| 1101 | PBSS | PALM BEACH STEAMSHIP AGENCY INC | | | SCAC4 |
| 1102 | PBST | PUBLIC SERVICE TRANSFER CO | | | SCAC3 |
| 1103 | PBST | PAISANO BOOT CO | | | SCAC4 |
| 1104 | PBSU | P. LEASING CORPORATION LIMITED | | BH | BIC |
| 1105 | PBSU | P LEASING CORPORATION LTD | | | SCAC4 |
| 1106 | PBSV | PBSV-Verkehrs GmbH | Magdeburg (PBSV = Planen Bauen Sicherungsleistungen Schienenverkehre) | D | privat-bahn.de |
| 1107 | PBSV | PASSWATERS BUS SERVICE INC | | | SCAC3 |
| 1108 | PBSV | PBSV Verkehrs-GmbH Magdeburg | | D | TRAFFIC |
| 1109 | PBSW | PITTSBURGH SPORTS WHOLESALE | | | SCAC4 |
| 1110 | PBSX | PBS COALS, INC. | | | PWRC |
| 1111 | PBSY | PUBLIC BIKE SYSTEM | | | SCAC4 |
| 1112 | PBSZ | CSX INTERMODAL, INC. | | | PWRC |
| 1113 | PBSZ | CSX Intermodal | | | RSRV |
| 1114 | PBSZ | CSX TRANSPORTATION | | | SCAC4 |
| 1115 | PBT | Air Parabat Ltd. | Callsign: Parabat, | BD | AVCODES |
| 1116 | PBT | Air Parabet | | | ICAO1 |
| 1117 | PBTB | P & B TRANSPORTATION INC | | | SCAC4 |
| 1118 | PBTC | POZZI BROTHERS TRANSPORTATION, INC | | | SCAC3 |
| 1119 | PBTC | POZZI BROTHERS TRANSP INC | | | SCAC4 |
| 1120 | PBTD | P B TRUCKING INC | | | SCAC4 |
| 1121 | PBTF | PIRIE, BRIAN TRANSPORT | | | SCAC4 |
| 1122 | PBTG | PATTON, B TRUCKING CO | | | SCAC3 |
| 1123 | PBTG | PITBULL TRUCK LINES INC | | | SCAC4 |
| 1124 | PBTH | PARISO, B TRANSPORT INC | | | SCAC3 |
| 1125 | PBTH | P & B TRUCKING INC | | | SCAC4 |
| 1126 | PBTI | PRIEBE TRANSPORT INCORPORATED | | | SCAC3 |
| 1127 | PBTI | P & B TRANSPORTATION INC | | | SCAC4 |
| 1128 | PBTK | PREWITT BROTHERS TRUCKING | | | SCAC3 |
| 1129 | PBTL | PANNU BROS TRUCKING LTD | | | SCAC3 |
| 1130 | PBTL | PANNU BROS TRUCKING LTD | | | SCAC4 |
| 1131 | PBTM | PALMER BROS TRUCKING | | | SCAC4 |
| 1132 | PBTN | P & B TRUCKING INC | | | SCAC4 |
| 1133 | PBTO | P & B TOURS INC | | | SCAC3 |
| 1134 | PBTO | POSTURE BEAUTY TRANSPORTATION INC | | | SCAC4 |
| 1135 | PBTP | P & B TRANSPORTATION INC | | | SCAC3 |
| 1136 | PBTP | P & B TRANSPORT | | | SCAC4 |
| 1137 | PBTQ | PANTER BROS TRUCKING | | | SCAC3 |
| 1138 | PBTQ | P & B TRANSPORTATION LTD | | | SCAC4 |
| 1139 | PBTR | PIONTEK BROTHERS TRUCKING INC | | | SCAC3 |
| 1140 | PBTR | PAUL B TRANSPORT LTD | | | SCAC4 |
| 1141 | PBTS | P & B TRANSPORT SERVICES INC | | | SCAC3 |
| 1142 | PBTS | PROBITY SERVICES LLC | | | SCAC4 |
| 1143 | PBTT | PIERSON BROTHERS TRANSPORTATION INC | | | SCAC4 |
| 1144 | PBTU | PREMIER BOX PTY LTD | | | SCAC4 |
| 1145 | PBTY | POWELL, BARRY TRUCKING LLC | | | SCAC4 |
| 1146 | PBU | Air Burundi | IATA: 8Y, Callsign: Air Burundi, Formed as Societe de Transports A�riens du Burundi' and adopted the present name in June 1975. The airline was established in April 1971 and started operations in 1975. | RU | AVCODES |
| 1147 | PBU | Air Burundi | IATA: PB, Callsign: Air Burundi, Designator PB recalled by IATA | RU | AVCODES |
| 1148 | PBU | Air Burundi | Callsign: Air Burundi, Formed as Societe de Transports A�riens du Burundi' and adopted the present name in June 1975. The airline was established in April 1971 and started operations in 1975. | RU | AVCODES |
| 1149 | PBU | Air Burundi | IATA: 8Y | | ICAO1 |
| 1150 | PBUA | PBB USA INC | | | SCAC3 |
| 1151 | PBUC | PRESTIGE BUS CHARTERS | | | SCAC4 |
| 1152 | PBUI | PE BEN USA INC | | | SCAC4 |
| 1153 | PBUK | PREMUDA BULK NAVEGACAO LDA | | | SCAC4 |
| 1154 | PBUL | PETROLES BUSSIERES LTEE LES | | | SCAC3 |
| 1155 | PBUR | PITTSBURGH RECYCLING SERVICES | | | SCAC4 |
| 1156 | PBUS | | | | TRAFFIC |
| 1157 | PBVR | The Port Bienville R.R. | 1/1975-1/1980; eliminated 10/1981 | | NAKINA |
| 1158 | PBVR | Port Bienville R.R. | added 10/1981; 1/1994; eliminated 4/1998; 7/2000-7/2005 | | NAKINA |
| 1159 | PBVR | The Port Bienville R.R. | 1/75-1/80; eliminated 10/81 | | NRHS |
| 1160 | PBVR | Port Bienville R.R. | added 10/81; 1/94; eliminated 4/98; 7/2000 | | NRHS |
| 1161 | PBVR | PORT BIENVILLE RAILROAD | | | PWRC |
| 1162 | PBVR | Port Bienville Railroad | | | RSRV |
| 1163 | PBVR | PORT BIENVILLE RAILROAD | | | SCAC3 |
| 1164 | PBW | Polizeihubschrauberstaffel Baden-Wurttemberg | Callsign: Bussard, | D | AVCODES |
| 1165 | PBW | Polizeihubschrauberstaffel Baden-Wurtemberg | | | ICAO1 |
| 1166 | PBWI | PRETTY BOWS INC | | | SCAC4 |
| 1167 | PBWT | PHIPPS, BENJAMIN W TRUCKING | | | SCAC4 |
| 1168 | PBX | Barrett Division, Allied Chemical Corp. | added 7/1958; eliminated 1/1959 | | NAKINA |
| 1169 | PBX | Barrett Division, Allied Chemical & Dye Corp. | added 1/1954; 7/1954-10/1957; eliminated 7/1958 | | NAKINA |
| 1170 | PBX | Barrett Division, Allied Chemical & Dye Corp. | 10/57; eliminated 7/58 | | NRHS |
| 1171 | PBX | Barrett Division, Allied Chemical Corp. | added 7/58; eliminated 1/59 | | NRHS |
| 1172 | PBX | BARRETT DIV. (ALLIED CHEMICAL & DYE CORP.) | | | PWRC |
| 1173 | PBXD | PRO BOX DELIVERY SERVICE | | | SCAC4 |
| 1174 | PBXI | P B EXPRESS INC | | | SCAC4 |
| 1175 | PBXL | POTTER BULK TRANSPORT LLC | | | SCAC4 |
| 1176 | PBXU | PREMIER BOX PTY LTD | | AUS | BIC |
| 1177 | PBY | Pearl Air Services (U) Ltd. | Callsign: Pearl Services, | EAU | AVCODES |
| 1178 | PBY | Pearl Air Services | | | ICAO1 |
| 1179 | PBYF | POINT BAY FUEL INC | | | SCAC4 |
| 1180 | PBYK | POOR BOY TRUCKING | | | SCAC4 |
| 1181 | PBYT | PACIFIC BASIN TRANSPORTATION INC | | | SCAC3 |
| 1182 | PBYT | Przedsiębiorstwo Komunikacji Samochodowej w Bytowie | | PL | TRAFFIC |
| 1183 | PBZ | PARKER BROTHERS | | | PWRC |
| 1184 | PBZD | PRIORITY BIZ DISTRIBUTION | | | SCAC4 |
| 1185 | PBZF | PINE BREEZE INC | | | SCAC4 |
| 1186 | PC | Air Fiji Ltd. | ICAO: FAJ, Callsign: Fijiair, IATA Prefix: 677, Ceased operations. Name changed from Fiji Air Services Limited | FJI | AVCODES |
| 1187 | PC | Joint Stock Company Continental Airways | ICAO: PVV, Callsign: Contair, IATA Prefix: 922, | RUS | AVCODES |
| 1188 | PC | Fiji Air Services Limited | ICAO: FAJ, Callsign: Fijiair, IATA Prefix: 677, Designator PC recalled by IATA | FJI | AVCODES |
| 1189 | PC | Pegasus Hava Tasimaciligi A.S. | ICAO: PGT, Callsign: Sunturk, IATA Prefix: 624, IATA designator changed from H9*. IATA designator previously changed from 1I | TR | AVCODES |
| 1190 | PC | Envirotainer AB | Non-Airline Unit Load Devices (ULD) Companies | S | AVCODES |
| 1191 | PC | Norfolk Southern Ry. Co. (Norfolk Southern) | 7/2000-7/2005 | | NAKINA |
| 1192 | PC | Consolidated Rail Corp. | added 4/1976; 1/1980-1/1994; eliminated 7/1999 | | NAKINA |
| 1193 | PC | Penn Central Transportation Co., Robert W. Blanchette, Richard C. Bond and John H. McArthur, Trustees | eliminated 4/1976 | | NAKINA |
| 1194 | PC | Penn Central Transportation Co. | 1/1975 | | NAKINA |
| 1195 | PC | Pacific Coast R.R. Co. | 7/1923-10/1966 | | NAKINA |
| 1196 | PC | Pacific Coast R.R. Co. | 4/38-10/66 | | NRHS |
| 1197 | PC | Penn Central Transportation Co. | Jan-75 | | NRHS |
| 1198 | PC | Penn Central Transportation Co., Robert W. Blanchette, Richard C. Bond and John H. McArthur, Trustees | eliminated 4/76 | | NRHS |
| 1199 | PC | Consolidated Rail Corp. | added 4/76; 1/80-1/94; eliminated 7/99 | | NRHS |
| 1200 | PC | Norfolk Southern Ry. Co. (Norfolk Southern) | Jul-00 | | NRHS |
