| 1 | HRZ | Croatian Air Force (Hrvatsko Ratno Zrakoplovstvo) | Callsign: Croatian Airforce, | HR | AVCODES |
| 2 | HRZ | Croatian Air Force | | | ICAO1 |
| 3 | HRZC | HORIZON LOGISTICS INC | | | SCAC4 |
| 4 | HRZD | HORIZON LINES LLC | | | SCAC4 |
| 5 | HRZE | HORIZON EXPRESS INC | | | SCAC4 |
| 6 | HRZG | HERZOG TRUCKING COMPANY, INC | | | SCAC1 |
| 7 | HRZG | HERZOG TRUCKING COMPANY INC | | | SCAC4 |
| 8 | HRZI | HORIZON SHIP SUPPLY INC | | | SCAC4 |
| 9 | HRZK | HORIZON LINES OF ALASKA LLC | | | SCAC4 |
| 10 | HRZL | HORIZON LINES OF ALASKA LLC | | | SCAC4 |
| 11 | HRZM | HORIZON MOVING SYSTEMS OF ARIZONA I | | | SCAC4 |
| 12 | HRZN | HORIZON MOVING SYSTEMS OF SIERRA VI | | | SCAC4 |
| 13 | HRZP | HORIZON LINES OF PUERTO RICO INC | | | SCAC4 |
| 14 | HRZR | HORIZON RESOURCES | | | SCAC4 |
| 15 | HRZS | HORIZON SHIPPING LTD | | | SCAC4 |
| 16 | HRZT | HARTZ TRUCKING CO | | | SCAC4 |
| 17 | HRZU | MATSON NAVIGATION COMPANY, INC | | USA | BIC |
| 18 | HRZU | Matson Navigation | | | RSRV |
| 19 | HRZU | HORIZON LINES LLC | | | SCAC4 |
| 20 | HRZZ | HORIZON LINES LLC | | | SCAC4 |
