| 1 | KSC | Krajowa Spółka Cukrowa S.A. | | PL | VKM |
| 2 | KSCA | K & S TRANSPORT INC | | | SCAC4 |
| 3 | KSCB | KB & SONS CARRIER LTD | | | SCAC4 |
| 4 | KSCC | KANSAS CITY COLD STORAGE DISTRIBUTION INC. | | | PWRC |
| 5 | KSCC | KANSAS CITY COLD STORAGE DISTRIBUTI | | | SCAC3 |
| 6 | KSCC | KOL GLOBAL LOGISTICS SERVICES | | | SCAC4 |
| 7 | KSCD | KYOWA SHIPPING CO LTD | | | SCAC3 |
| 8 | KSCD | K-SOURCE CANADA LTD | | | SCAC4 |
| 9 | KSCE | KANSAS CITY EXPRESS | | | SCAC3 |
| 10 | KSCF | KLEGSTAD, SCOTT | | | SCAC4 |
| 11 | KSCH | KLEINSCHMIT TRUCKING INC | | | SCAC4 |
| 12 | KSCH | Kiel-Schönberger Eisenbahn GmbH | | D | TRAFFIC |
| 13 | KSCI | KANAWHA STONE COMPANY INC | | | SCAC4 |
| 14 | KSCL | KOMI SHIPPING COMPANY LTD LIB | | | SCAC3 |
| 15 | KSCL | KESCO CONTAINER LINE INC | | | SCAC4 |
| 16 | KSCM | KENNEDY-SIM | | | SCAC4 |
| 17 | KSCN | KOSCARGO CONSOLID CORP. | | | SCAC3 |
| 18 | KSCO | K/S COMBI LIFT | | | SCAC4 |
| 19 | KSCP | KAPALUA SHIPPING CORPORATION | | | SCAC4 |
| 20 | KSCQ | KINGS SPECIALIZED CARRIER INC | | | SCAC3 |
| 21 | KSCR | KSI | | | SCAC4 |
| 22 | KSCS | K & S CARRIERS LLC | | | SCAC4 |
| 23 | KSCT | KORSTAR SHIPPING CO LTD | | | SCAC4 |
| 24 | KSCU | KOREA SHIPPING CORPORATION | | | PWRC |
| 25 | KSCU | Korea Shipping Corporation | | | RSRV |
| 26 | KSCU | KOREA SHIPPING CORPORATION | | | SCAC3 |
| 27 | KSCX | KapStone Charleston Kraft, LLC | added 10/2008 | | NAKINA |
| 28 | KSCX | Kaiser Steel Corp. | 1/1952-7/1954; eliminated 1/1956; added 7/1966; 10/1966-1/1975; eliminated 7/1978 | | NAKINA |
| 29 | KSCX | Kentucky Solvay Coke Co. (Ashland By-Product Coke Co.) | 7/1923 | | NAKINA |
| 30 | KSCX | Kentucky Solvay Coke Co. | 8/1920 | | NAKINA |
| 31 | KSCX | Kaiser Steel Corp. | 1/52; added 7/66; 10/66-1/75; eliminated 7/78 | | NRHS |
| 32 | KSCX | *ASHLAND BY-PRODUCT COKE CO. [KENTUCKY SOLVAY COKE CO.] | | | PWRC |
| 33 | KSCX | *KAISER STEEL CO. | | | PWRC |
| 34 | KSCX | +KAPSTONE CHARLESTON KRAFT, LLC | | | PWRC |
| 35 | KSCX | KAPSTONE CHARLESTON KRAFT LLC | | | SCAC4 |
| 36 | KSCX | Kaiser Steel Corp. | | USA | TRAFFIC |
| 37 | KSCY | KOFINAS SHIPPING COMPANY LIMITED | | | SCAC3 |
| 38 | KSCY | K & S LOGISTICS INC | | | SCAC4 |
| 39 | KSCZ | KOREA SHIPPING CORPORATION | | | PWRC |
| 40 | KSCZ | Korea Shipping Corporation | | | RSRV |
| 41 | KSCZ | KOREA SHIPPING CORPORATION | | | SCAC4 |
