1 | SWKR | San Pedro & Southwestern Ry. Co. | added 1/1993; 1/1994-7/2000; eliminated 4/2004 | | NAKINA |
2 | SWKR | San Pedro & Southwestern Ry. Co. | added 1/93; 1/94-7/2000 | | NRHS |
3 | SWKR | SAN PEDRO & SOUTHWESTERN RAILWAY COMPANY | | | PWRC |
4 | SWKR | San Pedro and Southwestern Railway | | | RSRV |