| 5901 | ETS | EVANS TRANSPORTATION SERVICE | | | SCAC4 |
| 5902 | ETS | Edmonton Transit System | | CDN | TRAFFIC |
| 5903 | ETSB | ETS EXPRESS LINE LTD | | | SCAC4 |
| 5904 | ETSC | EDWARDS TRANSFER AND STORAGE COMPANY | | | SCAC3 |
| 5905 | ETSC | EDWARDS TRANSFER & STORAGE CO | | | SCAC4 |
| 5906 | ETSE | ENTERPRISE TRAILER SERVICE | | | SCAC3 |
| 5907 | ETSE | ENTERPRISE TRAILER SERVICE | | | SCAC4 |
| 5908 | ETSG | EDMOND TRANSFER & STORAGE INC | | | SCAC3 |
| 5909 | ETSI | ELLIOTT TRANSPORTATION SERVICES LLC | | | SCAC4 |
| 5910 | ETSM | EXPRESS TRANSPORTATION SYSTEMS 538 | | | SCAC3 |
| 5911 | ETSN | EDMUNDS TRANSPORT SERVICES INC | | | SCAC3 |
| 5912 | ETSN | ETS | | | SCAC4 |
| 5913 | ETSO | ELITE TRANSPORTATION SERVICES | | | SCAC4 |
| 5914 | ETSQ | ETS INC | | | SCAC3 |
| 5915 | ETSQ | ELLIOTT TRANSPORT SYSTEMS INC | | | SCAC4 |
| 5916 | ETSR | EXEMPT TRANSPORTATION SERVICES (DIV | | | SCAC3 |
| 5917 | ETSR | EXPRESS TRANSPORT LOGISTICS INC | | | SCAC4 |
| 5918 | ETSS | EVERGREEN TRANSPORTATION SERVICES I | | | SCAC3 |
| 5919 | ETSS | ENVIRONMENTAL TILLAGE SYSTEMS INC | | | SCAC4 |
| 5920 | ETST | EDS TIRE SERVICE (1993) LTD | | | SCAC4 |
| 5921 | ETSU | {JSC "EUROSIB SPB-TS"};ZIPCODE=197046 | | RUS | BIC |
| 5922 | ETSV | EXECUTIVE TRANSPORTATION SERVICES I | | | SCAC3 |
| 5923 | ETSV | EITELS TOWING SERVICE INC | | | SCAC4 |
| 5924 | ETSW | EXEL TRANSPORTATION SERVICES INTERN | | | SCAC4 |
| 5925 | ETSX | Emery Tree Service, Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 5926 | ETSX | Schoenwald Tank Car Co. | added 7/1958; 4/1961; eliminated 1/1965 | | NAKINA |
| 5927 | ETSX | E.T. Schoenwald | 1/1952-10/1957; eliminated 7/1958 | | NAKINA |
| 5928 | ETSX | E.T. Schoenwald | 1/52-10/57; eliminated 7/58 | | NRHS |
| 5929 | ETSX | Schoenwald Tank Car Co. | added 7/58; 4/61; eliminated 1/65 | | NRHS |
| 5930 | ETSX | Emery Tree Service, Inc. | Jul-00 | | NRHS |
| 5931 | ETSX | *SCHOENWALD TANK CAR CO. [E.T. SCHOENWALD] | | | PWRC |
| 5932 | ETSX | +EMERY TREE SERVICE, INC. | | | PWRC |
| 5933 | ETSX | Emery Tree Service | | | RSRV |
| 5934 | ETSX | EMERY TREE SERVICE, INC. | | | SCAC4 |
| 5935 | ETSY | EXTREME TRANSPORTATION SERVICES LLC | | | SCAC4 |
| 5936 | ETSZ | ALLIANCE SHIPPERS INC | | | SCAC4 |
| 5937 | ETT | ETT Aviation Services Limited | Callsign: Ettair, | GB | AVCODES |
| 5938 | ETTA | ELECTRONIC TRANSPORT INC | | | SCAC3 |
| 5939 | ETTC | E-TOWN TRUCKING COMPANY INC | | | SCAC3 |
| 5940 | ETTC | E T TRUCKING LLC | | | SCAC4 |
| 5941 | ETTD | ELITE TRANSPORTATION INC | | | SCAC4 |
| 5942 | ETTE | ELLETT EXPRESS | | | SCAC3 |
| 5943 | ETTE | E & T TRUCKING | | | SCAC4 |
| 5944 | ETTG | E T TRUCKING | | | SCAC3 |
| 5945 | ETTH | E T TRANSPORTATION INC | | | SCAC4 |
| 5946 | ETTI | ELL TRANSPORT INC | | | SCAC3 |
| 5947 | ETTK | ERNST TRUCKING | | | SCAC3 |
| 5948 | ETTL | E T TRANSPORT AYERS CLIFF (1962) LT | | | SCAC3 |
| 5949 | ETTL | ETA TRUCKING LLC | | | SCAC4 |
| 5950 | ETTN | ENTERTAINMENT TRANSPORTATION | | | SCAC3 |
| 5951 | ETTN | E T TRANSPORT | | | SCAC4 |
| 5952 | ETTO | E T TRANSPORTATION INC | | | SCAC3 |
| 5953 | ETTP | E THREE (3) TRANSPORT | | | SCAC4 |
| 5954 | ETTR | ETTER, BRUCE | | | SCAC3 |
| 5955 | ETTS | ETJ TRANSPORTATION SERVICES INC | | | SCAC3 |
| 5956 | ETTS | E TWO (E2) TRANSPORT | | | SCAC4 |
| 5957 | ETTT | EAST CONTINENTAL INC | | | SCAC3 |
| 5958 | ETTT | EAST TENNESSEE TRUCK LINES INC | | | SCAC4 |
| 5959 | ETTU | ELBTAINER GMBH | | D | BIC |
| 5960 | ETTX | TTX Co. | added 1/1992; 1/1994-7/2005 | | NAKINA |
| 5961 | ETTX | Trailer Train Co. | added 1/1962; 7/1965-1/1980; eliminated 1/1992 | | NAKINA |
| 5962 | ETTX | Trailer Train Co. | added 1/1962 | | NAKINA |
| 5963 | ETTX | Trailer Train Co. (FCS flat cars equipped with adjustable height tri-level automobile carrying superstructures furnished by member railroads. Cars are not equipped with hitches and bridge plates) | 4/1963 | | NAKINA |
| 5964 | ETTX | Trailer Train Co. (FA flat cars equipped with adjustable height tri-level automobile carrying superstructures furnished by member railroads. Cars are not equipped with hitches and bridge plates) | 7/1965-10/1968 | | NAKINA |
| 5965 | ETTX | Trailer Train Co. (flat cars equipped with elevating tri-level auto racks furnished by member railroads) | 4/1970 | | NAKINA |
| 5966 | ETTX | Trailer Train Co./TTX Co. (flat cars equipped with fully enclosed tri-level auto racks furnished by participant railroads) | 1/1975-1/1994; eliminated 1/1992 | | NAKINA |
| 5967 | ETTX | TTX Co. (flat cars, equipped with fully enclosed tri-level auto racks furnished by participant railroads, equipped with end of car cush.) | 7/2000 | | NAKINA |
| 5968 | ETTX | Trailer Train Co. | added 1/62; 7/65 | | NRHS |
| 5969 | ETTX | Trailer Train Co. (FA flat cars equipped with adjustable height tri-level automobile carrying superstructures furnished by member railroads. Cars are not equipped with hitches and bridge plates) | 10/66-10/68 | | NRHS |
| 5970 | ETTX | Trailer Train Co. | Apr-70 | | NRHS |
| 5971 | ETTX | Trailer Train Co. (flat cars equipped with fully enclosed tri-level auto racks furnished by participant railroads) | 1/75-1/80; eliminated 1/92 | | NRHS |
| 5972 | ETTX | TTX Co. (flat cars equipped with fully enclosed tri-level auto racks furnished by participant railroads) | added 1/92; 1/94 | | NRHS |
| 5973 | ETTX | TTX Co. (flat cars, equipped with fully enclosed tri-level auto racks furnished by participant railroads, equipped with end of car cush.) | Jul-00 | | NRHS |
| 5974 | ETTX | *EAST TEXAS TRANSPORTATION CO. | | | PWRC |
| 5975 | ETTX | +TTX COMPANY | | | PWRC |
| 5976 | ETTX | Trailer Train (TTX Corporation) | | | RSRV |
| 5977 | ETTX | TTX COMPANY | | | SCAC4 |
| 5978 | ETU | Eastunion, LLC | | RUS | AVCODES |
| 5979 | ETUG | ENTERPRISE TRUCKING | | | SCAC4 |
| 5980 | ETUL | ETL | | | SCAC4 |
| 5981 | ETUS | ELLESS TRUCK SERVICE | | | SCAC3 |
| 5982 | ETV | European Executive Ltd. | Callsign: Euro Exec, | GB | AVCODES |
| 5983 | ETV | European Executive | | | ICAO1 |
| 5984 | ETVD | ETTESVOLD, DALE | | | SCAC3 |
| 5985 | ETVI | ETV INC | | | SCAC3 |
| 5986 | ETW | Eagle Trans Asia Airways Corp. | Callsign: Eagle Trans, | RP | AVCODES |
| 5987 | ETW | EAST TENNESSEE & WESTERN NORTH CAROLINA RAILROAD (TWEETSIE) | | | PWRC |
| 5988 | ETWH | EMPIRE TERMINAL WAREHOUSE | | | SCAC3 |
| 5989 | ETWI | EVERGREEN TRUCKING & WAREHOUSE CO I | | | SCAC3 |
| 5990 | ETWI | EVERGREEN TRUCKING & WAREHOUSE CO I | | | SCAC4 |
| 5991 | ETWN | East Tennessee and Western North Carolina R.R. Co. | 1/1975-1/1980; eliminated 1/1984 | | NAKINA |
| 5992 | ETWN | East Tennessee and Western North Carolina R.R. Co. | 1/75-1/80 | | NRHS |
| 5993 | ETWN | EAST TENNESSEE & WESTERN NORTH CAROLINA RAILROAD (TWEETSIE) | | | PWRC |
| 5994 | ETWN | E-TOWN EXPRESS | | | SCAC4 |
| 5995 | ETWQ | ELLINGTON TRANSFER & WAREHOUSE COMP | | | SCAC3 |
| 5996 | ETWQ | EAGLE TOWING EQUIPMENT LTD | | | SCAC4 |
| 5997 | ETWT | EAST-WEST TRUCKING INC | | | SCAC3 |
| 5998 | ETWV | E-TOWN MOVING AND STORAGE INC | | | SCAC4 |
| 5999 | ETWW | EAST TENNESSEE & WESTERN NORTH CAROLINA RAILROAD (TWEETSIE) | | | PWRC |
| 6000 | ETX | European Air Taxi | Callsign: Neat, | GB | AVCODES |
