| 1 | TEX | C.A.T.E.X. Compagnie Aérien de Transports Executives | Callsign: CATEX, | F | AVCODES |
| 2 | TEX | Freedom Jets, LLC | Callsign: Big Tex, | USA | AVCODES |
| 3 | TEX | Catex | | | ICAO1 |
| 4 | TEX | Texas Petroleum Products Co. | 7/1930-7/1932; 7/1937 (not listed) | | NAKINA |
| 5 | TEX | CHEVRON-TEXACO [TEXACO, INC.; TEXAS PETROLEUM PRODUCTS CO.] | | | PWRC |
| 6 | TEXB | TIME EXPRESS INC | | | SCAC3 |
| 7 | TEXB | TRANS ONTARIO EXPRESS | | | SCAC4 |
| 8 | TEXC | Texas Central R.R. Co. | 4/1970-1/1980; eliminated 7/1992; 1/1994-7/2005 | | NAKINA |
| 9 | TEXC | Texas Central R.R. Co. | 4/70-1/80; eliminated 7/92; 1/94-7/2000 | | NRHS |
| 10 | TEXC | TEXAS CENTRAL RAILROAD CO. | | | PWRC |
| 11 | TEXC | Texas Central Railroad | | | RSRV |
| 12 | TEXC | TEXAS CENTRAL RAILROAD COMPANY | | | SCAC3 |
| 13 | TEXC | Texas Central R.R. Co. | | USA | TRAFFIC |
| 14 | TEXD | TRINITY EXPEDITING | | | SCAC3 |
| 15 | TEXE | TRANSAMERICAN EXPRESS INC | | | SCAC3 |
| 16 | TEXE | TRANSBORDER EXPRESS | | | SCAC4 |
| 17 | TEXH | TABER EXHIBIT COMPANY INC | | | SCAC4 |
| 18 | TEXI | TEX-EXPRESS INC | | | SCAC3 |
| 19 | TEXJ | TEXAS SOUTHWEST TRANSPORT LTD | | | SCAC4 |
| 20 | TEXK | TRI-EX TRUCKING LTD | | | SCAC4 |
| 21 | TEXL | TREMBLAY EXPRESS LTEE | | | SCAC3 |
| 22 | TEXM | TEX-MEX TRANSPORTATION INC | | | SCAC3 |
| 23 | TEXO | TROXELL ENTERPRISES | | | SCAC4 |
| 24 | TEXR | TEAM EXPRESS INC | | | SCAC3 |
| 25 | TEXR | TRAFFIC EXPRESS INC | | | SCAC4 |
| 26 | TEXS | TS EXPRESS, INC | | | SCAC3 |
| 27 | TEXS | TS EXPRESS/ALTO SYSTEMS INC | | | SCAC4 |
| 28 | TEXT | TRANSPORTES MIXTOS NORESTE SA DE CV | | | SCAC4 |
| 29 | TEXU | TEXTAINER EQUIPMENT MANAGEMENT LTD | | BM | BIC |
| 30 | TEXU | *TEXAS UTILITIES GENERAL CO. | | | PWRC |
| 31 | TEXU | *TEXTAINER INCORPORATED | | | PWRC |
| 32 | TEXU | Textainer | | | RSRV |
| 33 | TEXU | TEXTAINER INCORPORATED | | | SCAC3 |
| 34 | TEXU | TEXTAINER INCORPORATED | | | SCAC4 |
| 35 | TEXV | TEXAS-VERMONT TRANSPORT INC | | | SCAC3 |
| 36 | TEXV | TEX TRUCKING INTERNACIONAL S A DE C | | | SCAC4 |
