| Name | Phone | Category |
| Sophie Ravel | 650-796-4732 | Real Estate |
| Reach Fitness Club | 650-327-3224 | Fitness |
| Red Cottage Inn & Suites | 650-326-9010 | Hotels & Motels |
| Regus Group | 650-617-3205 | Real Estate |
| Renault & Handley | 650-321-3040 | Real Estate |
| Rhino Network Solutions, LLC | 888-309-5314 | Computers and Electronics |
| Terry Rice, Agent, Alain Pinel Realtors | 650-207-4142 | Real Estate |
| Rich Kelley | 650-323-8491 | Real Estate |
| Rick's Ice Cream | 650-493-6553 | Restaurants, Cafes & Catering |
| Ridgewood Capital | 650-614-9030 | Venture Capital |
| Rinne & Peterson | 650-428-2860 | Engineering |
| Robert Half International Inc. | 650-329-8100 | Staffing Services |
| Robert Marinaro, New York Life Insurance Company | 650-269-5936 | Insurance Services |
| Roche Palo Alto LLC | 650-855-5026 | Leaders Circle |
| Rojoz Gourmet Wraps | 650-853-8360 | Restaurants, Cafes & Catering |
| Roller, Hapgood and Tinney | 650-328-1360 | Funeral Homes |
| Ronald McDonald House at Stanford | 650-470-6000 | Community & Human Services |
| Ropes & Gray LLP | 650-617-4000 | Attorneys |
| Rosewood Sand Hill | 650-561-1500 | Hotels & Motels |
| Roskoph Associates P.C. | 650-470-5300 | Attorneys |
| Anthony Ross | 650-424-1100 | |
| Round Table Pizza - Midtown | 650-322-5914 | Restaurants, Cafes & Catering |
| Roxy Rapp & Co. | 650-324-1529 | Real Estate |
| Rutan & Tucker, LLP | 650-320-1500 | Attorneys |
