Showing 1,012 registered airlines with a combined fleet of 8,882 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Stateswest Airlines | SWJ | 0 |
| Steinman Aviation | SBB | 0 |
| Stewart Aviation Services | YBE | 0 |
| Stobart Air | STK / RE | 0 |
| Suburban Air Freight | SUB | 7 |
| Summit Airlines | SMM | 0 |
| Sun Country Airlines | SCX / SY | 49 |
| Sun Pacific International | SNP | 0 |
| Sun Quest Executive Air Charter | SNQ | 0 |
| Sun West Airlines | SNW | 0 |