| 1101 | ECTQ | ECKERT TRANSFER | | | SCAC3 |
| 1102 | ECTS | EDCO TRANSPORT SERVICES INC | | | SCAC3 |
| 1103 | ECTT | ENDICOTT TRUCKING | | | SCAC3 |
| 1104 | ECTU | TRANS EUROPEAN CONTAINER UNIT SPA | | | SCAC4 |
| 1105 | ECTV | EXECUTIVE CENTRAL TRAVEL | | | SCAC3 |
| 1106 | ECTV | ECHOTA TRANSPORTATION LLC | | | SCAC4 |
| 1107 | ECTW | EAST COAST TOWING INC | | | SCAC3 |
| 1108 | ECTW | EAST COAST TOWING | | | SCAC4 |
| 1109 | ECU | Ecuavia Compania Limitada | Callsign: Ecuavia, | EC | AVCODES |
| 1110 | ECU | Ecuavia | | | ICAO1 |
| 1111 | ECUA | ECUATORIANA AIRLINES | | | SCAC4 |
| 1112 | ECUD | ECUADORIAN LINES INC. | | | PWRC |
| 1113 | ECUI | ECU LINE | | | SCAC4 |
| 1114 | ECUK | E & C TRUCKING INC | | | SCAC4 |
| 1115 | ECUL | ECU-LINE N V | | | SCAC3 |
| 1116 | ECUL | ECU-LINE N V | | | SCAC4 |
| 1117 | ECUN | ECU LINE USA LLC | | | SCAC3 |
| 1118 | ECUN | ECU LINE U S A LLC | | | SCAC4 |
| 1119 | ECUS | EXCLUSVIE COURIER SERVICE | | | SCAC3 |
| 1120 | ECUU | ECOPRO-M LLC | | RUS | BIC |
| 1121 | ECUU | TRANSECU FRIOSA | | | SCAC4 |
| 1122 | ECUX | Exxon Mobil Corp. | added 7/2000; 7/2000-7/2005 | | NAKINA |
| 1123 | ECUX | Exxon Chemical Americas | added 10/1981; 1/1994; eliminated 7/2000 | | NAKINA |
| 1124 | ECUX | Exxon Chemical Co. U.S.A. | 1/1980; eliminated 10/1981 | | NAKINA |
| 1125 | ECUX | Exxon Chemical Co. U.S.A. | 1/80; eliminated 10/81 | | NRHS |
| 1126 | ECUX | Exxon Chemical Americas | added 10/81; 1/94; eliminated 7/2000 | | NRHS |
| 1127 | ECUX | Exxon Mobil Corp. | added 7/2000; 7/2000 | | NRHS |
| 1128 | ECUX | EXXON CHEMICAL AMERICAS (EXXON-MOBIL CORP.) | | | PWRC |
| 1129 | ECUX | Exxon Chemical Americas (Exxon-Mobil Corporation) | | | RSRV |
| 1130 | ECUX | EXXON MOBIL CORPORATION | | | SCAC4 |
| 1131 | ECUX | Exxon Mobil Corp. | | USA | TRAFFIC |
| 1132 | ECV | Ecuatoguineana de Aviacion (EGA) | Callsign: Equatoguinea, | GQ | AVCODES |
| 1133 | ECV | Ecuatoguineana De Aviacion (EGA) | | | ICAO1 |
| 1134 | ECVA | EXCLUSIVE AIR TRANSPORT INC | | | SCAC3 |
| 1135 | ECVL | EAST COAST TANSFER AND STORAGE | | | SCAC3 |
| 1136 | ECVN | ECHO VAN LINES INC | | | SCAC4 |
| 1137 | ECVS | ERA COMPANIA NAVIERA SA | | | SCAC3 |
| 1138 | ECW | Eco Airways S.A. | Callsign: Ecotravel, | BF | AVCODES |
| 1139 | ECWG | EAST COAST TOWING INC | | | SCAC3 |
| 1140 | ECWH | E C WAREHOUSE | | | SCAC3 |
| 1141 | ECWH | ECONOMY PACKAGING INC | | | SCAC4 |
| 1142 | ECX | Ecomex Air Cargo, Lda. | Callsign: Air Ecomex, | ANG | AVCODES |
| 1143 | ECX | Ecomex Air Cargo | | | ICAO1 |
| 1144 | ECX | Constantin Refining Co. | 8/1920-7/1923 | | NAKINA |
| 1145 | ECX | Emeryville Chemical Co. | 7/1935-7/1954 | | NAKINA |
| 1146 | ECX | Emeryville Chemical Co. | 4/38-1/52 | | NRHS |
| 1147 | ECX | *CONSTANTIN REFINING CO. | | | PWRC |
| 1148 | ECX | *EMERYVILLE CHEMICAL CO. | | | PWRC |
| 1149 | ECXE | EVANS DELIVERY COMPANY INC (DIVISIO | | | SCAC4 |
| 1150 | ECXJ | ECOEXPRES | | | SCAC4 |
| 1151 | ECXN | ELLICOTT TRANSPORT INC | | | SCAC4 |
| 1152 | ECXP | EAST COAST EXPRESS | | | SCAC4 |
| 1153 | ECXQ | ECO TRANSPORTATION INC | | | SCAC4 |
| 1154 | ECXS | EURO CARGO EXPRESS INC | | | SCAC4 |
| 1155 | ECXT | E C TRANSPORTATION | | | SCAC4 |
| 1156 | ECXW | ECO TRANSPORT | | | SCAC4 |
| 1157 | ECXX | East Carbon Development Co. | added 10/2006 | | NAKINA |
| 1158 | ECXX | ECDC Environmental, L.C. | added 1/1995; 7/2000-7/2005; eliminated 10/2006 | | NAKINA |
| 1159 | ECXX | East Carbon Development Co. | 1/1994 (not listed) | | NAKINA |
| 1160 | ECXX | East Carbon Development Co. | Jan-94 | | NRHS |
| 1161 | ECXX | ECDC Environmental, L.C. | added 1/95; 7/2000 | | NRHS |
| 1162 | ECXX | EAST CARBON DEVELOPMENT COMPANY (ECDC ENVIRONMENTAL, LC) | | | PWRC |
| 1163 | ECXX | ECDC Environmental | | | RSRV |
| 1164 | ECXX | EAST CARBON DEVELOPMENT COMPANY | | | SCAC4 |
| 1165 | ECXX | East Carbon Development Co. | | USA | TRAFFIC |
| 1166 | ECY | Euroceltic Airways Limited | IATA: 5Q, Callsign: Echelon, Ceased Operations on 21 January 2003. Designator 5Q reinstated by IATA. Name changed from Atlantic Bridge AviationLtd. d/b/a Sky Trek Airlines | GB | AVCODES |
| 1167 | ECY | Euroceltic Airways | | | ICAO1 |
| 1168 | ECYO | ECONOMY OIL INC | | | SCAC4 |
| 1169 | ED | CC AIR, Inc. | ICAO: CDL, Callsign: Carolina, IATA Prefix: 354, Name changed from Sunbird Airlines, Inc. Designator ED recalled by IATA | USA | AVCODES |
| 1170 | ED | Aerolineas Nacicnales Del Ecuador, S.A. (Andes) | ICAO: EDA, Callsign: Andes, Founded in 1961. Commenced operations in October 1966. Ceased operations during 2001. | EC | AVCODES |
| 1171 | ED | Airblue Limited | ICAO: ABQ, Callsign: Pakblue, IATA designator changed from 2L | PK | AVCODES |
| 1172 | ED | Air Dominicana S.A. | ICAO: RDO, Callsign: Air Dom, Founded in 2008. Ceased operations during 2009. | DOM | AVCODES |
| 1173 | ED | AirExplore, s.r.o. | ICAO: AXE, Callsign: Galileo, IATA Prefix: 913, | SK | AVCODES |
| 1174 | EDA | Aerolineas Nacicnales Del Ecuador, S.A. (Andes) | IATA: ED, Callsign: Andes, Founded in 1961. Commenced operations in October 1966. Ceased operations during 2001. | EC | AVCODES |
| 1175 | EDA | Aerolineas Nacionales Del Ecuador | | | ICAO1 |
| 1176 | EDAS | EDSSONS ASSOCIATES | | | SCAC3 |
| 1177 | EDAT | EDWARDS, D & T TRUCKING | | | SCAC3 |
| 1178 | EDAT | ESCUADRA AZTECA | | | SCAC4 |
| 1179 | EDBC | Edmonton, Dunvegan & British Columbia Ry. Co. (Northern Alberta Rys. Co.) | 7/1930-7/1936 | | NAKINA |
| 1180 | EDBC | Edmonton, Dunvegan & British Columbia Ry. Co. | 7/1923 | | NAKINA |
| 1181 | EDBC | EDMONTON, DUNVEGAN & BRITISH COLUMBIA RWY. CO. | | | PWRC |
| 1182 | EDBC | EDNEY DISTRIBUTING CO INC | | | SCAC4 |
| 1183 | EDBI | EQUIPOS DE BORINQUEN INC | | | SCAC3 |
| 1184 | EDBI | ED SPELDY EAST COMPANY LTD | | | SCAC4 |
| 1185 | EDBK | EVANS, DAVE BULK CARRIERS INC | | | SCAC4 |
| 1186 | EDBT | EDUCATIONAL BUS TRANSPORTATION INC | | | SCAC3 |
| 1187 | EDBY | EDWARDS, BYRON A & SONS | | | SCAC3 |
| 1188 | EDC | Edinburgh Air Charter Limited | Callsign: Saltire, Name changed to Air Charter Scotland Ltd. | GB | AVCODES |
| 1189 | EDC | Air Charter Scotland Limited | Callsign: Saltire, Name changed from Edinburgh Air Charter Limited | GB | AVCODES |
| 1190 | EDC | Edinburgh Air Charter | | | ICAO1 |
| 1191 | EDCA | E D CONTRACT CARRIAGE INC | | | SCAC3 |
| 1192 | EDCA | E D CONTRACT CARRIAGE INC | | | SCAC4 |
| 1193 | EDCC | EDWARDS, C TRUCKING COMPANY | | | SCAC3 |
| 1194 | EDCH | EVERETT DISTRIBUTING COMPANY INC | | | SCAC4 |
| 1195 | EDCI | EDWARDS, C INC | | | SCAC3 |
| 1196 | EDCJ | ELEETS DISTRIBUTION CO INC | | | SCAC4 |
| 1197 | EDCL | EDCO TRANSPORT LLC | | | SCAC4 |
| 1198 | EDCM | ED-CO INC | | | SCAC3 |
| 1199 | EDCN | EDWAY CONSTRUCTION CO INC | | | SCAC3 |
| 1200 | EDCN | EDGECON CONTRACTING CORP | | | SCAC4 |
