| 5201 | FOXR | FOX GLOBAL LOGISTCS CORP | | | SCAC4 |
| 5202 | FOXS | FOX-SMYTHE TRANSPORTATION CO | | | SCAC3 |
| 5203 | FOXV | FOX VALLEY TRUCK LINES INC | | | SCAC3 |
| 5204 | FOXV | FOX HOLLOW MOVERS | | | SCAC4 |
| 5205 | FOYD | FLOYDS TRUCKING | | | SCAC3 |
| 5206 | FOYE | FOYE, MARICE J | | | SCAC3 |
| 5207 | FOYI | FOY, BOB TRUCKING | | | SCAC3 |
| 5208 | FOYL | FOYIL, BILL TRUCKING | | | SCAC3 |
| 5209 | FOYQ | FOYS SHAG SERVICE | | | SCAC3 |
| 5210 | FOYR | FOY, ROBERT W | | | SCAC3 |
| 5211 | FOYT | FOYT, A J | | | SCAC4 |
| 5212 | FOZ | Stars Airways | Callsign: Stars Airways, | SYR | AVCODES |
| 5213 | FOZI | FITZGERALD OIL INC | | | SCAC4 |
| 5214 | FP | TAG Aviation, S.A. | ICAO: FPG, Callsign: TAG Aviation, Designator FP recalled by IATA. Name changed from Aeroleasing, S.A. | CH | AVCODES |
| 5215 | FP | Aerotechnology Pty Ltd d/b/a Par-Avion | Designator FP* recalled by IATA | AUS | AVCODES |
| 5216 | FP | Aviation Services, Ltd. d/b/a Freedom Air | ICAO: FRE, Callsign: Freedom, Operations suspended on 01 April 2014. | GUM | AVCODES |
| 5217 | FP | Aeroleasing, S.A. | ICAO: FPG, Callsign: Aeroleasing, Name changed to TAG Aviation, S.A. ICAO callsign changed from Fox Papa | CH | AVCODES |
| 5218 | FP | Aeroleasing, S.A. | ICAO: FPG, Callsign: Fox Papa, ICAO callsign changed to Aeroleasing | CH | AVCODES |
| 5219 | FP | Servicios Aereos de Los Andes S.A.C. | ICAO: AND, Callsign: Servi Andes, Designator FP recalled by IATA. | PE | AVCODES |
| 5220 | FP | CA Fly Pro SRL | ICAO: PVV, Callsign: Sunday, IATA Prefix: 315, AOC granted 30 November 2016 | MD | AVCODES |
| 5221 | FP | Pelican Airlines Pty Ltd t/a FlyPelican | Callsign: Pelican, Commenced operations on 01 June 2015. | AUS | AVCODES |
| 5222 | FP | Fordyce & Princeton R.R. Co. | 1/1975-1/1980; added 4/1981; 1/1994-7/2000 | | NAKINA |
| 5223 | FP | Fordyce & Princeton R.R. Co. | 1/75-1/80; added 4/81; 1/94-7/2000 | | NRHS |
| 5224 | FP | FORDYCE & PRINCETON RAILROAD CO. | | | PWRC |
| 5225 | FP | Fordyce and Princeton Railroad | | | RSRV |
| 5226 | FP | Ferrovia Padane | | I | TRAFFIC |
| 5227 | FP&E | The Fairport, Painesville & Eastern R.R. Co. | 7/1930-7/1935 | | NAKINA |
| 5228 | FP&E | FAIRPORT, PAINESVILLE & EASTERN RAILROAD CO. | | | PWRC |
| 5229 | FPA | Flygprestanda AB | | S | AVCODES |
| 5230 | FPA | Flygprestanda | | | ICAO1 |
| 5231 | FPAC | FARMERS PLANT AID CORPORATION | | | SCAC3 |
| 5232 | FPAF | FRIESEN, P A FAMILY FARMS | | | SCAC4 |
| 5233 | FPAK | FPA TRUCKING CO | | | SCAC4 |
| 5234 | FPAL | FIDEPAL S DE RL DE IP Y CV | | | SCAC4 |
| 5235 | FPAO | FREEDOM GROUP INC | | | SCAC4 |
| 5236 | FPAT | FRASER, PAT INC | | | SCAC3 |
| 5237 | FPAU | FIRST PRIDE INVESTMENT LIMITED | | | SCAC4 |
| 5238 | FPAX | Formosa Transrail Corp. | added 1/1998; 7/2000-7/2005 | | NAKINA |
| 5239 | FPAX | Formosa Plastics Corp. U.S.A. | added 4/1981; 1/1994; eliminated 1/1998 | | NAKINA |
| 5240 | FPAX | Formosa Plastics Corp. U.S.A. | added 4/81; 1/94; eliminated 1/98 | | NRHS |
| 5241 | FPAX | Formosa Transrail Corp. | added 1/98; 7/2000 | | NRHS |
| 5242 | FPAX | FORMOSA PLASTIC CORPORATION (FORMOSA TRANSRAIL CORP.) | | | PWRC |
| 5243 | FPAX | Formosa Plastics Corporation (Formosa Transrail Corporation) | | | RSRV |
| 5244 | FPAX | FORMOSA TRANSRAIL CORPORATION | | | SCAC4 |
| 5245 | FPBC | FIRST PANAMAX BULKCARRIERS, INC | | | SCAC3 |
| 5246 | FPBK | FERROSTAAL-POSEIDON BULK REEDEREI G | | | SCAC3 |
| 5247 | FPBK | FIVE RIVERS TRANSPORTATION INC | | | SCAC4 |
| 5248 | FPBX | International Paper Co. | added 4/1999; 7/2000-7/2005 | | NAKINA |
| 5249 | FPBX | FPB Leasing Corp. | added 10/1995 | | NAKINA |
| 5250 | FPBX | Federal Paper Board Co., Inc. | added 4/1975; 1/1980-1/1994; eliminated 10/1995 | | NAKINA |
| 5251 | FPBX | Federal Paper Board Co., Inc. | added 4/75; 1/80-1/94; eliminated 10/95 | | NRHS |
| 5252 | FPBX | FPB Leasing Corp. | added 10/95 | | NRHS |
| 5253 | FPBX | International Paper Co. | added 4/99; 7/2000 | | NRHS |
| 5254 | FPBX | INTERNATIONAL PAPER CO. [FPB LEASING CORP.; FEDERAL PAPER BOARD COMPANY INC.] | | | PWRC |
| 5255 | FPBX | Federal Paper Board (International Paper Corporation) | | | RSRV |
| 5256 | FPBX | INTERNATIONAL PAPER COMPANY | | | SCAC4 |
| 5257 | FPBX | Federal Paper Board | | USA | TRAFFIC |
| 5258 | FPC | Lillbacka Jetair Oy | Callsign: Finnpower, | FIN | AVCODES |
| 5259 | FPC | Flight Pro International, LLC | Callsign: Pro Connect, | USA | AVCODES |
| 5260 | FPC | FLORIDA PORTLAND CEMENT CO. | | | PWRC |
| 5261 | FPC | Federal Passenger Company | | RU | TRAFFIC |
| 5262 | FPC | JSC FEDERAL PASSENGER COMPANY | | RU | VKM |
| 5263 | FPCC | F P C CARTAGE INC | | | SCAC3 |
| 5264 | FPCC | F P C CARTAGE INC | | | SCAC4 |
| 5265 | FPCE | FELTON PEARSON CO INC | | | SCAC4 |
| 5266 | FPCK | FRESH PACK TRANSPORTATION INC | | | SCAC4 |
| 5267 | FPCL | FER PAL CONSTRUCTION LTD | | | SCAC4 |
| 5268 | FPCO | FLORIDA POWER CORPORATION | | | SCAC3 |
| 5269 | FPCP | F P C TRANSPORTATION INC | | | SCAC4 |
| 5270 | FPCQ | FASTPAC TRANSPORTATION CO | | | SCAC3 |
| 5271 | FPCQ | FIRST COAST REFRIGERATED TRANSPORT | | | SCAC4 |
| 5272 | FPCR | FLORIDA PETROLEUM CORPORATION | | | SCAC4 |
| 5273 | FPCS | FLINT SPECIAL SERVICES INC | | | SCAC3 |
| 5274 | FPCS | FLINT SPECIAL SERVICES INC | | | SCAC4 |
| 5275 | FPCT | FAPCO TRANSPORTATION | | | SCAC3 |
| 5276 | FPCX | Oxy Vinyls L.P. | added 7/1999; 7/2000-7/2005 | | NAKINA |
| 5277 | FPCX | Occidental Chemical Corp. | added 1/1992; 1/1994; eliminated 7/1999 | | NAKINA |
| 5278 | FPCX | Occidental Chemical Corp., PVC Resins | added 10/1982; eliminated 1/1992 | | NAKINA |
| 5279 | FPCX | Hooker Chemicals and Plastics Corp. | added 10/1981; eliminated 10/1982 | | NAKINA |
| 5280 | FPCX | Firestone Plastics Co. | added 7/1979; 1/1980; eliminated 10/1981 | | NAKINA |
| 5281 | FPCX | National Car Co. | 4/1947-1/1950 | | NAKINA |
| 5282 | FPCX | Feldman Petroleum Co. | 7/1937-4/1938 | | NAKINA |
| 5283 | FPCX | Feldman Petroleum Co. | Apr-38 | | NRHS |
| 5284 | FPCX | Firestone Plastics Co. | added 7/79; 1/80; eliminated 10/81 | | NRHS |
| 5285 | FPCX | Hooker Chemicals and Plastics Corp. | added 10/81; eliminated 10/82 | | NRHS |
| 5286 | FPCX | Occidental Chemical Corp., PVC Resins | added 10/82; eliminated 1/92 | | NRHS |
| 5287 | FPCX | Occidental Chemical Corp. | added 1/92; 1/94; eliminated 7/99 | | NRHS |
| 5288 | FPCX | Oxy Vinyls L.P. | added 7/99; 7/2000 | | NRHS |
| 5289 | FPCX | *FELDMAN PETROLEUM CO. | | | PWRC |
| 5290 | FPCX | *NATIONAL CAR CO. | | | PWRC |
| 5291 | FPCX | +OCCIDENTAL CHEMICAL CORP., PVC RESINS (OXY VINYLS, LP)[HOOKER CHEMICALS & PLASTICS CORP.; FIRESTONE PLASTICS CO.] | | | PWRC |
| 5292 | FPCX | Firestone Plastics Co. (Occidental Chemical Corporation) | | | RSRV |
| 5293 | FPCX | OXY VINYLS LP | | | SCAC4 |
| 5294 | FPCZ | FLORIDA POWER CO. | | | PWRC |
| 5295 | FPD | Aeroleasing (Deutschland) GmbH | | D | AVCODES |
| 5296 | FPDC | FRONT PRESIDENT INC | | | SCAC4 |
| 5297 | FPDI | FAST PACKAGE DELIVERY INC | | | SCAC3 |
| 5298 | FPDS | FAST-PAC DELIVERY SERVICE | | | SCAC3 |
| 5299 | FPDX | Forest Products Chemical Co. | 8/1920-7/1965; eliminated 10/1966 | | NAKINA |
| 5300 | FPDX | Forest Products Chemical Co. | 4/38-7/65; eliminated 10/66 | | NRHS |
