| 1 | STE | Semitool Europe Ltd. | Callsign: Semitrans, | GB | AVCODES |
| 2 | STE | Fly Famg t/a Agulhas 360 | Callsign: Steamline, | ZA | AVCODES |
| 3 | STE | Semitool Europe | | | ICAO1 |
| 4 | STE | Stockton Terminal and Eastern R.R. | 1/1975-7/2005 | | NAKINA |
| 5 | STE | Stockton Terminal and Eastern R.R. | 1/75-7/2000 | | NRHS |
| 6 | STE | Strausberger Eisenbahn GmbH | Strausberg | D | privat-bahn.de |
| 7 | STE | STOCKTON TERMINAL & EASTERN RAILROAD | | | PWRC |
| 8 | STE | Stockton Terminal and Eastern Railroad | | | RSRV |
| 9 | STE | Stockton Terminal and Eastern R.R. | | USA | TRAFFIC |
| 10 | STEA | STEARNS EXPRESS, INC | | | SCAC1 |
| 11 | STEA | SHREINER TRUCKING | | | SCAC4 |
| 12 | STEAM | Rent a Lok Aps | | DK | VKM |
| 13 | STEB | SEA TRACK CONSOLIDATORS | | | SCAC4 |
| 14 | STEB | Stansstad-Engelberg-Bahn | | CH | TRAFFIC |
| 15 | STEC | STEELER INC | | | SCAC4 |
| 16 | STED | SEATAC EXPRESS INC | | | SCAC4 |
| 17 | STEEL | VÍTKOVICE STEEL, a.s. | | CZ | VKM |
| 18 | STEF | STEFANELLI, FRANK | | | SCAC1 |
| 19 | STEF | STEFI TRANS INC | | | SCAC4 |
| 20 | STEF | Stefen GmbH & Co. KG | | DE | VKM |
| 21 | STEG | STEGALL MILLING CO | | | SCAC1 |
| 22 | STEG | STEGALL MILLING CO INC (NC CORP) | | | SCAC4 |
| 23 | STEG | Österreichisch-ungarische Staatseisenbahngesellschaft | | A | TRAFFIC |
| 24 | STEI | SOLINK TRANSPORTATION INC | | | SCAC4 |
| 25 | STEINO | Steinerbus AG, Ortschwaben | | CH | TRAFFIC |
| 26 | STEINWAY | Steinway Bus | | USA | TRAFFIC |
| 27 | STEJ | SUMMIT TECHNOLOGIES INC | | | SCAC4 |
| 28 | StEK | Städtische Eisenbahn Krefeld AG | Krefeld | D | privat-bahn.de |
| 29 | STEK | S & T ELECTRICAL INTERNATIONAL INCO | | | SCAC4 |
| 30 | STEL | STEELE, TERRY TRUCKING | | | SCAC4 |
| 31 | STEL | Societa Trazione Elettrica Lombarda | City: Milano - Monza | I | TRAFFIC |
| 32 | STEM | STERLING MOVING & STORAGE INC | | | SCAC4 |
| 33 | Stena | Stena Recycling AB | 2007 - 2011 | S | svenska-lok.se |
| 34 | STENA | Stena Gotthard AB | | SE | VKM |
| 35 | STENBUS | Stenbus, s.r.o. | City: Praha | CZ | TRAFFIC |
| 36 | STEP | STREAM EXPRESS INC | | | SCAC4 |
| 37 | STEQ | STECHT TRANSPORTATION CO | | | SCAC4 |
| 38 | STER | ST. THOMAS & EASTERN RAILWAY | | | PWRC |
| 39 | STER | St. Thomas and Eastern Railway | | | RSRV |
| 40 | STER | Sterling | | USA | TRAFFIC |
| 41 | STEU | STELKONT LTD | | RUS | BIC |
| 42 | STEU | STEINECKER CONTAINERHANDEL | | | SCAC4 |
| 43 | STEW | TORI CORP INC | | | SCAC3 |
| 44 | STEX | Strick Trailers Division of Fruehauf Trailer Co. | added 10/1961; eliminated 1/1964 | | NAKINA |
| 45 | STEX | Strick Division, Fruehauf Corp. | added 1/1964; 7/1965; eliminated 7/1966 | | NAKINA |
| 46 | STEX | Sterling Chemicals, Inc. | added 1/1987; 1/1994-7/2005; eliminated 7/2007 | | NAKINA |
| 47 | STEX | Strick Division, Fruehauf Corp. | 7/65; eliminated 7/66 | | NRHS |
| 48 | STEX | Sterling Chemicals, Inc. | added 1/87; 1/94-7/2000 | | NRHS |
| 49 | STEX | *STRICK DIV., FRUEHAUF CORP. | | | PWRC |
| 50 | STEX | +STERLING CHEMICALS, INC. | | | PWRC |
| 51 | STEX | Sterling Chemicals | | | RSRV |
| 52 | STEX | STERLING CHEMICALS INC | | | SCAC4 |
| 53 | STEY | STANLEY TRUCKING | | | SCAC4 |
