| 1 | ETC | African Transport Trading And Investment Co. (ATTICO) | IATA: ML, Callsign: Tranattico, | SUD | AVCODES |
| 2 | ETC | ATTICO | | | ICAO1 |
| 3 | ETC | East Texas Central R.R. | 7/2000; eliminated 1/2001; 7/2005 | | NAKINA |
| 4 | ETC | East Texas Central R.R. | 7/2000; eliminated 1/2001 | | NRHS |
| 5 | ETC | EAST TEXAS CENTRAL RAILROAD | | | PWRC |
| 6 | ETC | East Texas Central Railroad | | | RSRV |
| 7 | ETC | EAST TEXAS CENTRAL RAILROAD | | | SCAC4 |
| 8 | ETC | Excetera (Croydon Coaches) | | GB | TRAFFIC |
| 9 | ETCA | EMMANUEL TRANSPORT CORPORATION | | | SCAC3 |
| 10 | ETCB | EAGLE TRUCKING COMPANY INC | | | SCAC4 |
| 11 | ETCC | EAST COAST CARTAGE INC | | | SCAC3 |
| 12 | ETCC | E-TECH RECYCLING INC | | | SCAC4 |
| 13 | ETCE | ETCHBERGER | | | SCAC4 |
| 14 | ETCF | EFFICIENT TRANSPORT & CONSULTING LT | | | SCAC4 |
| 15 | ETCG | EAST TENNESSEE CARTAGE COMPANY INC | | | SCAC3 |
| 16 | ETCI | ETONIC INC | | | SCAC3 |
| 17 | ETCJ | E T C TRANSPORT INC | | | SCAC3 |
| 18 | ETCK | EXPRESS TRUCKING & COURIER INC | | | SCAC4 |
| 19 | ETCN | E T COMPANY | | | SCAC3 |
| 20 | ETCN | EDMUNDS TRUCKING COMPANY INC | | | SCAC4 |
| 21 | ETCO | ETI COMPANY | | | SCAC3 |
| 22 | ETCO | EXCLUSIVE TRANSPORTATION FOR INDUST | | | SCAC4 |
| 23 | ETCP | E T C TRANSPORT | | | SCAC3 |
| 24 | ETCP | ECONOMY TRANSPORT CORPORATION | | | SCAC4 |
| 25 | ETCQ | ENGLES TRUCKING CORP | | | SCAC3 |
| 26 | ETCQ | ENGLES TRUCKING CORPORATION | | | SCAC4 |
| 27 | ETCR | EAGLE TRUCKING CORP | | | SCAC3 |
| 28 | ETCS | EAST COAST TRANSPORT INC | | | SCAC3 |
| 29 | ETCU | ACL | | | SCAC4 |
| 30 | ETCW | ERICKSON TRANSFER CO OF WINONA | | | SCAC3 |
| 31 | ETCX | Eastman Chemical Co. | added 7/1994; 7/2000-7/2005 | | NAKINA |
| 32 | ETCX | Tennessee Eastman Co., Division of Eastman Kodak Co. | 4/1970-1/1994; eliminated 7/1994 | | NAKINA |
| 33 | ETCX | Tennessee Eastman Co., Division of Eastman Kodak Co. | 1/1952-7/1965 | | NAKINA |
| 34 | ETCX | Tennessee Eastman Co. | 10/1966 | | NAKINA |
| 35 | ETCX | Tennessee Eastman Corp. | 7/1923-1/1950 | | NAKINA |
| 36 | ETCX | Tennessee Eastman Corp. | Apr-38 | | NRHS |
| 37 | ETCX | Tennessee Eastman Co., Division of Eastman Kodak Co. | 1/52-7/65 | | NRHS |
| 38 | ETCX | Tennessee Eastman Co. | Oct-66 | | NRHS |
| 39 | ETCX | Tennessee Eastman Co., Division of Eastman Kodak Co. | 4/70-1/94; eliminated 7/94 | | NRHS |
| 40 | ETCX | Eastman Chemical Co. | added 7/94; 7/2000 | | NRHS |
| 41 | ETCX | EASTMAN CHEMICAL COMPANY, INC. [TENNESSEE EASTMAN CO.] | | | PWRC |
| 42 | ETCX | Tennessee Eastman (Eastman Chemical) | | | RSRV |
| 43 | ETCX | TENNESSEE EASTMAN CO | | | SCAC3 |
| 44 | ETCX | EASTMAN CHEMICAL COMPANY INC | | | SCAC4 |
| 45 | ETCY | E T C | | | SCAC3 |