| 1 | PBC | Aerotaxis Paba, S.A. de C.V. | Callsign: Paba, | MEX | AVCODES |
| 2 | PBC | Pittsburg County Ry. | 4/1938-7/1954 | | NAKINA |
| 3 | PBC | Pittsburg County Ry. | 4/38-1/52 | | NRHS |
| 4 | PBC | PITTSBURG COUNTY RAILROAD | | | PWRC |
| 5 | PBC | POZ BRUK sp. z o. o. sp. j. | | PL | VKM |
| 6 | PBCA | PRIMO BULK CARRIERS, INC. | | | SCAC3 |
| 7 | PBCC | PEABODY COAL CO. | | | PWRC |
| 8 | PBCC | PARABRUSH CARRIER SERVICE INC | | | SCAC4 |
| 9 | PBCC | Peabody Coal Company (old) | | USA | TRAFFIC |
| 10 | PBCD | PACIFIC BASIN CONSOLIDATORS | | | SCAC3 |
| 11 | PBCE | PALMENTERE BROTHERS CARTAGE SERVICE | | | SCAC4 |
| 12 | PBCH | PACIFIC BASIN CHARTERING CO | | | SCAC3 |
| 13 | PBCH | PEPPER BROS TRUCKING | | | SCAC4 |
| 14 | PBCI | PRIDMORE BROS CONSTRUCTION INC | | | SCAC3 |
| 15 | PBCJ | PORTABLE CHURCH INDUSTRIES INC | | | SCAC4 |
| 16 | PBCL | PBCL TRUCKING | | | SCAC3 |
| 17 | PBCL | PANOCEANIC BULK CARRIERS LIMITED | | | SCAC4 |
| 18 | PBCO | PABCO FLUID POWER CO | | | SCAC3 |
| 19 | PBCQ | POTTER, B & C TRANSFER | | | SCAC3 |
| 20 | PBCR | PETROBULK CARRIERS A/S | | | SCAC3 |
| 21 | PBCS | POITIER BUS CHARTERING SERVICE INC | | | SCAC3 |
| 22 | PBCT | PATS BELLE CITY TRUCKING INC | | | SCAC3 |
| 23 | PBCW | PACIFIC BULK CARRIERS LTD | | | SCAC4 |
| 24 | PBCX | Tyson Fresh Meats | added 4/2006 | | NAKINA |
| 25 | PBCX | Parker Brothers & Co., Inc. | added 1/1974; 1/1975; eliminated 4/1976 | | NAKINA |
| 26 | PBCX | The Portsmouth By-Product Coke Co. | 7/1923-7/1930 | | NAKINA |
| 27 | PBCX | Parker Brothers & Co., Inc. | added 1/74; 1/75; eliminated 4/76 | | NRHS |
| 28 | PBCX | *PORTSMOUTH BY-PRODUCT COKE CO. | | | PWRC |
| 29 | PBCX | *PARKER BROTHERS & CO., INC. | | | PWRC |
| 30 | PBCX | +TYSON FRESH MEATS | | | PWRC |
| 31 | PBCX | TYSON FRESH MEATS | | | SCAC4 |
