| 1 | NE | SkyEurope Airlines | ICAO: ESK, Callsign: Relax, Founded November in 2001. Commenced operations on 13 February 2002. Ceased operations on 01 September 2009. | SK | AVCODES |
| 2 | NE | Air Exel (UK) Ltd. | ICAO: EXX, Callsign: Excalibur, | GB | AVCODES |
| 3 | NE | Downeast Flying Services, Inc. d/b/a Northeast Airlines | ICAO: DOW, Name changed from Downeast Flying Services, Inc. d/b/a Downeast Express. IATA designator changed from E7 | USA | AVCODES |
| 4 | NE | Northeast Airlines, Inc. | Callsign: Northeast, | USA | AVCODES |
| 5 | NE | Nile Air | Callsign: November Echo, | ET | AVCODES |
| 6 | NE | Nardi S.p.A. | ICAO: NRD, Callsign: Nardi, | I | AVCODES |
| 7 | NE | Nesma Airlines | ICAO: NSS, Callsign: Nesma Connect, | SA | AVCODES |
| 8 | NE | Neusser Eisenbahn GmbH | Neuss | D | privat-bahn.de |
| 9 | NE | Neusser Eisenbahn | | D | TRAFFIC |
| 10 | NE | Neusser Eisenbahn | | DE | VKM |
| 11 | NEA | New England Airlines | IATA: EJ, Callsign: New England, | USA | AVCODES |
| 12 | NEA | New England Airlines | IATA: EJ | | ICAO1 |
| 13 | NEAB | NEWARK BOXBOARD CO | | | SCAC3 |
| 14 | NEAG | NEWTON AGRI-SYSTEMS INC | | | SCAC3 |
| 15 | NEAI | NEAL TRANSPORT INC | | | SCAC3 |
| 16 | NEAL | NEXT SEAFOOD CO INC | | | SCAC4 |
| 17 | NEAN | NORTH EAST TRANSFER INC | | | SCAC3 |
| 18 | NEAO | NAVARONE SA | | | SCAC4 |
| 19 | NEAP | NEW ENGLAND APPLE PRODUCTS CO INC | | | SCAC3 |
| 20 | NEAQ | NEALY ELLIS W | | | SCAC3 |
| 21 | NEAR | NEW ORLEANS CONTAINER TRUCKING LLC | | | SCAC4 |
| 22 | NEAS | NEALS TRANSPORT | | | SCAC3 |
| 23 | NEAS | NEA LOGISTICS | | | SCAC4 |
| 24 | NEAT | NORTHEAST CARRIERS | | | SCAC4 |
| 25 | NEAU | NORDEX ENERGY SPAIN | | E | BIC |
| 26 | NEAW | NATIONWIDE EXPEDITERS INC | | | SCAC4 |
| 27 | NEAX | Nemic Leasing Corp. | 1/1994-7/2005 (not listed) | | NAKINA |
| 28 | NEAX | Nealco-Monsanto Co. | 1/1950-7/1954; eliminated 7/1955 | | NAKINA |
| 29 | NEAX | New England Alcohol Co. | 7/1935-4/1947 | | NAKINA |
| 30 | NEAX | Nealco-Monsanto Co. | 4/38-1/52; eliminated 7/55 | | NRHS |
| 31 | NEAX | Nemic Leasing Corp. | 1/94-7/2000 | | NRHS |
| 32 | NEAX | *NEALCO-MONSANTO CO. [NEW ENGLAND ALCOHOL CO.] | | | PWRC |
| 33 | NEAX | +NEMLC LEASING CORPORATION | | | PWRC |
| 34 | NEAX | Nemic Leasing Corporation | | | RSRV |
| 35 | NEAY | NEALY ENTERPRISES OF MISSISSIPPI IN | | | SCAC3 |
| 36 | NEB | Dept. Of Aeronautics, State Of Nebraska | Callsign: Nebraska, | USA | AVCODES |
| 37 | NEB | State of Nebraska | | | ICAO1 |
| 38 | NEB | Niederbarnimer Eisenbahn-Betriebsgesellschaft mbH | Berlin | D | privat-bahn.de |
| 39 | NEB | Niederbarnimer Eisenbahn | | D | TRAFFIC |
| 40 | NEB | Niederbarnimer Eisenbahn | | DE | VKM |
| 41 | NEBA | NEAL BROTHERS TRUCKING LLC | | | SCAC4 |
| 42 | NEBB | NEB TRANSPORT | | | SCAC3 |
| 43 | NEBB | NEB Betriebsgesellschaft mbH | | DE | VKM |
| 44 | NEBD | NORTHEAST BUILDERS TRANSPORT INC | | | SCAC3 |
| 45 | NEBD | NORTHEAST BUILDERS TRANSPORT INC | | | SCAC4 |
| 46 | NEBE | NEBRASKA BEEF EXPRESS INC | | | SCAC3 |
| 47 | NEBE | NEBEKER TRUCKING INC | | | SCAC4 |
| 48 | NEBF | NEW ENGLAND BIOFILTER CORP | | | SCAC4 |
| 49 | NEBG | NORTH EAST BIO-GRIND LTD | | | SCAC4 |
| 50 | NEBI | NEBRASKALAND TRUCKING INC | | | SCAC3 |
| 51 | NEBI | NINE ZERO TWO NINE-TWO NINE NINE SI | | | SCAC4 |
| 52 | NEBJ | NEWHALL, BENJAMIN S | | | SCAC3 |
| 53 | NEBK | NEBRASKA BULK TRANSPORTS INC | | | SCAC3 |
| 54 | NEBKM | NITROERG S.A. | | PL | VKM |
| 55 | NEBN | N E B TRANSPORTATION & ASSOCIATES | | | SCAC3 |
| 56 | NEBO | NEWBOURNE EXPRESS | | | SCAC3 |
| 57 | NEBR | NELSON BROS INC | | | SCAC3 |
| 58 | NEBS | NEW BEDFORD STORAGE WAREHOUSE | | | SCAC3 |
| 59 | NEBT | NEBRASKA TRANSPORT CO | | | SCAC3 |
| 60 | NEBT | NEBRASKA TRANSPORT CO INC | | | SCAC4 |
| 61 | NEBV | NEBAM BV | | | SCAC4 |
| 62 | NEBW | NEW BRUNSWICK STORAGE WAREHOUSE | | | SCAC3 |
| 63 | NEBY | NEWBERRY INC | | | SCAC4 |
| 64 | NEC | Necon Air Ltd. | IATA: 3Z, Callsign: Necon Air, IATA Prefix: 741, Designator 3Z reinstated by IATA. Established 14 September 1992. Suspended flights in 2003 due to financial difficulties. | NEP | AVCODES |
| 65 | NEC | Necon Air | | | ICAO1 |
| 66 | NEC | NORTHEAST CORRIDER (AMTRAK) | | | PWRC |
| 67 | NECA | NELSON, CLARENCE A | | | SCAC3 |
| 68 | NECC | NEW ENGLAND CARTAGE CORP | | | SCAC3 |
| 69 | NECD | NEW ENGLAND COURIER INC | | | SCAC3 |
| 70 | NECG | NEWCOM SERVATICE GENTS INC | | | SCAC3 |
| 71 | NECG | NOW EXPRESS CARTAGE INC | | | SCAC4 |
| 72 | NECH | NEW CHARTER BUS SERVICE INC | | | SCAC3 |
| 73 | NECI | NORTHEAST CORRIDOR EXPRESS INC | | | SCAC3 |
| 74 | NECJ | NEC TRADE SERVICE LTD | | | SCAC3 |
| 75 | NECK | Neckarwerke | | D | TRAFFIC |
| 76 | NECL | NEWCORP LEASING INC | | | SCAC3 |
| 77 | NECM | NEWCOMB OIL CO LLC | | | SCAC4 |
| 78 | NECN | NEW-CON TRANSPORTATION INC | | | SCAC3 |
| 79 | NECO | NECO TRANSPORT LTD | | | SCAC4 |
| 80 | NECP | NORTHEAST CARTAGE COMPANY INC | | | SCAC3 |
| 81 | NECP | NORTHEAST CARTAGE COMPANY INC | | | SCAC4 |
| 82 | NECQ | NEW CASTLE TRUCK SERVICE | | | SCAC3 |
| 83 | NECR | New England Central R.R., Inc. | added 7/1995; 7/2000-7/2005 | | NAKINA |
| 84 | NECR | New England Central R.R., Inc. | added 7/95; 7/2000 | | NRHS |
| 85 | NECR | NEW ENGLAND CENTRAL RAILROAD | | | PWRC |
| 86 | NECR | New England Central Railroad | | | RSRV |
| 87 | NECR | NEW ENGLAND CENTRAL RAILROAD INC | | | SCAC4 |
| 88 | NECR | New England Central | | USA | TRAFFIC |
| 89 | NECS | NEBRASKA COAST INC | | | SCAC3 |
| 90 | NECS | NEBRASKA COAST INC | | | SCAC4 |
| 91 | NECU | NAT SHIPPING BAGGING SERVICES LTD. & ASSOCIATES | | GB | BIC |
| 92 | NECU | NAT SHIPPING BAGGING SERVICES LTD & | | | SCAC4 |
| 93 | NECV | NEECE, VICTOR H | | | SCAC3 |
| 94 | NECW | NEW ENGLAND COACH LINES | | | SCAC3 |
| 95 | NECX | Mid-Am Equipment, Inc. | added 7/1981; 1/1994-7/2005; eliminated 7/2008 | | NAKINA |
| 96 | NECX | Northeastern Central Railcar Leasing, Inc. | added 1/1979; 1/1980; eliminated 4/1981 | | NAKINA |
| 97 | NECX | New England Coal & Coke Co. (Bethlehem Mines Corp.) | 8/1920 | | NAKINA |
| 98 | NECX | Northeastern Central Railcar Leasing, Inc. | added 1/79; 1/80; eliminated 4/81 | | NRHS |
| 99 | NECX | Mid-Am Equipment, Inc. | added 7/81; 1/94-7/2000 | | NRHS |
| 100 | NECX | *BETHLEHEM MINES CORP. [NEW ENGLAND CVOAL & COKE CO.] | | | PWRC |
