| 1 | PPPC | PERRY PETROLEUM PRODUCTS CARTAGE CO | | | SCAC3 |
| 2 | PPPC | PAN PACIFIC PETROLEUM COMPANY INC | | | SCAC4 |
| 3 | PPPE | PROTO PLUS TRANSPORT INC | | | SCAC4 |
| 4 | PPPI | PET POULTRY PRODUCTS INC | | | SCAC3 |
| 5 | PPPK | PUERTO RICO PACKERS, INC. | | | SCAC3 |
| 6 | PPPK | PUERTO RICO PACKERS INC | | | SCAC4 |
| 7 | PPPL | PORTAL PIPE LINE COMPANY | | | SCAC3 |
| 8 | PPPO | POWER POOL PLUS | | | SCAC4 |
| 9 | PPPP | POPS PIPE & SUPPLY | | | SCAC3 |
| 10 | PPPP | PENNS PROFESSIONAL PACKING INC | | | SCAC4 |
| 11 | PPPR | PETALUMA POULTRY PROCESSORS | | | SCAC3 |
| 12 | PPPS | PERKS PIERCE PIVOTS | | | SCAC3 |
| 13 | PPPT | PICO PETROLEUM PRODUCTS | | | SCAC4 |
| 14 | PPPU | PEIPPO OY | | | SCAC3 |
| 15 | PPPX | Pepin Pickling Co. | 7/1935-7/1954; eliminated 10/1956 | | NAKINA |
| 16 | PPPX | Pepin Pickling Co. | 4/38-1/52 | | NRHS |
| 17 | PPPX | PEPIN PICKLING CO. | | | PWRC |
| 18 | PPPY | PEARCE PETROLEUM PRODUCTS | | | SCAC4 |
| 19 | PPPZ | PLEASANT PRAIRIE POWER PLANT | | | PWRC |
