1 | NPB | Norfolk and Portsmouth Belt Line R.R. Co. | 1/1975-7/2005; eliminated 7/2009 | | NAKINA |
2 | NPB | (N&PB) Norfolk and Portsmouth Belt Line R.R. Co. | 4/1970 | | NAKINA |
3 | NPB | (N&PB) Norfolk and Portsmouth Belt Line R.R. Co. | Apr-70 | | NRHS |
4 | NPB | Norfolk and Portsmouth Belt Line R.R. Co. | 1/75-7/2000 | | NRHS |
5 | NPB | NORFOLK & PORTSMOUTH BELT LINE RAILROAD | | | PWRC |
6 | NPB | Norfolk and Portsmouth Belt Line Railroad | | | RSRV |
7 | NPB | NORFOLK & PORTSMOUTH BELT LINE RAIL | | | SCAC4 |
8 | NPBS | NATIONAL PIGGYBACK SERVICES INC | | | SCAC3 |