| 1 | STG | Sedalia, Marshall, Boonville Stage Line, Inc. | Callsign: Stage, | USA | AVCODES |
| 2 | STG | Sedalia, Marshall, Boonville Stage Line | | | ICAO1 |
| 3 | STG | SOUTHERN TIER STAGES INC | | | SCAC4 |
| 4 | STGA | STAGELINE MOBILE STAGE INC | | | SCAC4 |
| 5 | STGB | SET TO GO TRANSPORTATION LLC | | | SCAC4 |
| 6 | STGBS | Stuttgarter Bahnservice Ltd. | | DE | VKM |
| 7 | STGC | ST GEORGE COMPANY LIMITED, THE | | | SCAC4 |
| 8 | STGE | SUNCHASE TRANSPORTATION GROUP | | | SCAC4 |
| 9 | STGE | Stahl Gerlafingen AG | | D | TRAFFIC |
| 10 | STGG | SPECIALIZED TRANSPORTATION AGENT GR | | | SCAC4 |
| 11 | STGI | S T G TRANSPORT INC | | | SCAC4 |
| 12 | STGL | SMITH TRANSPORT & LOGISTICS INC | | | SCAC4 |
| 13 | STGN | STL LOGISTICS LLC | | | SCAC4 |
| 14 | STGP | SOUTHEASTERN AG TRANSPORT INC | | | SCAC4 |
| 15 | STGQ | STEAMBOAT CREEK TERMINALS INC | | | SCAC4 |
| 16 | STGR | SEMGROUP ENERGY PARTNERS LLC | | | SCAC4 |
| 17 | STGS | SCHMIDT, CALVIN | | | SCAC4 |
| 18 | STGS | Miejski Zakład Komunikacji w Stargardzie Szczecińskim. | Until 31.12.2015 Miejski Zakład Komunikacji w Stargardzie Szczecińskim. Until 31.12.2017 Miejski Zakład Komunikacji w Stargardzie. From 1.01.2018 Miejskie Przedsiębiorstwo Komunikacji w Stargardzie | PL | TRAFFIC |
| 19 | STGT | STERLING TRUCKING INC | | | SCAC4 |
| 20 | STGU | SHOWA SPECIALTY GAS (TAIWAN) CO LTD | | RC | BIC |
| 21 | STGU | GROUP-ST LTD | | | SCAC4 |
| 22 | STGV | STERLING VAN LINES INC | | | SCAC4 |
| 23 | STGX | South Texas Grain Co., Inc. | added 7/1991; 1/1994; eliminated 10/1997; 7/2000-7/2005 (not listed) | | NAKINA |
| 24 | STGX | South Texas Grain Co., Inc. | added 7/91; 1/94; eliminated 10/97; 7/2000 | | NRHS |
| 25 | STGX | SOUTH TEXAS GRAIN COMPANY, INC. | | | PWRC |
| 26 | STGX | South Texas Grain | | | RSRV |
| 27 | STGX | SOUTH TEXAS GRAIN COMPANY, INC. | | | SCAC4 |
| 28 | STGY | ST GERMAIN WAREHOUSE CO INC | | | SCAC4 |
| 29 | STGZ | STEPHENS GRAPHICS | | | PWRC |
