| Name | Phone | Category |
| Pacific Art League of Palo Alto | 650-321-3891 | Art Galleries |
| Palantir Technologies, Inc. | 650-815-0200 | Engineering |
| Palo Alto Area Bar Association | 650-326-8322 | Non-Profit |
| Palo Alto Art Center Foundation | 650-329-2366 | Museums |
| Palo Alto Bimmer, Inc. | 650-325-3818 | Automotive |
| Palo Alto Business Park | 650-967-2000 | Real Estate |
| Palo Alto Commons | 650-494-0760 | Retirement Communities |
| Palo Alto Community Child Care | 650-493-2361 | Child Care |
| Palo Alto Community Fund | 650-690-0370 | Community & Human Services |
| Palo Alto Dental Group | 650-323-1381 | Health Services |
| Palo Alto Downtown Business and Professional Association | 650-223-4334 | Associations, Clubs & Organizations |
| Palo Alto Educators Association | | Non-Profit |
| Palo Alto Family YMCA | 650-842-7152 | Fitness |
| Palo Alto Glass | 650-494-7000 | Glass Services |
| Palo Alto Hills Golf & Country Club | 650-948-1800 | Golf Courses |
| Palo Alto Host Lions Club | 650-326-1013 | Associations, Clubs & Organizations |
| Palo Alto Housing Corporation | 650-321-9709 | Community & Human Services |
| Palo Alto Humane Society | 650-424-1901 | Non-Profit |
| Palo Alto Jazz Alliance | 650-493-6915 | Non-Profit |
| Palo Alto Laser & Skin Care | 650-565-8683 | Cosmetics |
| Palo Alto Library Foundation | 650-701-7253 | Community & Human Services |
| Palo Alto Medical Foundation | 650-691-6240 | Leaders Circle |
| Palo Alto Nursing Center | (650) 327-0511 | |
| Palo Alto Office Center | 650-322-2592 | Real Estate |
| Palo Alto Partners in Education | 650-329-3990 | Community & Human Services |
| Palo Alto Pizza Company | 650-328-1662 | Restaurants, Cafes & Catering |
| Palo Alto Place | 650-493-8577 | Cleaning Services |
| Palo Alto Plumbing, Heating & Air | 650-856-3400 | Plumbing & Heating |
| Palo Alto Prof. Firefighters Local # 1319 | 650-964-7084 | Community & Government |
| Palo Alto Recreation Foundation | 650-463-4900 | Community & Human Services |
| Palo Alto Research Center | (650) 812-4000 | Technology |
| Palo Alto Staffing Services | 650-493-0223 | Staffing Services |
| Palo Alto Unified School District | 650-329-3700 | Education |
| Palo Alto University | 650-421-4848 | Education |
| Palo Alto University Rotary Club | 650-494-0808 | Associations, Clubs & Organizations |
| Palo Alto Weekly | 650-326-8210 | Leaders Circle |
| Palo Alto Women's Club | 650-321-5821 | Associations, Clubs & Organizations |
| Paris Baguette | 650-838-0404 | Bakery |
| Park Village Apartments | 650-856-1977 | Real Estate |
| Paul's European Cobblery | 650-323-0409 | Shopping & Retail |
| Peninsula Open Space Trust (POST) | 650-854-7696 | Associations, Clubs & Organizations |
| Peninsula Optical Co. | 650-326-8415 | Health Services |
| Peninsula Storage Center | 650-968-7700 | Moving & Storage |
| Pet Food Depot | 650-852-1277 | Pet Care |
| Peter B. Diaz, CPA, Tax Consulting | 650-400-2539 | Accounting |
| Peterson Architects | 650-327-1161 | Architects |
| PGA Tour Superstore | 650- 600-5200 | Shopping & Retail |
| Piazza's Fine Foods | 650-363-7140 | Grocers & Markets |
| Pierce & Shearer LLP | 650-842-8480 | Attorneys |
| Pizza My Heart | 408-827-4096 | Restaurants, Cafes & Catering |
| Jilka Pollack | 650-206-2023 | Event Planning & Management |
| Premier Properties | 650-618-3000 | Real Estate |
| Presidio Bank | 650-321-1431 | Financial Services |
| PrimePay | 650-358-4555 | Merchant Services |
| The Prolific Oven Bakery & Coffehouse | 650-326-8485 | Restaurants, Cafes & Catering |
| Provident Credit Union | 1-800-632-4600 | Business Referral Network Members |
