| 1 | TX | La Caribeenne des Transport Aériens | ICAO: FWI, Callsign: French West, IATA Prefix: 427, Name changed to Air Caraibes. Name change from Societe Nouvelle Air Gaudeloupe | GP | AVCODES |
| 2 | TX | Société Nouvelle Air Gaudeloupe | ICAO: FWI, Callsign: French West, IATA Prefix: 427, Name change to La Caribeenne des Transport Aeriens | GP | AVCODES |
| 3 | TX | Air Guadeloupe | ICAO: AGU, Callsign: Air Guadeloupe, | GP | AVCODES |
| 4 | TX | Air Caraibes | ICAO: FWI, Callsign: French West, IATA Prefix: 427, Name changed from La Caribeenne des Transport A�riens. Name change from Societe Nouvelle Air Gaudeloupe | GP | AVCODES |
| 5 | TX | TX-Logistik GmbH | Bad Honnef | D | privat-bahn.de |
| 6 | TXA | Texair Charter, Inc. | Callsign: Okay Air, ICAO designator changed to TXS. ICAO Callsign changed to Texair. Name changed to Texas Airlines, Inc. | USA | AVCODES |
| 7 | TXA | Deer Horn Aviation Ltd., Co. | Callsign: Texair, | USA | AVCODES |
| 8 | TXA | Texair Charter | | | ICAO1 |
| 9 | TXAB | TEXAS BRAGG ENTERPRISES | | | SCAC4 |
| 10 | TXAC | TEX PART CO | | | SCAC4 |
| 11 | TXAD | TEX-AIR DELIVERY INC | | | SCAC4 |
| 12 | TXAE | TRANSOCEAN TRANSPORT AGENCY CANADA | | | SCAC4 |
| 13 | TXAG | TXLA INTERMODAL LP | | | SCAC4 |
| 14 | TXAH | TEXAS LOGISTICS INC | | | SCAC4 |
| 15 | TXAI | TRANSPORT A G EXPRESS INC | | | SCAC4 |
| 16 | TXAM | TIDEWATER EXPRESS INC | | | SCAC4 |
| 17 | TXAN | TRANSPORTES S A X | | | SCAC4 |
| 18 | TXAO | TRANSPORT ANDRE MATHON | | | SCAC4 |
| 19 | TXAS | TRANSPORTES ARIZONA | | | SCAC4 |
| 20 | TXAT | TEXAS AUTO CARRIERS INC | | | SCAC4 |
| 21 | TXAV | TRANSPORTES SONOMEX | | | SCAC4 |
| 22 | TXAY | TRANSPORT ANDRE BERGERON | | | SCAC4 |
| 23 | TXB | Bell Helicopter, Textron Canada | Callsign: Textron, | CDN | AVCODES |
| 24 | TXB | Bell Helicopter Textron | | | ICAO1 |
| 25 | TXBD | TRANSFER BLOND | | | SCAC4 |
| 26 | TXBG | TRANSPORTES BIO-LOGIS SA DE CV | | | SCAC4 |
| 27 | TXBH | TRANSPORTES B H | | | SCAC4 |
| 28 | TXBI | TXBI INC | | | SCAC4 |
| 29 | TXBJ | TEXAS BAR-J TRUCKING L C | | | SCAC4 |
| 30 | TXBL | TRANSPORT BL | | | SCAC4 |
| 31 | TXBM | TRANSPORTES BERRELLEZA SA DE CV | | | SCAC4 |
| 32 | TXC | Transaviaexport Cargo Airline | Callsign: Transexport, IATA Prefix: 221, IATA Designator AL* recalled by IATA | BY | AVCODES |
| 33 | TXC | Transaviaexport | IATA: AL | | ICAO1 |
| 34 | TXCA | TRANSPORTES CEMA | | | SCAC4 |
| 35 | TXCB | TRANSPORT CHANCLAIR INC | | | SCAC4 |
| 36 | TXCF | TRANSPORTES COLORADO SA DE CV | | | SCAC4 |
| 37 | TXCG | TRANSPORTS CHOPPER INC | | | SCAC4 |
| 38 | TXCH | TRIPLE E CHRISTMAS TREES INC | | | SCAC4 |
| 39 | TXCM | TRANSPORT CHAINE INC | | | SCAC4 |
| 40 | TXCQ | TEXAS CARTAGE WAREHOUSE INC | | | SCAC4 |
| 41 | TXCR | TRI-TEX OIL CO & CRS LOGGING | | | SCAC4 |
| 42 | TXCT | TRANSPORTES CARDENAS | | | SCAC4 |
| 43 | TXCW | TEXAS COURIER AND WAREHOUSING INC | | | SCAC4 |
| 44 | TXCX | Tennessee Extract Co. | 7/1935 | | NAKINA |
| 45 | TXCX | Teas Extract Co. | 7/1937-7/1954; eliminated 7/1956 | | NAKINA |
| 46 | TXCX | Teas Extract Co. | 4/38-1/52; eliminated 7/56 | | NRHS |
| 47 | TXCX | TEAS EXTRACT CO. | | | PWRC |
| 48 | TXD | Aerotaxis Del Noroeste, S.A. de C.V. | Callsign: Taxi Oeste, | MEX | AVCODES |
| 49 | TXD | Aerotaxis del Noroeste | | | ICAO1 |
| 50 | TXDA | TRANSPORTES DADO | | | SCAC4 |
| 51 | TXDB | TRANSPORT DES SAULTS INC | | | SCAC4 |
| 52 | TXDD | TRANSPORT DSM CANADA INC | | | SCAC4 |
| 53 | TXDE | TRANSPORTADORA ELHER | | | SCAC4 |
| 54 | TXDF | TRANSPORT DGF INC | | | SCAC4 |
| 55 | TXDH | TRANSPORTES DE CARGA HERMAL SA DE C | | | SCAC4 |
| 56 | TXDI | TRANSMETRO EXPRESS DELIVERY INC | | | SCAC4 |
| 57 | TXDL | TEAM EXPRESS DELIVERY | | | SCAC4 |
| 58 | TXDP | TEXAS DEDICATED EXPRESS | | | SCAC4 |
| 59 | TXDQ | TRANSCO EXPRESS CORPORATION | | | SCAC4 |
| 60 | TXDR | TRANSPORT RAYAN | | | SCAC4 |
| 61 | TXDT | TRANS EXPEDITE TRUCKING LP | | | SCAC4 |
| 62 | TXE | Transaero Express | Callsign: Taxi, | RUS | AVCODES |
| 63 | TXE | Transilvania Express | | | ICAO1 |
| 64 | TXEB | TRANSPORTES ER | | | SCAC4 |
| 65 | TXEC | TRANSPORTATION EXPRESS LLC | | | SCAC4 |
| 66 | TXEF | TRANSPORTES ERG | | | SCAC4 |
| 67 | TXEH | TIME X EXPRESS | | | SCAC4 |
| 68 | TXEJ | TRANSX LTD (DOMESTIC USA TRUCKLOAD | | | SCAC4 |
| 69 | TXEL | TRANSPORT EXEL | | | SCAC4 |
| 70 | TXEO | TRANSPORTES EL TIO | | | SCAC4 |
| 71 | TXEQ | TRANS EXPERT INC | | | SCAC4 |
| 72 | TXF | Aerotaxis Alfe, S.A. de C.V. | Callsign: Alfe, | MEX | AVCODES |
| 73 | TXF | Aerotaxis Alfe | | | ICAO1 |
| 74 | TXFC | TRANS FRONT INC | | | SCAC4 |
| 75 | TXFD | TFI TRANSPORTATION INC | | | SCAC4 |
| 76 | TXFE | TRANSPORTES REFRIGERADOS EXPRESS | | | SCAC4 |
| 77 | TXFF | TRANSPORT TFF 2008 INC | | | SCAC4 |
| 78 | TXFH | TOMEX FREIGHT CO | | | SCAC4 |
| 79 | TXFI | TR TRANSFER INC | | | SCAC4 |
| 80 | TXFL | TRANSFREIGHT LOGISTICS INC | | | SCAC4 |
| 81 | TXFN | TRANSPORT SPITFIRE INC | | | SCAC4 |
| 82 | TXFO | TRANSPORTES FRANCO | | | SCAC4 |
| 83 | TXFR | TRANSPORTES FIGUEROA | | | SCAC4 |
| 84 | TXFS | TEXAS FREIGHT SERVICES INC | | | SCAC4 |
| 85 | TXFT | TEXOMA FREIGHT | | | SCAC4 |
| 86 | TXFW | TEXAS FREIGHTWAYS INC | | | SCAC4 |
| 87 | TXGA | TRANS GLOBAL AUTO LOGISTICS INC | | | SCAC4 |
| 88 | TXGB | TRANSPORTES GAAL | | | SCAC4 |
| 89 | TXGD | TRANSPORTES COLUNGA SA DE CV | | | SCAC4 |
| 90 | TXGH | TRANSCORR LLC (GP DEDICATED) | | | SCAC4 |
| 91 | TXGJ | TRANSFER TANGO SA DE CV | | | SCAC4 |
| 92 | TXGN | Texas, Gonzales & Northern Ry. Co. | added 7/1993; 1/1994-7/2000; eliminated 1/2003; 7/2005 | | NAKINA |
| 93 | TXGN | Texas, Gonzales & Northern Ry. Co. | added 7/93; 1/94-7/2000 | | NRHS |
| 94 | TXGN | TEXAS, GONZALES & NORTHERN RAILWAY COMPANY | | | PWRC |
| 95 | TXGN | Texas Gonzales and Northern Railway | | | RSRV |
| 96 | TXGN | TEXAS GONZALES & NORTHERN RAILWAY C | | | SCAC4 |
| 97 | TXGP | TRANSLOGISTICS LLC | | | SCAC4 |
| 98 | TXGR | TRANSPORTES GARZA | | | SCAC4 |
| 99 | TXGU | TEXTAINER EQUIPMENT MANAGEMENT LTD | | BM | BIC |
| 100 | TXGY | TRANSPORTES GARDUNO | | | SCAC4 |
