| 1 | HJC | Heathrow Jet Charter Ltd. | Callsign: Rhionair, | GB | AVCODES |
| 2 | HJC | Heathrow Jet Charter Ltd. | Callsign: Rhinoair, Merged into Gama Aviation | GB | AVCODES |
| 3 | HJCC | HAMILTON, JAMES CONSTRUCTION CO | | | SCAC4 |
| 4 | HJCE | HIPP, JOHN C CONSTRUCTION EQUIPMENT | | | SCAC4 |
| 5 | HJCI | HARRIS, JEFF CO INC | | | SCAC4 |
| 6 | HJCM | HANGER, JAMES C | | | SCAC4 |
| 7 | HJCN | HILDEBRAND, JASON CREATIVE | | | SCAC4 |
| 8 | HJCO | HALJOE COACHES USA | | | SCAC4 |
| 9 | HJCP | HICKS, JACK COMPANY OF ELK PARK INC | | | SCAC4 |
| 10 | HJCS | HUNT, J B DEDICATED CONTRACT | | | SCAC4 |
| 11 | HJCU | HANJIN CONTAINER LINES, LTD. | | | PWRC |
| 12 | HJCU | HANJIN Container Lines | | | RSRV |
| 13 | HJCU | HANJIN SHIPPING CO LTD | | | SCAC4 |
| 14 | HJCZ | HANJIN CONTAINER LINES, LTD. | | | PWRC |
| 15 | HJCZ | HANJIN Container Lines | | | RSRV |
| 16 | HJCZ | HANJIN CONTAINER LINES, LTD. | | | SCAC4 |
