| Name | Phone | Category |
| Michael Hall, Alain Pinel Realtors | 650-465-1651 | |
| Hallmark Personnel | 650-320-9698 | Staffing Services |
| The Hamilton Homeowners Association | 650-463-1400 | Retirement Communities |
| HammerAuto.com, Inc. | 650-210-1800 | Automotive |
| Hanna & Van Atta, Attorneys at Law | 650-321-5700 | Attorneys |
| Harold Justman, ESQ. Real State Consulting | 650-464-2638 | Real Estate |
| Harrell Remodeling | 650-230-2900 | |
| Harvey P. Boyarsky , DMD | 650-327-3172 | Health Services |
| Help Me Social | 650-906-1977 | Soical Media Management |
| Hengehold Trucks- Sales & Rentals | 650-494-2444 | Automotive |
| Hewlett-Packard Company | 650.857.2855 | Leaders Circle |
| Hobee's - Corporate Office | 650-493-7823 | Restaurants, Cafes & Catering |
| Holistic Physical Therapy | 650-321-0212 | Health Services |
| Home Care Assistance | 650-462-6900 | Health Services |
| Hoover Associates | 650-327-7400 | Architects |
| Hopkins & Carley, A Law Corporation | 650-804-7600 | Attorneys |
| Hotel Keen | 650-327-2775 | Hotels & Motels |
| Humberto Barrios - Chris Donatelli Builders Inc. | 408-287-4886 | Building |
| Huntington Learning Center | 650-812-0571 | Education |
