California
- California Northern Railroad Company CFNR #346
- Central California Traction Company CCT #112
- Central Oregon & Pacific Railroad, Inc. CORP #157
- Goose Lake Railway GOOS #17
- Los Angeles Junction Railway Company LAJ #428
- Modesto and Empire Traction Company M&ET #524
- Napa Valley Railroad Company NVRR #402
- Northwestern Pacific Railroad Company NWP #20
- Pacific Harbor Line PHL #600
- Quincy Railroad Company QRR #656
- Richmond Pacific Railroad Corporation RPRC #449
- Sacramento Valley Railroad SAV #679
- St. Paul & Pacific Railroad Company SPP #379
- San Diego and Imperial Valley Railroad Company SDIY #315
- San Francisco Bay Railroad Company SFB #543
- San Joaquin Valley Railroad Company SJVR #738
- Santa Cruz, Big Trees & Pacific Railway SCBG #914
- Santa Maria Valley Railroad Company SMV #741
- Sierra Northern Railway SERA #716
- Stockton Terminal & Eastern Railroad STE #739
- Trona Railway Company TRC #779
- Ventura County Railroad Company VCRR #821
- Yreka Western Railroad Company YW #873