| 1 | PFMX | Perdue Agribusiness Inc. | added 7/2007 | | NAKINA |
| 2 | PFMX | Perdue Transportation, Inc. | added 1/1998; 7/2000-7/2005; eliminated 7/2007 | | NAKINA |
| 3 | PFMX | Penn Formaldehyde Manufacturing Co. | 8/1920 | | NAKINA |
| 4 | PFMX | Perdue Transportation, Inc. | added 1/98; 7/2000 | | NRHS |
| 5 | PFMX | *PENN FORMALDEHYDE MFG. CO. | | | PWRC |
| 6 | PFMX | +PERDUE AGRIBUSINESS INC. [PERDUE TRANSPORTATION, INC.; INTERTRADE, A DIVISION OF PERDUE FARMS, INC.] | | | PWRC |
| 7 | PFMX | Perdue Transportation | | | RSRV |
| 8 | PFMX | PERDUE AGRIBUSINESS INCORPORATED | | | SCAC4 |
