| 4201 | EODU | PENTALVER TRANSPORT LIMITED | | GB | BIC |
| 4202 | EOEP | EAGLE ONE EXPRESS | | | SCAC3 |
| 4203 | EOEP | EDWARDS GROUP | | | SCAC4 |
| 4204 | EOES | EK ONKAR EXPRESS | | | SCAC4 |
| 4205 | EOFF | EOFF, LOREN TRUCKING | | | SCAC3 |
| 4206 | EOFP | EIGHT ONE FIVE (815) PALLETS INC | | | SCAC4 |
| 4207 | EOFT | EIGHT ONE FIVE TWO ZERO THREE (8152 | | | SCAC4 |
| 4208 | EOGC | ENCORE LOGISTICS | | | SCAC4 |
| 4209 | EOGF | EOG FREIGHT SYSTEM INC | | | SCAC3 |
| 4210 | EOGX | Union Carbide Ethylene Oxide/Glycol Co., a Subsidiary of The Dow Chemical Co. U.S.A. | 7/2005 | | NAKINA |
| 4211 | EOGX | Union Carbide Ethylene Oxide/Glycol Co. | added 7/1984; 1/1994-7/2000 | | NAKINA |
| 4212 | EOGX | Union Carbide Ethylene Oxide/Glycol Co. | added 7/84; 1/94-7/2000 | | NRHS |
| 4213 | EOGX | UNION CARBIDE ETHYLENE OXIDE/GLYCOL CO. (DOW CHEMICAL CO. U.S.A.) | | | PWRC |
| 4214 | EOGX | Union Carbide Ethylene Oxide/Glycol Co. | | | RSRV |
| 4215 | EOGX | UNION CARBIDE ETHYLENE OXIDE/GLYCOL | | | SCAC4 |
| 4216 | EOHI | EXPRESS 100 INC | | | SCAC4 |
| 4217 | EOHU | ESPINA OBRAS HIDRAULICAS S.A | | E | BIC |
| 4218 | EOHU | ESPINA OBRAS HIDRAULICAS SA | | | SCAC4 |
| 4219 | EOIC | EAGLE OIL CO INC | | | SCAC4 |
| 4220 | EOIL | EDEN OIL CO INC | | | SCAC4 |
| 4221 | EOIN | EAGLE OIL INC | | | SCAC4 |
| 4222 | EOK | Aero K Airlines | IATA: RF, Callsign: Aerokorea, AOC acquired on 28 December 2020. Commenced operations on 14 April 2021. Name changed from KAIR Airlines. | PRK | AVCODES |
| 4223 | EOK | Aero K | | ROK | TRAFFIC |
| 4224 | EOL | Airailes | Callsign: Eole, | F | AVCODES |
| 4225 | EOL | Airailes | | | ICAO1 |
| 4226 | EOLC | EMERSON OIL CO INC | | | SCAC4 |
| 4227 | EOLI | EASY ON LOGISTICS INC | | | SCAC4 |
| 4228 | EOLL | ELITE OIL LLC | | | SCAC4 |
| 4229 | EOLO | EOLO FINANCIERA S A (PANAMA) | | | SCAC4 |
| 4230 | EOLS | EOLOS SHIPMANAGEMENT S A | | | SCAC4 |
| 4231 | EOLU | EXIM CONTAINER SERVICES PTE. LTD. | | SGP | BIC |
| 4232 | EOLU | EXIM CONTAINER SERVICES PRIVATE LTD | | | SCAC3 |
| 4233 | EOLU | EXIM CONTAINER SERVICES PTE LTD | | | SCAC4 |
| 4234 | EOLX | EOL LEASING LLC | | | SCAC4 |
| 4235 | EOM | Aero Ermes, S.A. de C.V. | Callsign: Aero Ermes, | MEX | AVCODES |
| 4236 | EOM | Aero Ermes | | | ICAO1 |
| 4237 | EOMO | EASTOMO COMPANY S A | | | SCAC3 |
| 4238 | EON | e-on Kraftwerke GmbH | | D | TRAFFIC |
| 4239 | EONE | EXPRESS ONE INC | | | SCAC4 |
| 4240 | EONO | ECONO CAR OF JACKSONVILLE | | | SCAC3 |
| 4241 | EOOI | ENVIRITE OF OHIO INC | | | SCAC4 |
| 4242 | EOP | Execujet Flight Operations (PTY) Ltd. | Callsign: Execujet Ops, | ZA | AVCODES |
| 4243 | EOP | Eolo Plus, S.A. de C.V. | Callsign: Eolo Plus, | MEX | AVCODES |
| 4244 | EOPX | Eastland Oil & Refining Co. | 8/1920 | | NAKINA |
| 4245 | EOPX | EASTLAND OIL & REFINING CO. | | | PWRC |
| 4246 | EORS | EASTERN OREGON RENTAL & SALES | | | SCAC4 |
| 4247 | EORU | ECORAIL INC | | | SCAC3 |
| 4248 | EORU | EURORA S R L | | | SCAC4 |
| 4249 | EORX | Cities Service Co. | added 4/1978; eliminated 7/1978 | | NAKINA |
| 4250 | EORX | Cities Service Pipe Line Co. | added 10/1967; 4/1970-1/1975; eliminated 4/1978 | | NAKINA |
| 4251 | EORX | Cities Service Oil Co. | added 4/1963; 7/1965-10/1966; eliminated 10/1967 | | NAKINA |
| 4252 | EORX | Cities Service Petroleum Co. | added 7/1962; eliminated 4/1963 | | NAKINA |
| 4253 | EORX | Cities Service Oil Co. | 1/1950-4/1961; eliminated 7/1962 | | NAKINA |
| 4254 | EORX | Cities Service Oil Co. of Delaware | 4/1938-4/1947 | | NAKINA |
| 4255 | EORX | Empire Oil & Refining Co. | 7/1937 | | NAKINA |
| 4256 | EORX | Cities Service Oil Co. of Delaware | Apr-38 | | NRHS |
| 4257 | EORX | Cities Service Oil Co. | 1/52-10/66; eliminated 10/67 | | NRHS |
| 4258 | EORX | Cities Service Pipe Line Co. | added 10/67; 4/70-1/75; eliminated 4/78 | | NRHS |
| 4259 | EORX | Cities Service Co. | added 4/78; eliminated 7/78 | | NRHS |
| 4260 | EORX | (CSOX) RETIRED 09-09-92 ATP (1190) [CITIES SERVICE OIL CO.] | | | PWRC |
| 4261 | EORX | Cities Service Oil Co. | | USA | TRAFFIC |
| 4262 | EOS | Eliossola Srl | Callsign: Eliossola, | I | AVCODES |
| 4263 | EOS | Eliossola | | | ICAO1 |
| 4264 | EOS | Swallow Coach Company (EOS) | | GB | TRAFFIC |
| 4265 | EOSN | ECHO OILFIELD SERVICES INC | | | SCAC4 |
| 4266 | EOSP | ELECTRO OPTICAS SUPERIOR S A DE C | | | SCAC4 |
| 4267 | EOSR | EXPRESS OCEAN SERVICES | | | SCAC4 |
| 4268 | EOSS | EAST OASIS INC | | | SCAC3 |
| 4269 | EOSU | SHELL CATALYSTS & TECHNOLOGIES PTE LTD | | SGP | BIC |
| 4270 | EOSU | CR/CRITERION MARKETING ASIA PACIFIC | | | SCAC4 |
| 4271 | EOTB | EAST OF THE BAY LLC | | | SCAC4 |
| 4272 | EOTI | ELITE OIL TRANSPORT INC | | | SCAC4 |
| 4273 | EOTL | EASY ON TAIL LIGHTS | | | SCAC4 |
| 4274 | EOTR | ECONOMY TRANSPORT CORP | | | SCAC3 |
| 4275 | EOTU | EUROPE ONLINE TRADE PLC. | | BG | BIC |
| 4276 | EOWX | Empire Oil Works, Inc. | 7/1930 | | NAKINA |
| 4277 | EOWX | Empire Oil Works, Inc. (Wolverine-Empire Refining Co.) | 7/1932 | | NAKINA |
| 4278 | EOWX | Empire Oil Works | 8/1920-7/1923 | | NAKINA |
| 4279 | EOWX | EMPIRE OIL WORKS, INC. (WOLVERINE-EMPIRE REFINING CO.) | | | PWRC |
| 4280 | EOX | Eduardo Osorio Robles | 4/1947 (not listed) | | NAKINA |
| 4281 | EOX | El Dorado Oil Works | 7/1937 (not listed) | | NAKINA |
| 4282 | EOX | *EL DORADO OIL WORKS | | | PWRC |
| 4283 | EOX | *EDUARDO OSORIO ROBLES | | | PWRC |
| 4284 | EP | Iran Asseman Airlines | ICAO: IRC, IATA Prefix: 815, Name changed to Iran Aseman Airlines | IR | AVCODES |
| 4285 | EP | Tropic Air Limited | ICAO: PMT, IATA designator changed to PM | BH | AVCODES |
| 4286 | EP | Aerolineas Peruanas, S.A. | ICAO: PRU, Callsign: Apsa, | PE | AVCODES |
| 4287 | EP | Iran Aseman Airline | ICAO: IRC, Callsign: Aseman, IATA Prefix: 815, Name changed from Iran Asseman Airlines | IR | AVCODES |
| 4288 | EP | EUROPORTE 2 | | FR | VKM |
| 4289 | EPA | Express Airways GmbH | Callsign: Express Farner, ICAO callsign changed to Exways | D | AVCODES |
| 4290 | EPA | Express Airways GmbH | Callsign: Exways, ICAO callsign changed from Express Farner | D | AVCODES |
| 4291 | EPA | Eastern Provincial Airways (1963) Ltd. | IATA: PV, Callsign: Provincial, Taken over by Canadian Pacific Airlines in 1986. Formerly Maritime Central Airways | CDN | AVCODES |
| 4292 | EPA | PT. Efata Papua Airlines | IATA: W2, Callsign: Efata, Commenced operations on 09 January 2006. Ceased operations in February 2007. | RI | AVCODES |
| 4293 | EPA | Shenzhen Donghai Airlines Co., Ltd. | IATA: J5, Callsign: Donghai Air, IATA Prefix: 844, Designator J5* recalled by IATA | PRC | AVCODES |
| 4294 | EPA | Donghai Airlines Co., Ltd. | IATA: DZ, Callsign: Donghai Air, IATA Prefix: 893, Designator J5* recalled by IATA | PRC | AVCODES |
| 4295 | EPA | Shenzhen Donghai Airlines | | | ICAO1 |
| 4296 | EPA | Donghai Airlines | | PRC | TRAFFIC |
| 4297 | EPAA | ECONOMY PRODUCE AND VEGETABLE | | | SCAC4 |
| 4298 | EPAC | EASTERN PA CARTAGE CO INC | | | SCAC3 |
| 4299 | EPAC | ENGLAND PAVING & CONTRACTING LTD | | | SCAC4 |
| 4300 | EPAF | EAGLE PROPANE AND FUELS | | | SCAC4 |
