| 1001 | PBLA | PABST, BOB LAND CLEARING INC | | | SCAC3 |
| 1002 | PBLA | PABST, BOB LAND CLEARING INC | | | SCAC4 |
| 1003 | PBLB | PRIDA BRAVO LOGISTICS | | | SCAC4 |
| 1004 | PBLE | PRATTSBURG BUS LINES INC | | | SCAC3 |
| 1005 | PBLI | PETERS BUS LINE | | | SCAC3 |
| 1006 | PBLK | PEERLESS BULK TRANSPORT CORP | | | SCAC3 |
| 1007 | PBLK | PABLIN TRUCKING | | | SCAC4 |
| 1008 | PBLM | PUEBLA MALDONADO, LOURDES MARGARITA | | | SCAC4 |
| 1009 | PBLN | PARRAN BUS LINES | | | SCAC3 |
| 1010 | PBLN | PANOBULK LOGISTICS INC | | | SCAC4 |
| 1011 | PBLP | PURVIS BROTHERS LIMITED & PURVIS FI | | | SCAC4 |
| 1012 | PBLQ | PUBLIC STORAGE & WAREHOUSE | | | SCAC3 |
| 1013 | PBLS | PB LOGISTICS SERVICES LLC | | | SCAC4 |
| 1014 | PBLT | PAGE, BILL TRUCKING INC | | | SCAC3 |
| 1015 | PBLT | PETERBUILT INC | | | SCAC4 |
| 1016 | PBLU | CONTAINERS AND PRESSURE VESSELS LTD | | | PWRC |
| 1017 | PBLU | Containers and Pressure Vessels Limited | | | RSRV |
| 1018 | PBLX | MHC, Inc., Wholly Owned Subsidiary of ConAgra Foods | added 4/2002; eliminated 7/2002 | | NAKINA |
| 1019 | PBLX | MHC, Inc., Wholly Owned Subsidiary of Con Agra, Inc. | added 4/1990; 1/1994; eliminated 1/2000; 7/2000 (not listed) | | NAKINA |
| 1020 | PBLX | The Pillsbury Co. | added 7/1979; 1/1980; eliminated 4/1990 | | NAKINA |
| 1021 | PBLX | MHC, Inc., Wholly Owned Subsidiary of Con Agra, Inc. | added 4/90; 1/94; eliminated 1/2000; 7/2000 | | NRHS |
| 1022 | PBLX | The Pillsbury Co. | added 7/79; 1/80; eliminated 4/90 | | NRHS |
| 1023 | PBLX | MHC, INC., WHOLLY OWNED SUB. OF CONAGRA, INC. [PILLSBURY CO.] | | | PWRC |
| 1024 | PBLX | Pillsbury | | | RSRV |
| 1025 | PBLX | The Pilsbury Co. | | USA | TRAFFIC |
| 1026 | PBLY | PERRY BROTHERS LOGISTICS INC | | | SCAC4 |
| 1027 | PBMF | PBM FREIGHT SOLUTIONS | | | SCAC4 |
| 1028 | PBMH | PRECISION BROACH & MACHINE | | | SCAC4 |
| 1029 | PBMI | PINEBERRY MANUFACTURING INC | | | SCAC4 |
| 1030 | PBMS | PB MARKETING AND SIGNS | | | SCAC4 |
| 1031 | PBMT | PB MARINE TRANSPORT INC. | | | SCAC3 |
| 1032 | PBMT | PB MARINE TRANSPORT INC. | | | SCAC4 |
| 1033 | PBMV | PRICE BROTHERS ENTERPRISES INC | | | SCAC3 |
| 1034 | PBMX | Peet Bros. Manufacturing Co. | 8/1920-7/1923 | | NAKINA |
| 1035 | PBMX | PEET BROS. MFG. CO. | | | PWRC |
| 1036 | PBMZ | Pattison Brothers Mississippi River | | | RSRV |
| 1037 | PBMZ | PATTISON BROS MISSISSIPPI RIVER INC | | | SCAC4 |
| 1038 | PBN | Pilatus Britten-Norman Ltd. | Callsign: Vectis, | GB | AVCODES |
| 1039 | PBN | Virgin Australia Airlines (NZ) Ltd | Callsign: Bluebird, Established in 2003 and commenced operations on 29 January 2004. Name changed from Pacific Blue Airlines (NZ) Limited w.e.f. 07 December 2011. ICAO designator was changed from PBI to PBN w.e.f. 01 August 2007 (local date). All aircraft transferred to Vir | NZ | AVCODES |
| 1040 | PBN | Pacific Blue | IATA: DJ | | ICAO1 |
| 1041 | PBN | PORT BAZINUL NOU SA | | RO | VKM |
| 1042 | PBNE | Philadelphia, Bethlehem and New England R.R. Co. | 4/1938-1/1994; eliminated 10/1999; 7/2000-7/2005 | | NAKINA |
| 1043 | PBNE | Philadelphia, Bethlehem and New England R.R. Co. | 4/38-1/94; eliminated 10/99; 7/2000 | | NRHS |
| 1044 | PBNE | *PHILADELPHIA, BETHLEHEM & NEW ENGLAND RAILROAD | | | PWRC |
| 1045 | PBNE | +LEHIGH VALLEY RAIL MANAGEMENT LLC, BETHLEHEM DIV. | | | PWRC |
| 1046 | PBNE | Philadelphia, Bethlehem and New England Railroad (Lehigh Valley) | | | RSRV |
| 1047 | PBNE | PHILADELPHIA BETHLEHEM AND NEW ENGL | | | SCAC3 |
| 1048 | PBNS | P B & S CHEMICAL COMPANY INC | | | SCAC3 |
| 1049 | PBNT | PB & N TRANSPORTATION | | | SCAC3 |
| 1050 | PBNT | PAQUET, BERNARD | | | SCAC4 |
| 1051 | PBO | Aero Taxi de los Cabos, S.A. de C.V. | Callsign: Aero Cabos, | MEX | AVCODES |
| 1052 | PBOA | PINE BUSH OIL INC | | | SCAC4 |
| 1053 | PBOB | PORAT, BOB | | | SCAC4 |
| 1054 | PBOC | PETERSON BROS OIL CO INC | | | SCAC3 |
| 1055 | PBOE | P B O EXPRESS INC | | | SCAC3 |
| 1056 | PBOI | PINE BELT OIL COMPANY INC | | | SCAC4 |
| 1057 | PBPL | PITTSBURGH-PHILADELPHIA EXPRESS INC | | | SCAC3 |
| 1058 | PBPZ | PITTSBURGH PAINTS | | | PWRC |
| 1059 | PBQX | Powers and Quinlan | 7/1923-7/1935 | | NAKINA |
| 1060 | PBQX | POWERS & QUINLAN | | | PWRC |
| 1061 | PBR | Fast Air Ltd. | Callsign: Polar Bear, | CDN | AVCODES |
| 1062 | PBR | Patapsco & Back Rivers R.R. Co. | 1/1950-1/1994; eliminated 10/1999; 7/2000-7/2005 | | NAKINA |
| 1063 | PBR | Patapsco & Back Rivers R.R. Co. | 1/52-1/94; eliminated 10/99; 7/2000 | | NRHS |
| 1064 | PBR | PATAPSCO & BACK RIVERS RAILROAD CO. | | | PWRC |
| 1065 | PBR | Patapsco and Back Rivers Railroad | | | RSRV |
| 1066 | PBR | Joux Le Pont-Le Brassus | | CH | TRAFFIC |
| 1067 | PBRA | PROFESSIONAL BULL RIDERS INC | | | SCAC4 |
| 1068 | PBRC | PERMIAN BASIN RAILROAD CO. | | | PWRC |
| 1069 | PBRC | P & B TRUCKING | | | SCAC3 |
| 1070 | PBRH | PALI BROTHERS | | | SCAC4 |
| 1071 | PBRI | PARABRIS OR TOPTENT | | | SCAC4 |
| 1072 | PBRJ | PETROLEO BRASILEIRO S A | | | SCAC3 |
| 1073 | PBRJ | PETROLEO BRASILEIRO S A | | | SCAC4 |
| 1074 | PBRL | PEROULIS BROS LTD | | | SCAC4 |
| 1075 | PBRN | PUERTO BARRIOS COMPANIA NAVIERA S A | | | SCAC3 |
| 1076 | PBRO | PETRIG BROS | | | SCAC3 |
| 1077 | PBRQ | PORTER BROTHERS INC | | | SCAC3 |
| 1078 | PBRR | Pine Belt Southern R.R. Co., Inc. | 7/2000-7/2005 | | NAKINA |
| 1079 | PBRR | Pine Belt Southern R.R. Co., Inc. | Jul-00 | | NRHS |
| 1080 | PBRR | PINE BELT SOUTHERN RAILROAD | | | PWRC |
| 1081 | PBRR | Prairie Belt Railroad | | | RSRV |
| 1082 | PBRR | PINE BELT SOUTHERN RAILROAD CO INC | | | SCAC4 |
| 1083 | PBRS | PETERS BROS TRUCKING INC | | | SCAC3 |
| 1084 | PBRT | PAULSEN BROS TRANS INC | | | SCAC3 |
| 1085 | PBRU | PORTABULL STORAGE LLC | | USA | BIC |
| 1086 | PBRX | Tyson Fresh Meats | added 7/2006 | | NAKINA |
| 1087 | PBRX | TYSON FRESH MEATS | | | PWRC |
| 1088 | PBRX | TYSON FRESH MEATS | | | SCAC4 |
| 1089 | PBRZ | PACER STACKTRAIN | | | SCAC4 |
| 1090 | PBS | DI Air | Callsign: Di Air, ICAO designator changed from DIS | SCG | AVCODES |
| 1091 | PBS | Privat Banen Sønderjylland | 1997 - 2001 | DK | jernbanen.dk |
| 1092 | PBS | Privat Banen Sønderjylland | 1997 - 2001 | DK | TRAFFIC |
| 1093 | PBSA | PIETRO BARBARO SPA | | | SCAC4 |
| 1094 | PBSC | POBESING COMPANY S A | | | SCAC3 |
| 1095 | PBSE | PBS ENTERPRISES | | | SCAC3 |
| 1096 | PBSG | POBESING COMPANY S A | | | SCAC3 |
| 1097 | PBSM | PRIMEBU | | | SCAC4 |
| 1098 | PBSQ | PERRINE BROTHERS INC | | | SCAC4 |
| 1099 | PBSR | PIERCE BUS SERVICE INC | | | SCAC3 |
| 1100 | PBSS | PALM BEACH STEAMSHIP AGENCY | | | SCAC3 |
