| 1 | PPC | Palau Asia Pacific Airlines | Callsign: Palau Asiapac, | PAL | AVCODES |
| 2 | PPC | Palau Asia Pacific Airlines | | | ICAO1 |
| 3 | PPCB | POWERS, PATRICK CUSTOM BROKERS INC | | | SCAC4 |
| 4 | PPCC | PETROLEUM PACKAGE CARRIER COMPANY | | | SCAC3 |
| 5 | PPCD | PELICAN PACKAGING COMPANY TRUCKING | | | SCAC4 |
| 6 | PPCE | PPC PRODUCTION PRODUCTS COMPANY | | | SCAC4 |
| 7 | PPCH | PEOPLES CHOICE, THE | | | SCAC3 |
| 8 | PPCH | PRAIRIE PETRO-CHEM | | | SCAC4 |
| 9 | PPCI | PPC INC | | | SCAC4 |
| 10 | PPCJ | POWER PROCESS CONTROL SA DE CV | | | SCAC4 |
| 11 | PPCK | P & P CARRIERS LLC | | | SCAC4 |
| 12 | PPCM | PACIFIC PRODUCE COMPANY LIMITED | | | SCAC3 |
| 13 | PPCM | PACIFIC PRODUCE CO LTD | | | SCAC4 |
| 14 | PPCP | PUCKERED PICKLE COMPANY, THE | | | SCAC4 |
| 15 | PPCQ | PIPELINE CONNECTORS INTERNATIONAL L | | | SCAC4 |
| 16 | PPCR | PARS PRIVATE CAR SERVICE | | | SCAC3 |
| 17 | PPCT | PAPERCRAFT INC | | | SCAC3 |
| 18 | PPCT | PACIFIC PRIDE CHICKS LTD | | | SCAC4 |
| 19 | PPCU | KANTO-PPC INC | | RC | BIC |
| 20 | PPCU | AZTEC PEROXIDES,INC | | | SCAC3 |
| 21 | PPCU | PROSPERCHEM INC | | | SCAC4 |
| 22 | PPCV | PRAIRIE PRIDE COOPERATIVE | | | SCAC4 |
| 23 | PPCW | PRO-POWER CANADA INC | | | SCAC4 |
| 24 | PPCX | Perfect Packed Products Co., Inc. | 1/1950-10/1957; eliminated 7/1959 | | NAKINA |
| 25 | PPCX | Peyton Packing Co. (Mather Stock Car Co.) | 1/1941-1/1943; 1/1945 (not listed) | | NAKINA |
| 26 | PPCX | Peyton Packing Co. | 7/1930-4/1938 | | NAKINA |
| 27 | PPCX | Peyton Packing Co. (Mather Stock Car Co.) | Apr-38 | | NRHS |
| 28 | PPCX | Perfect Packed Products Co., Inc. | 1/52-10/57; eliminated 7/59 | | NRHS |
| 29 | PPCX | *PERFECT PACKED PRODUCTS CO. [PEYTON PACKING CO.] 9MATHER STOCK CAR CO.) | | | PWRC |
| 30 | PPCX | *AAPRCO LIST OF PRIVATELY OWNED PASSENGER CARS & LOCOMOTIVE EQUIP. | | | PWRC |
| 31 | PPCX | American Association of Private Railroad Car Owners (AAPRCO) | | | RSRV |
| 32 | PPCX | PRIVATELY OWNED PASSENGER CARS & LO | | | SCAC4 |
| 33 | PPCY | PAPER CITY TRANSPORT INC | | | SCAC3 |
| 34 | PPCZ | POTLACH PAPER CO. | | | PWRC |
