| 1 | OCTR | Morristown & Erie Ry., Inc., d/b/a Octoraro R.R. | eliminated 4/2007 | | NAKINA |
| 2 | OCTR | Morristown & Erie Ry., Inc., d/b/a Ontario R.R. | added 10/2003; 7/2005 | | NAKINA |
| 3 | OCTR | Octoraro Ry., Inc. | added 10/1978; 1/1980, eliminated 10/1985; 1/1994; eliminated 10/1994; 7/2000 | | NAKINA |
| 4 | OCTR | Octoraro Ry., Inc. | added 10/78; 1/80-1/94; eliminated 10/94; 7/2000 | | NRHS |
| 5 | OCTR | MORRISTOWN & ERIE RWY. CO. d/b/a OCTORARO RAILROAD | | | PWRC |
| 6 | OCTR | Octoraro Railway | | | RSRV |
| 7 | OCTR | OCTORARO RAILWAY INC | | | SCAC3 |
| 8 | OCTR | OCTORARO RAILROAD INC | | | SCAC4 |
| 9 | OCTR | OC Transpo | City: Ottawa | CDN | TRAFFIC |
