| 1 | KOC | SetAir | Callsign: SetAir, | TR | AVCODES |
| 2 | KOCA | KOCAK TRUCKING COMPANY | | | SCAC3 |
| 3 | KOCA | KOCAK, J E TRUCKING AND TRANSPORTAT | | | SCAC4 |
| 4 | KOCG | KOCTUG DENIZCILIK VE TICARET | | | SCAC3 |
| 5 | KOCH | KOCH, DONALD M | | | SCAC3 |
| 6 | KOCI | KOCI, JERRY O | | | SCAC3 |
| 7 | KOCI | KOCSIS, HEATHER | | | SCAC4 |
| 8 | KOCM | KRANS OIL COMPANY INC | | | SCAC4 |
| 9 | KOCO | KERR OIL CO INC | | | SCAC4 |
| 10 | KOCQ | KALER OIL CO INC | | | SCAC4 |
| 11 | KOCS | KOCH SHIPPING INC | | | SCAC4 |
| 12 | KOCT | KOCH TRUCK LINE INC | | | SCAC3 |
| 13 | KOCU | KOBC CONTAINER LEASING NO. 1 LIMITED | | ROK | BIC |
| 14 | KOCV | KOCAK VAN LINES INC | | | SCAC3 |
| 15 | KOCV | KOCAK MOVING & STORAGE LLC | | | SCAC4 |
| 16 | KOCX | KEITH OIL CO | | | SCAC3 |
| 17 | KOCZ | KOCH REFINING COMPANY | | | PWRC |
