| 1 | SCYX | Farmers Cooperative Association of York, Nebraska | added 4/1981; eliminated 7/1988 | | NAKINA |
| 2 | SCYX | U.S. Rail Services, Inc. | added 7/1988; 1/1994; eliminated 4/1994 | | NAKINA |
| 3 | SCYX | USL Capital Rail Services | added 4/1994; eliminated 10/1996 | | NAKINA |
| 4 | SCYX | First Union Rail | added 10/1996; 7/2000-7/2005 | | NAKINA |
| 5 | SCYX | Farmers Cooperative Association of York, Nebraska | added 4/81; eliminated 7/88 | | NRHS |
| 6 | SCYX | U.S. Rail Services, Inc. | added 7/88; 1/94; eliminated 4/94 | | NRHS |
| 7 | SCYX | USL Capital Rail Services | added 4/94; eliminated 10/96 | | NRHS |
| 8 | SCYX | First Union Rail | added 10/96; 7/2000 | | NRHS |
| 9 | SCYX | *FARMERS COOPERATIVE ASSOCIATION OF YORK, NEBRASKA | | | PWRC |
| 10 | SCYX | +FIRST UNION RAIL [(RUSX) USL CAPITAL RAIL SERVICES] | | | PWRC |
| 11 | SCYX | Farmers Cooperative Association of York, Nebraska | | | RSRV |