| 1 | TES | Transportes Aereos de El Salvador S.A. de Cal. | Callsign: Taes, | ES | AVCODES |
| 2 | TES | Aircompany Skytest | Callsign: Skytest, | RUS | AVCODES |
| 3 | TES | Trabajos Aereos Espejo S.L. | | E | AVCODES |
| 4 | TES | Taespejo Portugal, Lda | Callsign: Tesaban, | P | AVCODES |
| 5 | TES | TAES Transportes Aereos de El Salvador | | | ICAO1 |
| 6 | TES | TEXAS ELECTRIC SERVICE CO. | | | PWRC |
| 7 | TESA | TESA COMPANY INC | | | SCAC3 |
| 8 | TESB | TEAM EXPRESS SERVICES | | | SCAC4 |
| 9 | TESC | TRANSPORTES ESPECIALIZADOS DE CERRA | | | SCAC4 |
| 10 | TESF | TRANSPORTES ESCAMILLA | | | SCAC4 |
| 11 | TESG | THREE EIGHT SEVEN ONE (3871) TRUCKI | | | SCAC4 |
| 12 | TESH | TUOHY MOVING SYSTEMS | | | SCAC4 |
| 13 | TESI | TESEI PETROLEUM INC | | | SCAC4 |
| 14 | TESL | TESLAA TRUCKING | | | SCAC3 |
| 15 | TESL | TE SLAA TRUCKING LTD | | | SCAC4 |
| 16 | TESM | TREASURE STATE MOBILE HOME MOVERS | | | SCAC3 |
| 17 | TESM | TRANSPORTES ESPECIALIZADOS SAKA SA | | | SCAC4 |
| 18 | TESN | TESONE, DAVID TRUCKING, INCORPORATE | | | SCAC3 |
| 19 | TESP | T & E TRANSPORT | | | SCAC4 |
| 20 | TESQ | TRANSPORTES ESQUERRA | | | SCAC4 |
| 21 | TESR | TESAR INDUSTRIAL CONTRACTORS INC | | | SCAC3 |
| 22 | TEST | TERMINAL STEAMSHIP COMPANY INC | | | SCAC3 |
| 23 | TEST | TERMINAL STEAMSHIP COMPANY INC | | | SCAC4 |
| 24 | TESV | TRANSCONTINENTAL ENERGY SAVING PROD | | | SCAC4 |
| 25 | TESX | Thomas E. Snyder Sons Co. | 1/1941-1/1945 | | NAKINA |
| 26 | TESX | THOMAS E. SNYDER SONS CO. | | | PWRC |
| 27 | TESX | TRANSPORTATION TECHNOLOGY CENTER IN | | | SCAC4 |
| 28 | TESY | THERMO ENERGY SYSTEMS INC | | | SCAC4 |
