| Pages:
A - AIR
AIR - AVI
AVI - CHE
CHE - EUR
EUR - JET
JET - MAE
MAL - R
S - TI
TR - WES
WES - Z |
| airline | country | IATA | ICAO |
| Samara | Russia | E5 | BRZ |
| Sayakhat | Kazakhstan | W7 | SAH |
 Scenic Airlines | USA | | YRR |
| Schreiner Airways | Netherlands | AW | SCH |
| SENATOR AVIATION CHARTER GMBH, KOLN | Germany | | SNA |
| Shar-ink.LTD | Russia | | UGP |
| SHELL AIRCRAFT LTD. | United Kingdom | | SHE |
| SHENZHEN AIRLINES | China | 4G | CSZ |
| Siberia Airlines | Russia | S7 | SBI |
| SIERRA PACIFIC AIRLINES (NORTH HOLLYWOOD, CA) | USA | R | SPA |
| SILVER ARROWS | Luxembourg | | SVW |
| SK AIR S.A. | Slovakia | S9 | SKU |
| SKY SERVICE | Belgium | | SKS |
| SKYJET | Belgium | | SKT |
| SKYJET INC. | ANTIGUA AND BARBUDA | | SKJ |
| SKYWORK SA | Switzerland | | SRK |
| SLOVAK AIR FORCE | Slovakia | | SQF |
| SLOVAK GOVERNMENT FLYING SERVICE | Slovakia | | SSG |
| SOCIEDAD AERONAUTICA DE MEDELLIN, CONSOLIDADA S.A. | COLOMBIA | MM | SAM |
| SPEEDWINGS SA | Switzerland | | SPW |
| SRY AIRLINES | Turkey | | SHY |
| STATE AIR TRAFFIC SERVICE ENTERPRISE | Ukraine | | UTS |
| STATE TRANSPORT COMPANY "RUSSIA" | Russia | | SDM |
| STERKH | Russia | | STH |
| STUTTGARTER FLUGDIENST GMBH | Germany | | FFD |
| SUN-AIR OF SCANDINAVIA A/S | Denmark | EZ | SUS |
| SWEDEN | Sweden | | SVF |
| SWISS AIR-AMBULANCE LTD., ZURICH | Switzerland | | SAZ |
| SWISS INTERNATIONAL AIR LINES | Switzerland | LX | SWR |
| SWISSAIR (SOCIETE ANONYME SUISSE POUR LA NAVIGATION AERIENNE) | Switzerland | SR | SWR |
| TAJIKAIR | Tajikistan | | TJK |
| TAROM Transporturile Aeriene Romane S.A. - Romanian Air Transport | Romania | RO | ROT |
| TATRA AIR | Slovakia | QS | TTR |
| TAUNUS AIR GMBH & CO K, WIESBADEN | Germany | | TAQ |
| Tavrey | Ukraine | T6 | TVR |
| TAYSIDE AVIATION LTD | United Kingdom | | TFY |
| Tbilaviamsheni | Georgia | | VNZ |
| TERRITORIAL AIRLINES, INC. (SANTA FE, NM) | USA | | TER |
| The Lviv Airlines | Ukraine | 5V | UKW |
| Titan Airways Ltd. | United Kingdom | | AWC |
| Pages:
A - AIR
AIR - AVI
AVI - CHE
CHE - EUR
EUR - JET
JET - MAE
MAL - R
S - TI
TR - WES
WES - Z |