| 1 | KRO | Kroonk, Air Agency Ltd. | Callsign: Kroonk, | UA | AVCODES |
| 2 | KRO | Aliblu Airways S.p.A. | IATA: KR, Callsign: Alibly, | I | AVCODES |
| 3 | KRO | Kroonk Air Agency | | | ICAO1 |
| 4 | KRO | Kronospan CR s.r.o. | | BG | VKM |
| 5 | KROA | KARPETZ, RODNEY | | | SCAC4 |
| 6 | KROB | KELLY, ROBERT | | | SCAC4 |
| 7 | KROD | KROPF INDUSTRIAL INC | | | SCAC4 |
| 8 | KROF | KRO-FLITE CARTAGE COMPANY | | | SCAC3 |
| 9 | KROI | KRESTCO INC | | | SCAC3 |
| 10 | KROISS | L. Kroiss GmbH & Co. KG | City: Rosenheim | D | TRAFFIC |
| 11 | KROK | KROESCHEL, KENNETH | | | SCAC3 |
| 12 | KRONO | Länstrafiken Kronoberg | | SE | VKM |
| 13 | KRONR | SC KRONOSPAN ROMANIA SRL | | RO | VKM |
| 14 | KROO | KROON SHIPPING CORPORATION | | | SCAC3 |
| 15 | KROP | KROEGER PRECAST INC | | | SCAC3 |
| 16 | KROP | KROPEINICKI BROS | | | SCAC4 |
| 17 | KROR | KROGER CO | | | SCAC3 |
| 18 | KROS | KROOSWYK TRUCKING & EXCAVATING INC | | | SCAC3 |
| 19 | KROSNO | Miejskiej Komunikacji Samochodowej w Krośnie | | PL | TRAFFIC |
| 20 | KROT | KARO TRANSPORTATION | | | SCAC3 |
| 21 | KROT | Miejski Zakład Komunikacji w Krotoszynie | | PL | TRAFFIC |
| 22 | KROU | KRONOCHEM LLC | | BY | BIC |
| 23 | KROV | KROVITZ, E M, INC | | | SCAC3 |
| 24 | KROW | KROW INDUSTRIES INC | | | SCAC3 |
| 25 | KROY | KROY TRANSPORTATION CO | | | SCAC3 |
