| 1 | SHH | Airshare Holdings | Callsign: Airshare, Ceased operations. | GB | AVCODES |
| 2 | SHH | Sky High Aviation Services S.A. | IATA: DO, Callsign: Sky High, Founded in 2012. | DOM | AVCODES |
| 3 | SHH | Airshare Holdings | | | ICAO1 |
| 4 | SHH | Städtische Häfen Hannover | Hannover | D | privat-bahn.de |
| 5 | SHH | Städtische Häfen Hannover | | D | TRAFFIC |
| 6 | SHH | Städtische Häfen Hannover | | DE | VKM |
| 7 | SHHB | SUGAR HILL LOGISTICS INC | | | SCAC4 |
| 8 | SHHF | SHANAHAN TRANSPORTATION SYSTEMS INC | | | SCAC4 |
| 9 | SHHN | ST-HUBERT HAY & SHAVING INC | | | SCAC4 |
| 10 | SHHQ | SOLACOM TECHNOLOGIES INC | | | SCAC4 |
| 11 | SHHT | SHANGHAI TOPFOR LOGISTICS INTERNATI | | | SCAC4 |
| 12 | SHHU | SLOMAN NEPTUNE SCHIFFAHRTS-AG | | | SCAC4 |
| 13 | SHHW | SANCHEZ BROS TRANSPORT | | | SCAC4 |
