1 | M&PA | Maryland & Pennsylvania R.R. Co. | 4/1970 | | NAKINA |
2 | M&PA | Maryland & Pennsylvania R.R. (Co.) | 8/1920-10/1966 | | NAKINA |
3 | M&PA | Maryland & Pennsylvania R.R. | 4/38-10/66 | | NRHS |
4 | M&PA | Maryland & Pennsylvania R.R. Co. | Apr-70 | | NRHS |
5 | M&PA | MARYLAND & PENNSYLVANIA RAILROAD CO. | | | PWRC |