| 2301 | NEX | Northern Executive Aviation | | | ICAO1 |
| 2302 | NEX | National Express | | GB | TRAFFIC |
| 2303 | NEXD | NEXT DAY MOTOR FREIGHT, INC | | | SCAC3 |
| 2304 | NEXD | NEXTDISTRIBUTION | | | SCAC4 |
| 2305 | NEXE | NEXT LEVEL TRANSPORTATION | | | SCAC4 |
| 2306 | NEXF | NATIONAL EXPRESS FORWARDERS CO LTD | | | SCAC3 |
| 2307 | NEXF | NEMELKA EXPRESS | | | SCAC4 |
| 2308 | NEXG | NEXT GENERATION EXPRESS LTD | | | SCAC4 |
| 2309 | NEXH | NIGHTLINE EXPRESS | | | SCAC4 |
| 2310 | NEXI | NEW ERA EXPORT CO INC | | | SCAC3 |
| 2311 | NEXI | NEXUS | | | SCAC4 |
| 2312 | NEXJ | NICHOLS EXCAVATION | | | SCAC4 |
| 2313 | NEXL | NEXTLOAD | | | SCAC4 |
| 2314 | NEXM | NEXT WAVE TRANSPORT INC | | | SCAC4 |
| 2315 | NEXN | NESS EXPRESS INC | | | SCAC4 |
| 2316 | NEXO | NORTHERN EXPRESS | | | SCAC3 |
| 2317 | NEXO | NEXTRANS LLC | | | SCAC4 |
| 2318 | NEXP | NORTHEAST EXPRESS | | | SCAC4 |
| 2319 | NEXR | NORTHEAST EXPRESS INC | | | SCAC3 |
| 2320 | NEXS | NEXUS DISTRIBUTION CORPORATION | | | SCAC3 |
| 2321 | NEXS | NEXUS DISTRIBUTION CORPORATION | | | SCAC4 |
| 2322 | NEXU | NEPTUNIA, INC. | | | SCAC3 |
| 2323 | NEXU | NEXXUS LEASING CO LTD | | | SCAC4 |
| 2324 | NEXW | NORTHLAND EXPRESS OF WISCONSIN INC | | | SCAC3 |
| 2325 | NEXY | NATIONAL ELECTRONIC TRANSIT CORP | | | SCAC4 |
| 2326 | NEY | North East Airlines | Callsign: Northjet, Ceased operations. | SD | AVCODES |
| 2327 | NEYC | NORTHFIELD ENERGY LLC | | | SCAC4 |
| 2328 | NEYO | NEY OIL COMPANY | | | SCAC4 |
| 2329 | NEYT | NEY TRUCKING INC | | | SCAC3 |
| 2330 | NEYT | NEY TRUCKING INC | | | SCAC4 |
| 2331 | NEZ | New England Air Express, Inc. d/b/a New England Air Express | Callsign: Engair, | USA | AVCODES |
| 2332 | NEZ | New England Air Express | | | ICAO1 |
| 2333 | NEZP | Nezperce R.R. Co. | 1/1975-1/1980; eliminated 1/1984 | | NAKINA |
| 2334 | NEZP | Nezperce R.R. Co. | 1/75-1/80 | | NRHS |
| 2335 | NEZP | NEZPERCE RAILROAD CO. | | | PWRC |
| 2336 | NEZP | Nezperce Railroad | | | RSRV |
| 2337 | NEZS | NINE ONE EIGHT ZERO-SEVEN FOUR NINE | | | SCAC4 |
| 2338 | NF | Air Vanuatu (Operations) Limited | ICAO: AVN, Callsign: Air Van, IATA Prefix: 218, | VAN | AVCODES |
| 2339 | NF | National Airways Corporation (PTY) Ltd. | Callsign: Natchair, | ZA | AVCODES |
| 2340 | NFA | North Flying A/S | IATA: M3, Callsign: North Flying, Designator 6Z* recalled by IATA | DK | AVCODES |
| 2341 | NFA | North Flying A/S | IATA: 6Z, Callsign: North Flying, Designator 6Z* recalled by IATA | DK | AVCODES |
| 2342 | NFA | National Florida Airlines | Callsign: Voyager, | USA | AVCODES |
| 2343 | NFA | North Flying A/S | Callsign: North Flying, Designator M3* recalled by IATA also previously Designator 6Z* recalled by IATA. | DK | AVCODES |
| 2344 | NFA | North Flying | IATA: M3 | | ICAO1 |
| 2345 | NFAI | NORTH FORK APPAREL INC | | | SCAC4 |
| 2346 | NFAU | MITSUBISHI GAS CHEMICAL COMPANY INC | | J | BIC |
| 2347 | NFAU | MITSUBISHI GAS CHEMICAL COMPANY INC | | | SCAC4 |
| 2348 | NFC | North Atlantic Cargo AS | Callsign: North Atlantic, | N | AVCODES |
| 2349 | NFC | Nor-Fly A/S | IATA: WN, Callsign: Norship, | N | AVCODES |
| 2350 | NFC | North Atlantic Cargo | | | ICAO1 |
| 2351 | NFCA | NFI IPD LLC | | | SCAC4 |
| 2352 | NFCC | NATIONAL FREIGHT CARRIER LLC | | | SCAC4 |
| 2353 | NFCE | NFC EXPRESS LLC | | | SCAC4 |
| 2354 | NFCH | NASH FINCH COMPANY | | | SCAC4 |
| 2355 | NFCL | NIX FRUIT COMPANY LLC | | | SCAC4 |
| 2356 | NFCM | NATIONAL FOAM CUSHION MANUFACTURING | | | SCAC3 |
| 2357 | NFCM | NORTH PARK TRANSFER & STORAGE | | | SCAC4 |
| 2358 | NFCN | NORTHERN FLOWER CONNECTION INC | | | SCAC4 |
| 2359 | NFCO | NORTH FISH CO LTD | | | SCAC4 |
| 2360 | NFCR | NIFF-CORR INC | | | SCAC3 |
| 2361 | NFCR | NINE ONE FIVE TWO-ZERO NINE FOUR ZE | | | SCAC4 |
| 2362 | NFCU | NATIONAL FACTORY FOR PROCESSING AND TREATING MINERALS | | SA | BIC |
| 2363 | NFCV | Nadačni fond Český vlak. | | CZ | VKM |
| 2364 | NFCX | Nation Ford Chemical Co. | added 7/2009 | | NAKINA |
| 2365 | NFCX | NATION FORD CHEMICAL COMPANY | | | SCAC4 |
| 2366 | NFD | NFD Nuernberger Flugdienst Luftverkehrs AG | IATA: NS, Callsign: Flamingo, Merged into Eurowings | D | AVCODES |
| 2367 | NFD | Norfolk and Western Ry. Co. | added 10/1984 | | NAKINA |
| 2368 | NFD | Norfolk, Franklin and Danville Ry. Co. | 7/1965-10/1966 & 1/1975-1/1980; eliminated 1/1984 | | NAKINA |
| 2369 | NFD | Norfolk, Franklin and Danville Ry. Co. | 7/65-10/66 & 1/75-1/80 | | NRHS |
| 2370 | NFD | Norfolk and Western Ry. Co. | added 10/84 | | NRHS |
| 2371 | NFD | NORFOLK SOUTHERN [NORFOLK & WESTERN RWY; NORFOLK FRANKLIN & DANVILLE RY.] | | | PWRC |
| 2372 | NFD | Norfolk, Franklin and Danville Railway (Norfolk and Western Railway) | | | RSRV |
| 2373 | NFD | Norfolk, Franklin and Danville Railway | | USA | TRAFFIC |
| 2374 | NFDB | NATIONAL FREIGHT DISTRIBUTORS INC | | | SCAC3 |
| 2375 | NFDI | NANCY FORWARDING INC | | | SCAC4 |
| 2376 | NFDM | NEWFIELD MOBIL SERVICE | | | SCAC3 |
| 2377 | NFDS | NATIONAL FREIGHT DISTRIBUTION SERVI | | | SCAC4 |
| 2378 | NFDU | CHONGQING STORM INTERNATIONAL LOGISTICS CO., LTD. | | PRC | BIC |
| 2379 | NFE | Nordicflite Oy Ltd | Callsign: Nordic Blue, | FIN | AVCODES |
| 2380 | NFEC | NORFOLK EXPRESS CORP | | | SCAC4 |
| 2381 | NFEP | NICHOLLS FARM EQUIPMENT LIMITED | | | SCAC4 |
| 2382 | NFET | NEFELD, ED TRUCKING | | | SCAC3 |
| 2383 | NFET | N F E | | | SCAC4 |
| 2384 | NFEV | NASSAU FARMERS ELEVATOR COMPANY | | | SCAC4 |
| 2385 | NFF | Aircraft Support and Services | | RL | AVCODES |
| 2386 | NFF | Aircraft Support and Services | | | ICAO1 |
| 2387 | NFFF | NIFTY FIFTY EXPRESS INC | | | SCAC3 |
| 2388 | NFFI | NATIONAL FAST FREIGHT INC | | | SCAC4 |
| 2389 | NFFL | NORTHLEAF FOODS LTD | | | SCAC4 |
| 2390 | NFFN | NATURE FRESH FARMS INC | | | SCAC4 |
| 2391 | NFFW | NATIONAL FREIGHT FORWARDERS | | | SCAC3 |
| 2392 | NFFZ | NALLEYS FINE FOODS | | | PWRC |
| 2393 | NFG | Nightflight Ltd. | Callsign: Nightflight, | GB | AVCODES |
| 2394 | NFG | NICHOLS, FAYETTE & GREENBRIAR | | | PWRC |
| 2395 | NFG | NFG Bahnservice GmbH | | DE | VKM |
| 2396 | NFGC | NINE ONE FIVE FOUR-EIGHT SIX NINE T | | | SCAC4 |
| 2397 | NFGI | NORTHERN FORCE GROUP INC | | | SCAC4 |
| 2398 | NFGL | NORTHERN FREIGHT LINES INC | | | SCAC3 |
| 2399 | NFHA | NORTH FLORIDA HAULING LLC | | | SCAC4 |
| 2400 | NFIA | NFI LOGISTICS LLC | | | SCAC4 |
