| 1 | KRI | Krylo Airlines | IATA: K9, Callsign: Krilo, | RUS | AVCODES |
| 2 | KRI | Krylo Airlines | IATA: K9 | | ICAO1 |
| 3 | KRIA | KRISAX | | | SCAC4 |
| 4 | KRIG | K-RICH TRUCKING INC | | | SCAC4 |
| 5 | KRII | KRIEG, ALBERTA L | | | SCAC3 |
| 6 | KRIL | KERR INDUSTRIES LTD | | | SCAC3 |
| 7 | KRIMTR | Krymtrolleybus | | UA | TRAFFIC |
| 8 | KRIN | KRIC | | | SCAC3 |
| 9 | KRIN | KELLY-RYAN INC | | | SCAC4 |
| 10 | KRIQ | KRICKL MOTOR SERVICE | | | SCAC3 |
| 11 | KRIS | Kris-Tour ABC | | PL | TRAFFIC |
| 12 | KRITT | Manfred Kritter | | DE | VKM |
| 13 | KRIU | KRICON SERVICES B.V. | | NL | BIC |
| 14 | KRIX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 15 | KRIX | General Electric Railcar Services Corp. | added 10/1998; eliminated 1/2000 | | NAKINA |
| 16 | KRIX | Kyle Rys., Inc. | added 4/1996; eliminated 10/1998 | | NAKINA |
| 17 | KRIX | Kyle Rys., Inc. | added 4/96; eliminated 10/98 | | NRHS |
| 18 | KRIX | General Electric Railcar Services Corp. | added 10/98; eliminated 1/2000 | | NRHS |
| 19 | KRIX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 20 | KRIX | GENERAL ELECTRIC RAIL SERVICES (KYLE RWYS., INC.) | | | PWRC |
| 21 | KRIX | Kyle Railways (GE Rail Services Corporation) | | | RSRV |
| 22 | KRIX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 23 | KRIZ | KRAMER INDUSTRY | | | PWRC |
| 24 | KRIZ | KNIGHTS TRANSPORTATION SERVICES INC | | | SCAC4 |
