ADCX
| Adolph Coors | 9 |
ART
| American Refrigerator Transit Company | 1 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
BN
| Burlington Northern | 2 |
CS
| Colorado & Southern | 5 |
DOT
| DOT | 1 |
DRGW
| Denver & Rio Grande Western | 18 |
FGCX
| Florida Gulf Coast Railroad Museum Incorporated | 1 |
FGEX
| Fruit Growers Express | 1 |
GARX
| General American Marks Company | 1 |
MRUX
| MRUX | 1 |
OREX
| Oregon Department of Agriculture | 1 |
PCX
| PCX | 1 |
PFE
| Pacific Fruit Express | 4 |
PREX
| Pioneer Rail Equipment | 3 |
REX
| Railway Express Agency, Inc. | 15 |
RGS
| Rio Grande Southern | 2 |
RWIX
| RWIX | 1 |
SCL
| Seaboard Coast Line | 1 |
SLC
| San Luis Central Railroad Company | 10 |
SPFE
| Union Pacific Railroad Company | 1 |
SRLX
| Southern Rail Leasing Incorporated | 6 |
UPFE
| Union Pacific Railroad Company | 1 |
URTX
| Union Refrigerator Transit Co. | 7 |