Showing 295 registered airlines with a combined fleet of 1,190 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Sowind Air | SOW | 4 |
| Starlink Aviation | TLK / Q4 | 2 |
| Stephenville Aviation Services | XSN | 1 |
| Sun Air Aviation Services | SNX | 0 |
| Sunwest Airlines | SST | 1 |
| Sunwest Aviation | CNK | 17 |
| Sunwing Airlines | SWG / WG | 35 |
| Swiss Flight Services | SFS | 2 |
| Switfair Cargo | SCL | 0 |
| Syncrude Canada | SYN | 0 |