Estate |
| Rich Kelley | 650-323-8491 | Real Estate |
| Ridgewood Capital | 650-614-9030 | Venture Capital |
| Rinne & Peterson | 650-428-2860 | Engineering |
| Debra D Rojas-Licensed Marriage and Family Therapist | 650- 561-3764 | Therapist |
| Rojoz Gourmet Wraps | 650-324-9727 | Restaurants, Cafes & Catering |
| Ronald McDonald House at Stanford | 650-470-6005 | Community & Human Services |
| Ropes & Gray LLP | 650-617-4000 | Attorneys |
| Rosewood Sand Hill | 650-561-1500 | Spas |
| Rotary Club of Palo Alto | | Associations, Clubs & Organizations |
| Roxy Rapp & Co. | 650-324-1529 | Real Estate |
| Royse Law Firm, PC | 650-813-9700 | Attorneys |
