| 1 | PPCX | Perfect Packed Products Co., Inc. | 1/1950-10/1957; eliminated 7/1959 | | NAKINA |
| 2 | PPCX | Peyton Packing Co. (Mather Stock Car Co.) | 1/1941-1/1943; 1/1945 (not listed) | | NAKINA |
| 3 | PPCX | Peyton Packing Co. | 7/1930-4/1938 | | NAKINA |
| 4 | PPCX | Peyton Packing Co. (Mather Stock Car Co.) | Apr-38 | | NRHS |
| 5 | PPCX | Perfect Packed Products Co., Inc. | 1/52-10/57; eliminated 7/59 | | NRHS |
| 6 | PPCX | *PERFECT PACKED PRODUCTS CO. [PEYTON PACKING CO.] 9MATHER STOCK CAR CO.) | | | PWRC |
| 7 | PPCX | *AAPRCO LIST OF PRIVATELY OWNED PASSENGER CARS & LOCOMOTIVE EQUIP. | | | PWRC |
| 8 | PPCX | American Association of Private Railroad Car Owners (AAPRCO) | | | RSRV |
| 9 | PPCX | PRIVATELY OWNED PASSENGER CARS & LO | | | SCAC4 |
