| Sacramento Valley Railroad |
| California Southern Railroad | |
| Los Angeles and San Gabriel Railroad | |
| North Pacific Coast Railroad | |
| San Franciso and North Pacific Railroad | |
| Southern Pacific Railroad | |
| South Pacific Coast Railroad |
| Atchison, Topeka and Santa Fe Railroad | |
| Central California Traction | |
| Northern Electric Railway | |
| Northwestern Pacific Railroad | |
| Ocean Shore Railroad | |
| Petaluma & Santao Rosa Railroad | |
| San Diego & Cuyamaca Railroad | |
| San Diego Southern Railroad | |
| San Francisco, Napa & Calistoga Railroad | |
| Southern Pacific Railroad (and controlled lines) | |
| Union Pacific Railroad (and controlled lines) |
| Atchison, Topeka and Santa Fe Railroad | |
| Sacramento Northern Railroad | |
| San Francisco, Napa & Calistoga Railroad | |
| Southern Pacific Railroad (and controlled lines) | |
| Tonopah & Goldfield Railroad | |
| Union Pacific Railroad (and controlled lines) |
| Atchison, Topeka and Santa Fe Railroad | |
| Southern Pacific Railroad (and controlled lines) | |
| Union Pacific Railroad (and controlled lines) |
| Amtrak | |
| Bay Area Rapid Transit | |
| San Diego Metropolitan Transit System | |
| Southern Pacific Railroad |
| Altamont Commuter Express | |
| Amtrak | |
| Bay Area Rapid Transit | |
| Caltrain | |
| Los Angeles County Metropolitan Transportation Authority | |
| Sacramento Regional Transit District | |
| San Diego Metropolitan Transit System | |
| San Diego North County Transit District | |
| Santa Clara Valley Transportation Authority | |
| Southern California Regional Rail Authority |