AMTK
| Amtrak | 1 |
BM
| Boston & Maine | 4 |
CSX
| CSX Railroad | 1 |
DODX
| Department Of Defense | 18 |
FEC
| Florida East Coast | 7 |
GEX
| General Electric Company | 1 |
KRL
| Kasgro Rail Lines | 11 |
MDTX
| Southern Region Industrial Realty Incorporated | 3 |
MEC
| Maine Central | 3 |
MPCX
| Michels Corporation | 4 |
NBSR
| New Brunswick Southern Railway Company L | 1 |
PTM
| Portland Terminal | 2 |
QTTX
| TTX Company | 12 |
RUT
| Vermont Railway Incorporated | 1 |
SIRT
| Staten Island Rapid Transit | 1 |
TBCX
| Boeing Company | 1 |