| 1 | KCS | Kansas City Southern Ry. Co. | 7/1965-7/2005 | | NAKINA |
| 2 | KCS | Kansas City Southern Ry. Co. | 7/65-7/2000 | | NRHS |
| 3 | KCS | KANSAS CITY SOUTHERN RAILWAY COMPANY | | | PWRC |
| 4 | KCS | Kansas City Southern Railway | | | RSRV |
| 5 | KCS | KANSAS CITY SOUTHERN RAILWAY COMPAN | | | SCAC4 |
| 6 | KCS | Kansas City Southern Railway Company | | USA | TRAFFIC |
| 7 | KCSC | KANSAS CITY SOUTHERN RAILWAY | | | SCAC4 |
| 8 | KCSD | KANSAS CITY SPECIAL DISPATCH | | | SCAC3 |
| 9 | KCSE | KING CHARTER SERVICE | | | SCAC3 |
| 10 | KCSE | KING CHARTER SERVICE | | | SCAC4 |
| 11 | KCSH | K C'S HOTSHOT INC | | | SCAC4 |
| 12 | KCSI | KEYSTONE CARRIERS INC | | | SCAC3 |
| 13 | KCSI | K & C SISTERS LOGISTICS INC | | | SCAC4 |
| 14 | KCSK | KCS TRUCKING | | | SCAC4 |
| 15 | KCSL | KAMLOOPS CHARTER SERVICE LTD | | | SCAC3 |
| 16 | KCSL | KELLY COVE SALMON LTD | | | SCAC4 |
| 17 | KCSM | Kansas City Southern de Mexico S.A. de C.V. | added 10/2007 | | NAKINA |
| 18 | KCSM | Kansas City Southern de Mexico S. de R.L. de C.V. | added 4/2007; eliminated 10/2007 | | NAKINA |
| 19 | KCSM | Kansas City Southern de Mexico S.A. de C.V. | added 7/2006; eliminated 4/2007 | | NAKINA |
| 20 | KCSM | KANSAS CITY SOUTHERN DE MEXICO SA DE CV | | | PWRC |
| 21 | KCSM | Kansas City Southern de Mexico | | | RSRV |
| 22 | KCSM | KANSAS CITY SOUTHERN DE MEXICO S DE | | | SCAC4 |
| 23 | KCSM | Kansas City Southern de Mexico | | MEX | TRAFFIC |
| 24 | KCSN | KOEHN CONTRACTING SERVICES INC | | | SCAC4 |
| 25 | KCSO | KC SPOTTING INC | | | SCAC4 |
| 26 | KCSP | K & C SHIPPING INC | | | SCAC3 |
| 27 | KCSP | K & C SHIPPING INC | | | SCAC4 |
| 28 | KCSS | KEANES CARTAGE SYSTEMS | | | SCAC4 |
| 29 | KCST | KANSAS CITY SOUTHERN TRANSPORT CO I | | | SCAC3 |
| 30 | KCST | KC CARGO SHUTTLE | | | SCAC4 |
| 31 | KCSU | KANTO KAGAKU SINGAPORE PTE LTD | | SGP | BIC |
| 32 | KCSU | KANSAS CITY SOUTHERN RAILWAY COMPANY | | | PWRC |
| 33 | KCSU | Kansas City Southern Railway | | | RSRV |
| 34 | KCSU | KANTO KAGAKU SINGAPORE PTE LTD | | | SCAC4 |
| 35 | KCSV | K/C SERVICE | | | SCAC3 |
| 36 | KCSX | Kansas City Structural Steel Co. (White Eagle Oil & Refining Co.) | 8/1920 | | NAKINA |
| 37 | KCSX | *WHITE EAGLE OIL & REFINING CO. [KANSAS CITY STRUCTURAL STEEL CO.] | | | PWRC |
| 38 | KCSX | *KASTEN RAIL CAR SERVICE | | | PWRC |
| 39 | KCSZ | KANSAS CITY SOUTHERN RAILWAY COMPANY | | | PWRC |
| 40 | KCSZ | Kansas City Southern Railway | | | RSRV |
| 41 | KCSZ | KANSAS CITY SOUTHERN RAILWAY COMPAN | | | SCAC4 |
