| 4001 | TGPX | Tamak Gas Products Co., Inc. | added 4/1962; eliminated 7/1962 | | NAKINA |
| 4002 | TGPX | Tamak Transportation Corp. | added 7/1962; 7/1965-7/2005; eliminated 10/2006 | | NAKINA |
| 4003 | TGPX | Tamak Gas Products Co., Inc. | added 4/62 | | NRHS |
| 4004 | TGPX | Tamak Transportation Corp. | 7/65-7/2000 | | NRHS |
| 4005 | TGPX | TAMAK TRANSPORTATION CORP. | | | PWRC |
| 4006 | TGPX | Tamak Transportation Corporation | | | RSRV |
| 4007 | TGPX | TRANSPORTATION EQUIPMENT INC | | | SCAC4 |
| 4008 | TGPZ | TRANSAMERICA LEASING INC | | | SCAC4 |
| 4009 | TGQI | TRANS GLOBE LOGISTICS INC | | | SCAC4 |
| 4010 | TGQL | TMG LOGISTICS INC | | | SCAC4 |
| 4011 | TGQN | TARGET LOGISTICS INC | | | SCAC4 |
| 4012 | TGQT | TARGET TRANSPORTATION | | | SCAC4 |
| 4013 | TGR | Tavia, Joint-Stock Company | Callsign: Tavia, | RUS | AVCODES |
| 4014 | TGR | Satgur Air Transport Corporation | Callsign: Satgurair, | LB | AVCODES |
| 4015 | TGR | | ~Sorin Oprisan | GB | TRAFFIC |
| 4016 | TGR | Tief-. Gleis u Ing. Bau Postock BmbH | | DE | VKM |
| 4017 | TGRB | TRANSPORTING RENEWABLE RESOURCE INC | | | SCAC3 |
| 4018 | TGRB | TRANSPORTES GARCIA | | | SCAC4 |
| 4019 | TGRC | TORTUGA EXPRESS LLC | | | SCAC4 |
| 4020 | TGRE | TIGER RECYCLING | | | SCAC3 |
| 4021 | TGRF | TIGER TRANSFER | | | SCAC3 |
| 4022 | TGRG | TRANSNATIONAL FREIGHT | | | SCAC4 |
| 4023 | TGRH | TRANS TECH LOGISTICS INC | | | SCAC4 |
| 4024 | TGRI | TIGRIS INTERNATIONAL CORP. | | | SCAC3 |
| 4025 | TGRJ | T G R TRANSPORT | | | SCAC4 |
| 4026 | TGRK | TGR LOGISTICS INC | | | SCAC4 |
| 4027 | TGRL | TARGET TRANSPORT SERVICES LTD | | | SCAC3 |
| 4028 | TGRM | TGR TRANSPORTATION LLC | | | SCAC4 |
| 4029 | TGRN | TIGER TRANSPORTATION INC | | | SCAC4 |
| 4030 | TGRO | TIGER OIL INC | | | SCAC3 |
| 4031 | TGRP | TIGER TRANSPORT INC | | | SCAC3 |
| 4032 | TGRR | TIGER TRANSPORT INC | | | SCAC3 |
| 4033 | TGRS | TRUE, GEORGE & SON INC | | | SCAC3 |
| 4034 | TGRT | TAGGART SERVICE LIMITED | | | SCAC3 |
| 4035 | TGRU | LLC SPECTRANSGARANT | | RUS | BIC |
| 4036 | TGRU | FIRMA TRANSGARRANT | | | SCAC4 |
| 4037 | TGRW | TIGER RACING | | | SCAC4 |
| 4038 | TGRX | Transglobal Rail, Inc. | 7/2000 (not listed) | | NAKINA |
| 4039 | TGRX | Transglobal Rail, Inc. | Jul-00 | | NRHS |
| 4040 | TGRX | TRANSGLOBAL RAIL, INC. | | | PWRC |
| 4041 | TGRX | Transglobal Rail | | | RSRV |
| 4042 | TGRY | TRANSGO CARRIERS | | | SCAC4 |
| 4043 | TGRZ | T. G. RAILWAY CAR REPAIR FACILITY | | | PWRC |
| 4044 | TGS | Aerotranscargo, S.A. de C.V. | Callsign: Carguero, | MEX | AVCODES |
| 4045 | TGSA | TRANSPORT GSA INC | | | SCAC3 |
| 4046 | TGSA | TRANSPORTE GERSA | | | SCAC4 |
| 4047 | TGSB | TRANSPORTES GOVALL SA DE CV | | | SCAC4 |
| 4048 | TGSC | TRANS GERMANIA SHIPPING CO LTD | | | SCAC3 |
| 4049 | TGSE | TRANSPORTES GAR SALI | | | SCAC4 |
| 4050 | TGSG | TANGENT STAIR MANUFACTURING INC | | | SCAC4 |
| 4051 | TGSH | TARGET SHIPPING INC | | | SCAC3 |
| 4052 | TGSH | TARGET SHIPPING INC | | | SCAC4 |
| 4053 | TGSI | THOMPSON, GEORGE & SON INC | | | SCAC3 |
| 4054 | TGSI | TRANSGAS SHIPPING LINES | | | SCAC4 |
| 4055 | TGSJ | TURNAGE AND SONS LLC | | | SCAC4 |
| 4056 | TGSK | T G & SON TRUCKING | | | SCAC3 |
| 4057 | TGSK | TRANSPORTES G R | | | SCAC4 |
| 4058 | TGSL | TWIN GARDEN SALES INC | | | SCAC4 |
| 4059 | TGSM | T G S TRANSPORATION INC | | | SCAC3 |
| 4060 | TGSM | T G S TRANSPORTATION INC | | | SCAC4 |
| 4061 | TGSP | TARGET SHIPPING CORP. | | | SCAC3 |
| 4062 | TGSP | TROPIGAS DE PUERTO RICO INC | | | SCAC4 |
| 4063 | TGSQ | TRANSLINK GLOBAL SHIPPING INC | | | SCAC4 |
| 4064 | TGSR | TRIANGLE SERVICES CORPORATION | | | SCAC3 |
| 4065 | TGSR | TRANSPORTES GONZALO SANCHEZ ROSA | | | SCAC4 |
| 4066 | TGST | T G S TRANSPORTATION INC | | | SCAC3 |
| 4067 | TGSU | TOUAX GROUP | | F | BIC |
| 4068 | TGSV | TUG SERVICES INC | | | SCAC3 |
| 4069 | TGSV | TRANSPUGA SA DE CV | | | SCAC4 |
| 4070 | TGSX | Texas Gulf Sulphur Co. | added 4/1963; 7/1965-4/1970; eliminated 7/1972 | | NAKINA |
| 4071 | TGSX | Texas Gulf, Inc. | added 7/1972 | | NAKINA |
| 4072 | TGSX | Texas Gulf Sulphur Co. | eliminated 1/1974 | | NAKINA |
| 4073 | TGSX | Texasgulf Inc. | added 1/1974; 1/1975; eliminated 1/1978 | | NAKINA |
| 4074 | TGSX | Texasgulf Inc., Soda Ash Operation | added 1/1978; 1/1980-1/1994; eliminated 10/1995 | | NAKINA |
| 4075 | TGSX | TG Soda Ash, Inc. | added 10/1995; eliminated 4/2000 | | NAKINA |
| 4076 | TGSX | FMC Corp. | added 4/2000; 7/2000-7/2005 | | NAKINA |
| 4077 | TGSX | Texas Gulf Sulphur Co. | 7/65-4/70 | | NRHS |
| 4078 | TGSX | Texasgulf Inc. | 1/75; eliminated 1/78 | | NRHS |
| 4079 | TGSX | Texasgulf Inc., Soda Ash Operation | added 1/78; 1/80-1/94; eliminated 10/95 | | NRHS |
| 4080 | TGSX | TG Soda Ash, Inc. | added 10/95; eliminated 4/2000 | | NRHS |
| 4081 | TGSX | FMC Corp. | added 4/2000; 7/2000 | | NRHS |
| 4082 | TGSX | FMC CORP. [TG SODA ASH, INC.; TEXASGULF, INC., SODA ASH OPERATIONS] | | | PWRC |
| 4083 | TGSX | Texasgulf (TG Soda Ash) | | | RSRV |
| 4084 | TGSX | TEXAS GULF SULPHUR CO | | | SCAC3 |
| 4085 | TGSY | TRANSLOGISTIC SONIA | | | SCAC4 |
| 4086 | TGT | Saab Nyge Aero AB | Callsign: Target, Name changed from AB Nyge Aero | S | AVCODES |
| 4087 | TGT | AB Nyge Aero | Callsign: Target, Name changed to Saab Nyge Aero AB | S | AVCODES |
| 4088 | TGT | SAAB Nyge Aero | | | ICAO1 |
| 4089 | TGTA | TAGGART TRANSPORT (U S) LIMITED | | | SCAC3 |
| 4090 | TGTA | TRANSPORTES GARZA TREVINO | | | SCAC4 |
| 4091 | TGTB | TG TRANSPORT INC | | | SCAC4 |
| 4092 | TGTC | TRIANGLE TRANSPORTATION COMPANY | | | SCAC3 |
| 4093 | TGTC | T & G TRUCKING | | | SCAC4 |
| 4094 | TGTD | TIGER TRUCKING INC | | | SCAC3 |
| 4095 | TGTF | TIGER TOWING & TRUCK REPAIR INC | | | SCAC3 |
| 4096 | TGTF | TARGET TRANSFER INC | | | SCAC4 |
| 4097 | TGTG | T & G TRUCKING | | | SCAC3 |
| 4098 | TGTH | TRIANGLE TRUCKING | | | SCAC3 |
| 4099 | TGTI | TIGER TRANSIT INC | | | SCAC3 |
| 4100 | TGTI | TITO GLOBAL TRADE SERVICES USA LLC | | | SCAC4 |
