| 4801 | EREI | ERDNER, EARL L INC | | | SCAC3 |
| 4802 | EREI | EIGHT (8) ROLLIN ENTERPRISE INC | | | SCAC4 |
| 4803 | EREL | ERICH RENTAL INC | | | SCAC3 |
| 4804 | EREL | ERICH RENTAL INC | | | SCAC4 |
| 4805 | EREN | ERIE ENTERPRISES INC | | | SCAC3 |
| 4806 | ERES | Erie Western Ry. Co. | added 1/1978; added 7/1978; eliminated 10/1979 | | NAKINA |
| 4807 | ERES | Erie Western Ry. Co. | added 1/78; added 7/78 | | NRHS |
| 4808 | ERES | ERIE WESTERN RWY. CO. | | | PWRC |
| 4809 | ERES | EUROPEAN RAILROAD ESTABLISHED SERVI | | | SCAC4 |
| 4810 | ERES | Erie Western Railroad | | USA | TRAFFIC |
| 4811 | ERET | ERNIES TOPSOIL SAND & GRAVEL | | | SCAC3 |
| 4812 | EREV | ENCOUNTER REVIVAL MINISTRIES INC | | | SCAC4 |
| 4813 | EREX | REXTAC LLC | | | SCAC4 |
| 4814 | ERF | Aerofatra | Callsign: Aerofatra, | SK | AVCODES |
| 4815 | ERF | Erfoto | Callsign: Erfoto, | P | AVCODES |
| 4816 | ERF | Erofey LLC t/a E-Cargo Airlines | IATA: RF, Callsign: Gulliver, IATA Prefix: 358, | RUS | AVCODES |
| 4817 | ERF | Erfoto | | | ICAO1 |
| 4818 | ERF | Esercizio Raccordi Ferroviari Di Porto Marghera S.P.A. | Porto di Venezia | I | TRAFFIC |
| 4819 | ERFD | ENNS RELATED FARMS LTD | | | SCAC4 |
| 4820 | ERFI | EXECUTIVE RELOCATION FORWARDERS INC | | | SCAC3 |
| 4821 | ERFS | ERNAT, MRS FRANK J AND SONS | | | SCAC3 |
| 4822 | ERFU | EUROTAINER SA | | F | BIC |
| 4823 | ERFU | ERMEFER S.A. | | | PWRC |
| 4824 | ERFU | Ermefer | | | RSRV |
| 4825 | ERFU | ERMEFER S.A. | | | SCAC3 |
| 4826 | ERFU | ERMEFER S A | | | SCAC4 |
| 4827 | ERFX | BALLARD TERMINAL RAILROAD COMPANY L | | | SCAC4 |
| 4828 | ERG | Aviaenergo | IATA: 7U, Callsign: Aviaenergo, IATA Prefix: 765, Founded in 1992. Ceased operations in 2011. Designator 7U reinstated by IATA. | RUS | AVCODES |
| 4829 | ERG | Avianergo | | | ICAO1 |
| 4830 | ERGC | EAGLE RECYCLING INC | | | SCAC4 |
| 4831 | ERGP | ENERGY RESOURCES GROUP | | | SCAC4 |
| 4832 | ERGS | ERGOCENTRIC SEATING SYSTEMS | | | SCAC4 |
| 4833 | ERGV | EL REY GUEVARA | | | SCAC4 |
| 4834 | ERGX | Hudson Logistics, Co. | added 1/2007; eliminated 10/2009 | | NAKINA |
| 4835 | ERGX | HUDSON LOGISTICS, CO. | | | PWRC |
| 4836 | ERGX | HUDSON LOGISTICS INC | | | SCAC4 |
| 4837 | ERH | Era Aviation Inc. | IATA: 7H, Callsign: Erah, IATA Prefix: 808, Name changed to Corvus Airlines, Inc. d/b/a Ravn Alaska. Name changed from Era Helicopters, Inc. | USA | AVCODES |
| 4838 | ERH | Era Helicopters, Inc. | Callsign: Erah, Name changed to Era Aviation | USA | AVCODES |
| 4839 | ERH | Era Helicopters | Callsign: Era Heli, ICAO callsign changed to Era. | USA | AVCODES |
| 4840 | ERH | Era Helicopters | Callsign: Era, ICAO callsign changed from Era Heli. | USA | AVCODES |
| 4841 | ERH | Era Helicopters | | | ICAO1 |
| 4842 | ERH | ERA Aviation | | USA | TRAFFIC |
| 4843 | ERHM | ERIXON HOG MARKET | | | SCAC3 |
| 4844 | ERI | Aero Servicios Regiomontanos, S.A. de C.V. | Callsign: Asergio, | MEX | AVCODES |
| 4845 | ERI | Aero Servicios Regiomontanos | | | ICAO1 |
| 4846 | ERIB | EARLY RISERS | | | SCAC4 |
| 4847 | ERIC | ERICKSON MOVING SERVICE | | | SCAC3 |
| 4848 | ERIC | ERIC TRANSPORT INTERNATIONAL | | | SCAC4 |
| 4849 | ERIE | Consolidated Rail Corp. | added 4/1976; 1/1980-1/1994; eliminated 7/1999 | | NAKINA |
| 4850 | ERIE | Erie Lackawanna Ry. Co., Thomas J. Patton and Ralph S. Tyler, Jr., Trustees | eliminated 4/1976 | | NAKINA |
| 4851 | ERIE | Erie Lackawanna R.R. Co. | 1/1975 | | NAKINA |
| 4852 | ERIE | Erie R.R. Co. (Erie Lackawanna R.R. Co.) | 10/1966 | | NAKINA |
| 4853 | ERIE | Erie R.R. (Co.) | 7/1923-7/1965 | | NAKINA |
| 4854 | ERIE | Erie R.R. | 4/38-7/65 | | NRHS |
| 4855 | ERIE | Erie R.R. Co. (Erie Lackawanna R.R. Co.) | Oct-66 | | NRHS |
| 4856 | ERIE | Erie Lackawanna R.R. Co. | Jan-75 | | NRHS |
| 4857 | ERIE | Erie Lackawanna Ry. Co., Thomas J. Patton and Ralph S. Tyler, Jr., Trustees | eliminated 4/76 | | NRHS |
| 4858 | ERIE | Consolidated Rail Corp. | added 4/76; 1/80-1/94; eliminated 7/99 | | NRHS |
| 4859 | ERIE | *CONSOLIDATED RAIL CORP. [ERIE LACKAWANNA RAILWAY; ERIE RAILROAD] | | | PWRC |
| 4860 | ERIE | *ERIE MINING COMPANY | | | PWRC |
| 4861 | ERIE | Erie Railroad (Norfolk Southern) | | | RSRV |
| 4862 | ERIE | Erie Railroad | | USA | TRAFFIC |
| 4863 | ERIH | EASTERDAY RANCHES INC | | | SCAC4 |
| 4864 | ERIJ | ERICKSON TRUCKING SERVICE INC | | | SCAC3 |
| 4865 | ERIJ | ERIE JAMES EXPRESS | | | SCAC4 |
| 4866 | ERIK | ERICKSON, GENE, TRUCKING, INC | | | SCAC3 |
| 4867 | ERIK | ERICKSON, GENE TRUCKING INC | | | SCAC4 |
| 4868 | ERIN | ERIN LIMOUSINE SERVICE INC | | | SCAC3 |
| 4869 | ERIP | ERIE-PITTSBURGH MOTOR EXPRESS | | | SCAC3 |
| 4870 | ERIR | ERIN TRNASPORT LTD | | | SCAC3 |
| 4871 | ERIR | ERIN TRNASPORT LTD | | | SCAC4 |
| 4872 | ERIS | E & R INDUSTRIAL SALES INC | | | SCAC3 |
| 4873 | ERIS | ERIE SHORES TRUCKING | | | SCAC4 |
| 4874 | ERIT | ERIE TRANSFER CO, INC | | | SCAC3 |
| 4875 | ERIT | Eritrean railway | | | TRAFFIC |
| 4876 | ERIU | ERONTRANS SP. Z.O.O | | PL | BIC |
| 4877 | ERIU | ERIC INTERNATIONAL LTD | | | SCAC3 |
| 4878 | ERIV | ERIEVIEW CARTAGE INC | | | SCAC3 |
| 4879 | ERIX | Eric Dewayne Hopp | 7/2005 (not listed) | | NAKINA |
| 4880 | ERIX | Empire Oil & Refining Co. | 7/1930-7/1937 | | NAKINA |
| 4881 | ERIX | Empire Refineries, Inc. | 7/1923 | | NAKINA |
| 4882 | ERIX | Producers Refining Co. (Empire Refineries, Inc.) | 8/1920 | | NAKINA |
| 4883 | ERIX | *EMPIRE OIL & REFINING CO. [PRODUCERS REFINING CO.] | | | PWRC |
| 4884 | ERIX | +ERIC DEWAYNE HOPP | | | PWRC |
| 4885 | ERIX | ERIX Railcar | | | RSRV |
| 4886 | ERIX | ERIC DEWAYNE HOPP | | | SCAC4 |
| 4887 | ERIXX | erixx GmbH | Die erixx GmbH ist ein 100-prozentiges Tochterunternehmen der Osthannoversche Eisenbahnen AG | D | TRAFFIC |
| 4888 | ERIXX | erixx GmbH | | DE | VKM |
| 4889 | ERIY | EVEREADY INDUSTRIAL SERVICES INC | | | SCAC4 |
| 4890 | ERJ | Eurojet Italia S.r.ll. | Callsign: Jet Italia, Ceased operations. | I | AVCODES |
| 4891 | ERJ | Eurojet Italia | | | ICAO1 |
| 4892 | ERJM | ERNST, J MARLIN | | | SCAC3 |
| 4893 | ERJT | EVANS, R J TRANSPORT | | | SCAC4 |
| 4894 | ERK | Aerosec | Callsign: Aerosec, | RCH | AVCODES |
| 4895 | ERK | Aerosec | | | ICAO1 |
| 4896 | ERKB | ERICKSON, BOB TRUCKING | | | SCAC3 |
| 4897 | ERKB | ERICKSON, BOB TRUCKING | | | SCAC4 |
| 4898 | ERKC | ERICKSON CONSTRUCTION | | | SCAC3 |
| 4899 | ERKC | ERICKSON TRUCKING | | | SCAC4 |
| 4900 | ERKD | EVINK, RONALD | | | SCAC4 |
