 | AKDN GP30 | Acadiana Railway | | | 1 |
 | ARZC GP30 | Arizona and California Railroad | | | 1 |
 | ATSF GP30 | Atchison, Topeka and Santa Fe Railway | | | 2 |
 | B&O GP30 | Baltimore and Ohio Railroad | | | 1 |
 | BN GP30 | Burlington Northern | | | 12 |
 | BNSF GP30 | BNSF Railway | | | 1 |
 | CR GP30 | Conrail: Consolidated Rail Corporation | | | 1 |
 | DRGW GP30 | Denver & Rio Grande Western Railroad | | | 3 |
 | GM&O GP30 | Gulf Mobile & Ohio | | | 1 |
 | ICG GP30 | Illinois Central Gulf | | | 1 |
 | IN GP30 | Indiana Northeastern Railroad | | | 1 |
 | MILW GP30 | Chicago, Milwaukee, St. Paul and Pacific Railroad | | | 1 |
 | NW GP30 | Norfolk and Western Railway | | | 2 |
 | RCRY GP30 | Raritan Central Railroad | | | 1 |
 | SCOX GP30 | Scoular Company | | | 1 |
 | SOU GP30 | Southern Railway | | | 1 |
 | SPSR GP30 | San Pedro and Southwestern Railroad | | | 1 |
 | TPW GP30 | Toledo, Peoria and Western Railway | | | 1 |
 | UP GP30 | Union Pacific Railroad | | | 5 |
 | UP GP30B | Union Pacific Railroad | | | 1 |
 | WLR GP30 | Waterloo Railroad | | | 1 |