| 3301 | EM | Aero Benin S.A. | ICAO: AEB, Callsign: Aeroben, Designator EM* recalled by IATA | DY | AVCODES |
| 3302 | EM | Heli Air Monaco | ICAO: MCM, Callsign: Echo Mike, | MC | AVCODES |
| 3303 | EM | Edgemoor & Manetta Ry. | 1/1975-7/2005 | | NAKINA |
| 3304 | EM | Erie & Michigan Ry. & Navigation Co. | 1/1941-4/1947 | | NAKINA |
| 3305 | EM | Edgemoor & Manetta Ry. | 1/75-7/2000 | | NRHS |
| 3306 | EM | *EAGLES MERE RR | | | PWRC |
| 3307 | EM | +EDGMOOR & MANETTA RY. | | | PWRC |
| 3308 | EM | Edgemoor and Manetta Railway | | | RSRV |
| 3309 | EMA | Egyptian Aviation Company | | ET | AVCODES |
| 3310 | EMA | Egyptian Aviation Company | | | ICAO1 |
| 3311 | EMA | Estonian Military Aviation | | EST | TRAFFIC |
| 3312 | EMAB | ETERNOD MARTINEZ, ALBERTO | | | SCAC4 |
| 3313 | EMAC | EMAC TRANSPORT CO INC | | | SCAC3 |
| 3314 | EMAC | E M A TRANSPORT SERVICES | | | SCAC4 |
| 3315 | EMAD | EMERALD TRANSPORT COMPANY | | | SCAC3 |
| 3316 | EMAE | EMERALD EXPRESS INC | | | SCAC3 |
| 3317 | EMAE | EMBASS | | | SCAC4 |
| 3318 | EMAF | EL MUCHACHO ALEGRE TRUCKING | | | SCAC4 |
| 3319 | EMAG | EMPIRE AG TRANSPORT | | | SCAC3 |
| 3320 | EMAG | EMERALD TOURS | | | SCAC4 |
| 3321 | EMAH | ECONOMY MOVING AND STORAGE LLC (HAL | | | SCAC4 |
| 3322 | EMAI | EMERALD | | | SCAC3 |
| 3323 | EMAI | EMERALD AGENCIES INC | | | SCAC4 |
| 3324 | EMAJ | EMAN TRANSPORT LLC | | | SCAC4 |
| 3325 | EMAK | E-MACK SERVICE INC | | | SCAC3 |
| 3326 | EMAN | EMANUEL TIRE COMPANY | | | SCAC4 |
| 3327 | EMAO | ELFS MANAGEMENT INC | | | SCAC4 |
| 3328 | EMAR | EMERALD AIR SERVICE INC | | | SCAC3 |
| 3329 | EMAS | EDDY MESSENGER SERVICE INC | | | SCAC3 |
| 3330 | EMAS | EMI SCHIFFAHRT GMBH | | | SCAC4 |
| 3331 | EMAT | ENTERPRISE MATERIALS CORPORATION | | | SCAC3 |
| 3332 | EMAU | SEACO SRL | | BDS | BIC |
| 3333 | EMAU | SNTM-CNAN | | | SCAC4 |
| 3334 | EMAV | EAGLE INTERMODAL | | | SCAC4 |
| 3335 | EMAX | EMAS | 1/1994-7/2005 (not listed) | | NAKINA |
| 3336 | EMAX | EMAS | 1/94-7/2000 | | NRHS |
| 3337 | EMAX | EMAS | | | PWRC |
| 3338 | EMAX | EMAS | | | RSRV |
| 3339 | EMAX | EMAS | | | SCAC4 |
| 3340 | EMB | Empresa Brasileira de Aeronautica, S/A | Callsign: Embraer, | BR | AVCODES |
| 3341 | EMB | Empresa Brasileira De Aeronautica | | | ICAO1 |
| 3342 | EMBA | EMBASSY LIMOUSINE SERVICE INC | | | SCAC3 |
| 3343 | EMBA | EMBASS | | | SCAC4 |
| 3344 | EMBB | Eisenbahnmuseum Bayerischer Bahnhof zu Leipzig r.V. | Leipzig-Plagwitz | D | privat-bahn.de |
| 3345 | EMBB | Eisenbahnmuseum Bayerischer Bahnhof zu Leipzig e.V | | DE | VKM |
| 3346 | EMBC | E & M BUS CORP | | | SCAC3 |
| 3347 | EMBC | EMPIRE BULK CARRIERS | | | SCAC4 |
| 3348 | EMBE | EMBERS EXPRESS TRUCKING COMPANY INC | | | SCAC3 |
| 3349 | EMBE | ENTERPRISE | | | SCAC4 |
| 3350 | EMBF | EMBASSY FREIGHT INTERNATIONAL LLC | | | SCAC4 |
| 3351 | EMBG | EMBA GROUP INC | | | SCAC3 |
| 3352 | EMBG | EMB MFG INC | | | SCAC4 |
| 3353 | EMBL | EMBASSY LIMOUSINES | | | SCAC3 |
| 3354 | EMBL | EMBERLEYS TRANSPORT LTD | | | SCAC4 |
| 3355 | EMBR | EMBRO FARM SYSTEMS | | | SCAC4 |
| 3356 | EMBS | EMBUS INC | | | SCAC3 |
| 3357 | EMBU | NORAY CONTAINERS LOGISTICS, S.L. | | E | BIC |
| 3358 | EMBU | COMPAGNIE ELECTRO MECANIQUE | | | SCAC3 |
| 3359 | EMBY | EMBASS | | | SCAC4 |
| 3360 | EMC | ECONOWAY MOTOR COACH INC | | | SCAC4 |
| 3361 | EMCA | EAST MEMPHIS CARTAGE COMPANY | | | SCAC3 |
| 3362 | EMCB | EUROPA MARKET CO | | | SCAC4 |
| 3363 | EMCC | EMCO CHEMICAL DISTRIBUTORS INC | | | SCAC4 |
| 3364 | EMCD | ESTECASA MARITIME CO. LTD. | | | SCAC3 |
| 3365 | EMCE | EMC TRANSPORTATION | | | SCAC4 |
| 3366 | EMCG | EMCO GEARS | | | SCAC4 |
| 3367 | EMCH | EMERSON, CHARLES | | | SCAC3 |
| 3368 | EMCH | EASTERN MICHIGAN GRAIN | | | SCAC4 |
| 3369 | EMCI | EMERALD CITY INTERNATIONAL | | | SCAC3 |
| 3370 | EMCI | EXCEL MACHINE REPAIR | | | SCAC4 |
| 3371 | EMCK | EMERICK ENTERPRISES INC | | | SCAC3 |
| 3372 | EMCK | E & M TRUCKING COMPANY | | | SCAC4 |
| 3373 | EMCL | ESHAM, CHARLES T | | | SCAC3 |
| 3374 | EMCM | EMERALD COAST MOVING & STORAGE INC | | | SCAC3 |
| 3375 | EMCM | EMCO EXPRESS LLC | | | SCAC4 |
| 3376 | EMCN | EMPIRE CONTAINER & CHASSIS REPAIR I | | | SCAC3 |
| 3377 | EMCO | EXPEDIENT MARITIME COMPANY LIMITED, | | | SCAC3 |
| 3378 | EMCO | EXPRESS MARCO INC | | | SCAC4 |
| 3379 | EMCO | Erie Mining Company | Real: ERIE | USA | TRAFFIC |
| 3380 | EMCQ | EMCO GEARS CO INC | | | SCAC4 |
| 3381 | EMCS | EMERALD COAST STAGES INC | | | SCAC3 |
| 3382 | EMCT | EMO TRANS INC | | | SCAC3 |
| 3383 | EMCU | EVERGREEN MARINE CORP (TAIWAN) LTD | | RC | BIC |
| 3384 | EMCU | EVERGREEN MARINE CORP. | | | PWRC |
| 3385 | EMCU | Evergreen Marine Corporation | | | RSRV |
| 3386 | EMCU | EVERGREEN CONTAINER LINE | | | SCAC3 |
| 3387 | EMCU | EVERGREEN MARINE CORP LTD | | | SCAC4 |
| 3388 | EMCV | EMCEA INC | | | SCAC4 |
| 3389 | EMCW | EMC INCORPORATED | | | SCAC3 |
| 3390 | EMCW | EMERSON, C W TRANSPORT INC | | | SCAC4 |
| 3391 | EMCX | Eastern Fine Paper & Pulp Division, Standard Packaging Corp. | added 4/1959; eliminated 4/1961 | | NAKINA |
| 3392 | EMCX | Eastern Corp. | 1/1941-10/1957; eliminated 4/1959 | | NAKINA |
| 3393 | EMCX | Eastern Manufacturing Co. | 7/1930-4/1938 | | NAKINA |
| 3394 | EMCX | Eastern Manufacturing Co. | Apr-38 | | NRHS |
| 3395 | EMCX | Eastern Corp. | 1/52-10/57 | | NRHS |
| 3396 | EMCX | Eastern Fine Paper & Pulp Division, Standard Packaging Corp. | eliminated 4/61 | | NRHS |
| 3397 | EMCX | EASTERN FINE PAPER & PULP DIV. STANDARD PACKAGING CORP. [EASTERN CORP.; EASTERN MFG. CO.] | | | PWRC |
| 3398 | EMCZ | EVERGREEN INTERNATIONAL (USA) CORPORATION | | | PWRC |
| 3399 | EMCZ | Evergreen International | | | RSRV |
| 3400 | EMCZ | EVERGREEN CONTAINER LINE | | | SCAC3 |
