| BP | Boyle Park |
| FG | The Fountaingrove Club |
| GP | Galvin Park |
| LC | La Cantera |
| MP | Magnolia Park |
| MTC | Marin Tennis Club |
| MH | Montecito Heights |
| MTRC | Mt. Tam Racquet Club |
| NVCC | Napa Valley Country Club |
| NVTA | Napa Valley Tennis Asso |
| NOV | Novato |
| PTA | Petaluma Tennis Asso |
| PP | Piper Park |
| RR | Rafael Racquet Club |
| SIL | Silverado Country Club |
| SVTA | Sonoma Valley Tennis Asso |
| SHT | St. Helena Tennis |
| TPC | Tiburon Penninsula Club |
| WIK | Wikiup |