| 1801 | NECM | NEWCOMB OIL CO LLC | | | SCAC4 |
| 1802 | NECN | NEW-CON TRANSPORTATION INC | | | SCAC3 |
| 1803 | NECO | NECO TRANSPORT LTD | | | SCAC4 |
| 1804 | NECP | NORTHEAST CARTAGE COMPANY INC | | | SCAC3 |
| 1805 | NECP | NORTHEAST CARTAGE COMPANY INC | | | SCAC4 |
| 1806 | NECQ | NEW CASTLE TRUCK SERVICE | | | SCAC3 |
| 1807 | NECR | New England Central R.R., Inc. | added 7/1995; 7/2000-7/2005 | | NAKINA |
| 1808 | NECR | New England Central R.R., Inc. | added 7/95; 7/2000 | | NRHS |
| 1809 | NECR | NEW ENGLAND CENTRAL RAILROAD | | | PWRC |
| 1810 | NECR | New England Central Railroad | | | RSRV |
| 1811 | NECR | NEW ENGLAND CENTRAL RAILROAD INC | | | SCAC4 |
| 1812 | NECR | New England Central | | USA | TRAFFIC |
| 1813 | NECS | NEBRASKA COAST INC | | | SCAC3 |
| 1814 | NECS | NEBRASKA COAST INC | | | SCAC4 |
| 1815 | NECU | NAT SHIPPING BAGGING SERVICES LTD. & ASSOCIATES | | GB | BIC |
| 1816 | NECU | NAT SHIPPING BAGGING SERVICES LTD & | | | SCAC4 |
| 1817 | NECV | NEECE, VICTOR H | | | SCAC3 |
| 1818 | NECW | NEW ENGLAND COACH LINES | | | SCAC3 |
| 1819 | NECX | Mid-Am Equipment, Inc. | added 7/1981; 1/1994-7/2005; eliminated 7/2008 | | NAKINA |
| 1820 | NECX | Northeastern Central Railcar Leasing, Inc. | added 1/1979; 1/1980; eliminated 4/1981 | | NAKINA |
| 1821 | NECX | New England Coal & Coke Co. (Bethlehem Mines Corp.) | 8/1920 | | NAKINA |
| 1822 | NECX | Northeastern Central Railcar Leasing, Inc. | added 1/79; 1/80; eliminated 4/81 | | NRHS |
| 1823 | NECX | Mid-Am Equipment, Inc. | added 7/81; 1/94-7/2000 | | NRHS |
| 1824 | NECX | *BETHLEHEM MINES CORP. [NEW ENGLAND CVOAL & COKE CO.] | | | PWRC |
| 1825 | NECX | +MID-AM EQUIPMENT, INC. [NORTHEASTERN RAILCAR LEASING, INC.] | | | PWRC |
| 1826 | NECX | Mid-Am Equipment | | | RSRV |
| 1827 | NECX | MID-AM EQUIPMENT INC | | | SCAC4 |
| 1828 | NECY | NICKS EXPRESS CO | | | SCAC4 |
| 1829 | NEDA | NELSON, DAVID & SON INC | | | SCAC3 |
| 1830 | NEDD | NEW DIMENSION TRUCKING INC | | | SCAC3 |
| 1831 | NEDD | NEW DIMENSION TRUCKING INC | | | SCAC4 |
| 1832 | NEDE | NATIONAL EXPEDITED DATA EXPRESS | | | SCAC3 |
| 1833 | NEDG | NICHOLSON, EDDY G | | | SCAC3 |
| 1834 | NEDG | NEPTEC DESIGN GROUP LTD | | | SCAC4 |
| 1835 | NEDJ | NEWTON, D J TRUCKING INC | | | SCAC3 |
| 1836 | NEDL | NORTHERN EXPEDITING LTD | | | SCAC4 |
| 1837 | NEDN | NEEDS, DANIEL E INC | | | SCAC3 |
| 1838 | NEDP | NEW DIXIE TRANSPORTS INC | | | SCAC4 |
| 1839 | NEDS | NEW DEAL DELIVERY SERVICE INC | | | SCAC3 |
| 1840 | NEDT | NEAL, ED TRUCKING | | | SCAC3 |
| 1841 | NEDTRAIN | | | NL | TRAFFIC |
| 1842 | NEDU | NEDRAC CONTAINER LINES | | | SCAC3 |
| 1843 | NEDU | NEDRAC CONTAINER LINES | | | SCAC4 |
| 1844 | NEE | Northeast Airlines | Callsign: Northeast, Northeast Express Regional Airlines d/b/a Northwest Airlink | USA | AVCODES |
| 1845 | NEE | Northeast Airlines | | | ICAO1 |
| 1846 | NEEA | NEWTON, EARL | | | SCAC3 |
| 1847 | NEEB | NEEB-KEARNEY INC | | | SCAC3 |
| 1848 | NEEB | NEEB-KEARNE | | | SCAC4 |
| 1849 | NEED | NEEDHAM, DON TRUCKING | | | SCAC4 |
| 1850 | NEEI | NEELY TRANSPORT INC | | | SCAC3 |
| 1851 | NEEL | NEW ENGLAND EXPRESS LINES | | | PWRC |
| 1852 | NEEL | NEW ENGLAND EXPRESS LINES | | | SCAC3 |
| 1853 | NEEM | NEE, E M, TRANSFER AND STORAGE | | | SCAC3 |
| 1854 | NEER | NEEDER TRANSPORT LTD | | | SCAC4 |
| 1855 | NEES | NEW ENGLAND EXECUTIVE SERVICE | | | SCAC3 |
| 1856 | NEET | NEEL TRANSPORTATION COMPANY INC | | | SCAC3 |
| 1857 | NEEW | NEEDHAM-WELLESLEY DISPATCH, INC | | | SCAC3 |
| 1858 | NEF | Nord-Flyg AB | Callsign: Nordex, Name changed to NordFlyg Logistik AB. | S | AVCODES |
| 1859 | NEF | NordFlyg Logistik AB | Callsign: Nordex, Name changed from Nord-Flyg AB. | S | AVCODES |
| 1860 | NEF | Nord-Flyg | | | ICAO1 |
| 1861 | NEFC | NEW ENGLAND FORWARDING COMPANY INC | | | SCAC3 |
| 1862 | NEFC | NINE ZERO EIGHT ZERO-FOUR NINE ONE | | | SCAC4 |
| 1863 | NEFE | NETTIFEE ENTERPRISES | | | SCAC4 |
| 1864 | NEFF | NETEX FROZEN FOODS INC | | | SCAC3 |
| 1865 | NEFF | NEGRETE FUENTE, FELIX FRANCISCO | | | SCAC4 |
| 1866 | NEFG | NEWCOMB, F W TRUCKING | | | SCAC3 |
| 1867 | NEFG | NEWCOMB WAREHOUSE INC | | | SCAC4 |
| 1868 | NEFI | NORTH EAST TRANSFER INC | | | SCAC4 |
| 1869 | NEFM | NEST EGG FARM | | | SCAC4 |
| 1870 | NEFN | NU-ERA FREIGHT LINES INC | | | SCAC4 |
| 1871 | NEFO | NEW HAVEN TERMINAL INC | | | SCAC3 |
| 1872 | NEFP | NORTHERN ESSEX FUEL CORP | | | SCAC4 |
| 1873 | NEFQ | NEFF, RAYMOND | | | SCAC3 |
| 1874 | NEFS | NORTHEAST FREIGHT SERVICES INC | | | SCAC4 |
| 1875 | NEFT | NEFF TRUCKING COMPANY, INC | | | SCAC3 |
| 1876 | NEFW | NELSON FREIGHTWAYS, INC | | | SCAC3 |
| 1877 | NEFX | Northeast Corridor Foundation | 7/2000-7/2005 (not listed) | | NAKINA |
| 1878 | NEFX | Northeast Corridor Foundation | Jul-00 | | NRHS |
| 1879 | NEFX | NORTHEAST CORRIDOR FOUNDATION | | | PWRC |
| 1880 | NEFX | Northeast Corridor Foundation | | | RSRV |
| 1881 | NEG | Linea Aerea de Fung. Aguas Negras, S.A. | Callsign: Aguas Negras, | RCH | AVCODES |
| 1882 | NEG | Linea Aerea de Fumig Aguas Negras | | | ICAO1 |
| 1883 | NEG | Norddeutsche Eisenbahngesellschaft Niebüll mbH | Niebüll | D | privat-bahn.de |
| 1884 | NEG | Norddeutschen Eisenbahn-Gesellschaft | | D | TRAFFIC |
| 1885 | NEG | Norddeutsche Eisenbahngesellschaft Niebüll GmbH | | DE | VKM |
| 1886 | NEGA | NEW ENGLAND AUTO PARTS | | | SCAC4 |
| 1887 | NEGC | NEW ENGLAND COURIERS INC | | | SCAC3 |
| 1888 | NEGD | NEW ENGLAND TRANSFER INC (A DIV OF | | | SCAC3 |
| 1889 | NEGE | NEW ENGLAND GREYHOUND EXPRESS | | | SCAC3 |
| 1890 | NEGG | NATIONAL ENGINEERING CO | | | SCAC3 |
| 1891 | NEGI | NORTHERN ENGINE & SUPPLY | | | SCAC3 |
| 1892 | NEGL | NE TRANSPORTATION LLC | | | SCAC4 |
| 1893 | NEGN | NEGRON MOVING EXPRESS & SHIPPING | | | SCAC3 |
| 1894 | NEGP | NEW GRAN PC | | | SCAC3 |
| 1895 | NEGS | New England Southern Rail Road Co. | 1/1994-7/2000; added 1/2001; 7/2005; eliminated 7/2005 | | NAKINA |
| 1896 | NEGS | New England Southern Rail Road Co. | 1/94-7/2000; added 1/2001 | | NRHS |
| 1897 | NEGS | NEW ENGLAND SOUTHERN RAILROAD CO. | | | PWRC |
| 1898 | NEGS | New England Southern Railroad | | | RSRV |
| 1899 | NEGS | NEW ENGLAND SOUTHERN RAILROAD CO IN | | | SCAC3 |
| 1900 | NEGU | NORTH EUROPE-U S GULF FREIGHT ASSOC | | | SCAC3 |
