Showing 1,012 registered airlines with a combined fleet of 8,878 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Scenic Airlines | SCE | 0 |
| Seacoast Airlines | SCC | 0 |
| Secure Air Charter | JCM | 9 |
| Security Aviation | SVX | 6 |
| Sedalia, Marshall, Boonville Stage Line | STG | 0 |
| Sedona Air Center | SED | 0 |
| Sentel Corporation | SEL | 0 |
| Seven Bar Flying Service | SBF | 0 |
| Shavano Air | SHV | 0 |
| Shawnee Airline | SHW | 0 |