| 1 | EQ | TAME Linea Aerea del Ecuador | ICAO: TAE, Callsign: Tame, IATA Prefix: 269, Ceased operations on 19 May 2020. | EC | AVCODES |
| 2 | EQ | Excalibur Airways Ltd. | ICAO: EXC, Callsign: Excalibur, Ceased operations | GB | AVCODES |
| 3 | EQ | Trans European Airways (UK) Ltd. d/b/a TEA (UK) Ltd. | ICAO: TUK, Callsign: Teastar, Ceased operations on 27 September 1991. | GB | AVCODES |
| 4 | EQ | Fly AO-Linhas Aereas, Limiteda d/b/a Fly AO Angola | ICAO: FLA, | ANG | AVCODES |
| 5 | EQA | Eagle Aviation Ltd. | IATA: Y4, Callsign: Magnum, IATA Prefix: 067, Ceased operations. | EAK | AVCODES |
| 6 | EQAA | ELMINI LIZARD, INC. | | | SCAC3 |
| 7 | EQAB | ELMINI LOAD, INC. | | | SCAC3 |
| 8 | EQAB | EQUIPMENTS LOURDS PAPINEAU INC | | | SCAC4 |
| 9 | EQAC | ELMINI LOGIC, INC. | | | SCAC3 |
| 10 | EQAD | ELMINI LOOM, INC. | | | SCAC3 |
| 11 | EQAD | EQUIPE SERVICE ENR | | | SCAC4 |
| 12 | EQAE | ELMINI LORY, INC. | | | SCAC3 |
| 13 | EQAF | ELMINI LOT INC. | | | SCAC3 |
| 14 | EQAF | EQ TRANSPORTATION INC | | | SCAC4 |
| 15 | EQAG | E N E AEGIALI LTD | | | SCAC3 |
| 16 | EQAH | ELMINI LUNAR, INC. | | | SCAC3 |
| 17 | EQAI | ELMINI LYMPH, INC. | | | SCAC3 |
| 18 | EQAI | EQUIPMENT ASSOCIATES INC | | | SCAC4 |
| 19 | EQAJ | ELMINI LEG, INC. | | | SCAC3 |
| 20 | EQAS | EAS LINE | | | SCAC3 |
| 21 | EQBC | EQUITABLE BAG CO INC | | | SCAC3 |
| 22 | EQC | Ecuatorial Cargo | Callsign: Ecua-Cargo, | GQ | AVCODES |
| 23 | EQC | Ecuatorial Cargo | | | ICAO1 |
| 24 | EQCE | E N E CRETE | | | SCAC3 |
| 25 | EQCI | EQUITY CARRIERS 111, INC | | | SCAC3 |
| 26 | EQCO | EQUITY CARRIERS 1, INC | | | SCAC3 |
| 27 | EQCX | Equa-Chlor LLC | added 7/2006; eliminated 7/2008 | | NAKINA |
| 28 | EQCX | EQUA-CHLOR LLC | | | PWRC |
| 29 | EQCX | EQUA-CHLOR LLC | | | SCAC4 |
| 30 | EQDA | ELCAPITAIN, INC. | | | SCAC3 |
| 31 | EQDB | ELCOMMODORE, INC. | | | SCAC3 |
| 32 | EQDC | ELFELLOWSHIP, INC. | | | SCAC3 |
| 33 | EQDC | EQUIPE DE COURSE D M INC | | | SCAC4 |
| 34 | EQDD | ELFILIKON, INC. | | | SCAC3 |
| 35 | EQDE | ELFONTANA, INC. | | | SCAC3 |
| 36 | EQDF | ELFORMA, INC. | | | SCAC3 |
| 37 | EQDG | ELFORTUNA, INC. | | | SCAC3 |
| 38 | EQDH | ELGRANDIOSA, INC. | | | SCAC3 |
| 39 | EQDI | ELITE, INC. | | | SCAC3 |
| 40 | EQDJ | ELLIAISON TRANSPORT | | | SCAC3 |
| 41 | EQDK | ELMADONNA, INC. | | | SCAC3 |
| 42 | EQDL | ELMONA, INC. | | | SCAC3 |
| 43 | EQDM | ELMOTORES, INC. | | | SCAC3 |
| 44 | EQDN | ALNAVIGATORS, INC. | | | SCAC3 |
| 45 | EQDN | EMPAQUES DEL NORTE SA DE CV | | | SCAC4 |
| 46 | EQDO | ELPRIMERO, INC. | | | SCAC3 |
| 47 | EQDP | ELPROGRESO, INC. | | | SCAC3 |
| 48 | EQDQ | ELREGINA, INC. | | | SCAC3 |
| 49 | EQDR | ELSEGURO, INC. | | | SCAC3 |
| 50 | EQDS | ELSEAFARERS, INC. | | | SCAC3 |
| 51 | EQDT | ELSERVICIO, INC. | | | SCAC3 |
| 52 | EQDV | ELSHIPPERS INC. | | | SCAC3 |
| 53 | EQDW | ELSOLAS, INC. | | | SCAC3 |
| 54 | EQEC | EQUIPMENT EXPRESS INC | | | SCAC4 |
| 55 | EQEI | EQUINE EXPRESS INC | | | SCAC3 |
| 56 | EQFD | EQUIFUND CO | | | SCAC3 |
| 57 | EQFL | E N E FALKONERA LTD | | | SCAC3 |
| 58 | EQFS | ESQUER FREIGHT SYSTEM | | | SCAC4 |
| 59 | EQHE | EQUIPO HERRAMIENTAS Y SEGURIDAD IND | | | SCAC4 |
| 60 | EQHL | EQUITABLE HOLDING CO LLC | | | SCAC4 |
| 61 | EQIN | EQ INDUSTRIAL SERVICES INC | | | SCAC4 |
| 62 | EQKD | E N E KIMOLOS LTD | | | SCAC3 |
| 63 | EQKO | E N E KOS LTD | | | SCAC3 |
| 64 | EQKO | E N E KOS I LTD | | | SCAC4 |
| 65 | EQL | Linhas Aereas de Air Sao Tome And Principe | IATA: KY, Callsign: Equatorial, IATA Prefix: 980, Designator KY recalled by IATA. Designator KY reinstated by IATA | STP | AVCODES |
| 66 | EQL | Equatorial Airlines of Sao Tome And Principe | Callsign: Equatorial, | STP | AVCODES |
| 67 | EQL | Air Sa~o Tomé and Príncipe | IATA: KY | | ICAO1 |
| 68 | EQLI | ECUADORIAN LINE INC | | | SCAC3 |
| 69 | EQLI | EXPRESS QUALITY LOGISTICS INC | | | SCAC4 |
| 70 | EQLP | EAGLE LOGISTICS SPOTTING | | | SCAC4 |
| 71 | EQLS | ESQUIRE LIMOUSINE SERVICE INC | | | SCAC3 |
| 72 | EQLS | EQUI-LINE PLUS | | | SCAC4 |
| 73 | EQMG | EQUIPMENT MANAGEMENT SERVICES INC | | | SCAC3 |
| 74 | EQMI | EQUIPEMENTS MASSE 1987 INC | | | SCAC4 |
| 75 | EQMT | EQUIPMENT TRANSPORTATION SERVICE IN | | | SCAC3 |
| 76 | EQNE | EQUINE TRANSPORTATION LTD | | | SCAC3 |
| 77 | EQNI | EQ NORTHEAST INC | | | SCAC4 |
| 78 | EQOS | EQUINOX SEAS LTD | | | SCAC4 |
| 79 | EQPF | EQUIPFIX | | | SCAC4 |
| 80 | EQPM | EQUIPMENT EXPRESS INC | | | SCAC4 |
| 81 | EQPS | EQUIPMENT SALES COMPANY | | | SCAC3 |
| 82 | EQPT | EQUIPEMENTS TREMZAC INC | | | SCAC4 |
| 83 | EQPU | INTERNATIONAL EQUIPMENT MANAGEMENT USA,LLC | | USA | BIC |
| 84 | EQPU | International Equipment Management USA | | | RSRV |
| 85 | EQR | Equatorial Congo Airlines Branded ECAir | Callsign: Equatorial Congo, Planned start-up. | GQ | AVCODES |
| 86 | EQRC | EQUIPMENT RENTAL COMPANY | | | SCAC3 |
| 87 | EQRO | EUROLING NAVIGATION INC. | | | SCAC3 |
| 88 | EQRU | TRITON CONTAINER INTERNATIONAL LTD | | BM | BIC |
| 89 | EQRU | Triton Container International | | | RSRV |
| 90 | EQRU | TRITON CONTAINER INTERNATIONAL CORP | | | SCAC4 |
| 91 | EQSA | EQUIPSA N V O C C INC | | | SCAC3 |
| 92 | EQSB | EQS BROKERAGE & LOGISTICS LLC | | | SCAC4 |
| 93 | EQSC | ENVIROQUIP S DE RL DE CV | | | SCAC4 |
| 94 | EQSD | EQUIPMENT SAVERS FLEET SERVICES | | | SCAC4 |
| 95 | EQSH | EQUATOR SHIPPING CO., LTD. | | | SCAC3 |
| 96 | EQSH | EQUITY SHAREHOLDINGS LTD | | | SCAC4 |
| 97 | EQSI | EQUIPMENT SUPPLIES INC | | | SCAC3 |
| 98 | EQSU | EQUIPSHIFT LTD | | GB | BIC |
| 99 | EQSU | ECOSTORM SPECIALIZED EQUIPMENT LTD | | | SCAC4 |
| 100 | EQSY | ENTREPRISE QUESY INC | | | SCAC4 |
