| 1 | TEL | Telford Aviation, Inc. | Callsign: Telford, | USA | AVCODES |
| 2 | TEL | Telford Aviation | | | ICAO1 |
| 3 | TEL | Touristik-Eisenbahn Lüneburger Heide GmbH | | DE | VKM |
| 4 | TELA | TRANSPORTES EL GALANENO | | | SCAC4 |
| 5 | TELC | TRINITY ELITE ENTERPRISES INC | | | SCAC4 |
| 6 | TELD | TELEDYNE TRANSPORT LIMITED | | | SCAC3 |
| 7 | TELD | TRISTAR TRANSPORT LTD | | | SCAC4 |
| 8 | TELF | TLC EXPRESS LLC | | | SCAC4 |
| 9 | TELG | T & E LOGISTICS INC | | | SCAC4 |
| 10 | TELH | T4 EXPRESS LLC | | | SCAC4 |
| 11 | TELI | TRANSPORT'ELLES | | | SCAC4 |
| 12 | TELIC | TELEFONOS LINEAS Y CENTRALES | | ES | VKM |
| 13 | TELJ | TRANSURE EXPRESS LLC | | | SCAC4 |
| 14 | TELK | TERREL TRUCKING CO | | | SCAC3 |
| 15 | TELM | TOP EXECUTIVE LIMOUSINE SERVICE | | | SCAC3 |
| 16 | TELM | TAMEZ TAMEZ, CRISTIAN PATROCINIO | | | SCAC4 |
| 17 | TELO | TRANSPORTES ELOLA S A DE C V | | | SCAC4 |
| 18 | TELP | TEL TRANSPORTATION INC | | | SCAC3 |
| 19 | TELP | TELSTAR GROUP INC | | | SCAC4 |
| 20 | TELR | TELROSS INC | | | SCAC3 |
| 21 | TELR | TWO ZERO FIVE FOUR EIGHT ZERO SIX ( | | | SCAC4 |
| 22 | TELT | TELE-TRUCKING INC | | | SCAC3 |
| 23 | TELU | TRANS EATON INTERNATIONAL ASSET MANAGEMENT COMPANY LIMITED | | HK | BIC |
| 24 | TELU | TASMAN EXPRESS LINE LTD. | | | SCAC3 |
| 25 | TELV | TRANSPORTES ELVYMAR | | | SCAC4 |
| 26 | TELW | TIR EXPRESS LLC | | | SCAC4 |
| 27 | TELX | Tacoma Electrochemical Co. | 7/1930-7/1932 | | NAKINA |
| 28 | TELX | Tacoma Electrochemical Co. (Pennsylvania Salt Mfg. Co. of Washington) | 7/1935 | | NAKINA |
| 29 | TELX | Pennsylvania Salt Mfg. Co. of Washington | 7/1937-1/1950 | | NAKINA |
| 30 | TELX | Tacoma Electrochemical Co.< of Co. Mfg. Salt> | 1/1952 | | NAKINA |
| 31 | TELX | Pennsylvania Salt Manufacturing Co. of Washington | 7/1954; eliminated 10/1957 | | NAKINA |
| 32 | TELX | Pennsalt of Washington Division, Pennsalt Chemicals Corp. | added 10/1957; 10/1957; eliminated 10/1960 | | NAKINA |
| 33 | TELX | Pennsalt Chemicals Corp. | added 10/1960; 4/1961; eliminated 4/1963 | | NAKINA |
| 34 | TELX | Pennsalt Chemicals Corp., Industrial Chemicals Division West | added 4/1963 | | NAKINA |
| 35 | TELX | Pennsalt Chemicals Corp. | 7/1965-10/1966; eliminated 1/1969 | | NAKINA |
| 36 | TELX | Pennsalt Carriers Corp. | added 1/1969; 4/1970; eliminated 1/1975 | | NAKINA |
| 37 | TELX | Pennwalt Carriers Corp. | added 1/1975; 1/1975-1/1980; eliminated 1/1993 | | NAKINA |
| 38 | TELX | ELF Atochem North America, Inc. | added 1/1993; 1/1994-7/2000; eliminated 7/2003 | | NAKINA |
| 39 | TELX | Atofina Chemicals Inc. | added 7/2003; 7/2005 | | NAKINA |
| 40 | TELX | Tacoma Electrochemical Co. (Pennsylvania Salt Mfg. Co. of Washington) | 4/38-1/52 | | NRHS |
| 41 | TELX | Pennsylvania Salt Manufacturing Co. of Washington | eliminated 10/57 | | NRHS |
| 42 | TELX | Pennsalt of Washington Division, Pennsalt Chemicals Corp. | added 10/57; 10/57; eliminated 10/60 | | NRHS |
| 43 | TELX | Pennsalt Chemicals Corp. | added 10/60; 4/61-10/66; eliminated 1/69 | | NRHS |
| 44 | TELX | Pennsalt Carriers Corp. | added 1/69; 4/70; eliminated 1/75 | | NRHS |
| 45 | TELX | Pennwalt Carriers Corp. | added 1/75; 1/75-1/80; eliminated 1/93 | | NRHS |
| 46 | TELX | ELF Atochem North America, Inc. | added 1/93; 1/94-7/2000 | | NRHS |
| 47 | TELX | *PENNWALT CARRIERS CORP. [PENNSALT CHEMICALS; TACOMA ELECTROCHEMICAL CO.} | | | PWRC |
| 48 | TELX | *TEXAS LIMITED EXCURSION TRAIN, INC. | | | PWRC |
| 49 | TELX | +ATOFINA CHEMICALS, INC. [ELF ATOCHEM NORTH AMERICA, INC.] | | | PWRC |
| 50 | TELX | Penwalt Carriers Corporation (ELF Atochem North America) | | | RSRV |
| 51 | TELX | PENNSALT CHEMICALS CORP | | | SCAC3 |
| 52 | TELX | ATOFINA CHEMICALS INC | | | SCAC4 |
| 53 | TELY | TOP ENERGY LTD | | | SCAC4 |
