1 | PTRX | Petrolite Corp. | added 4/1984; 1/1994-7/2005 | | NAKINA |
2 | PTRX | Petrolite Corp., Bareco Division | added 10/1965; 10/1966-1/1980; eliminated 4/1984 | | NAKINA |
3 | PTRX | Petrolite Corp., Bareco Division | added 10/65; 10/66-1/80; eliminated 4/84 | | NRHS |
4 | PTRX | Petrolite Corp. | added 4/84; 1/94-7/2000 | | NRHS |
5 | PTRX | PETROLITE CORP. | | | PWRC |
6 | PTRX | PETROLITE CORPORATION | | | PWRC |
7 | PTRX | Petrolite Corporation | | | RSRV |
8 | PTRX | PETROLITE CORP | | | SCAC3 |
9 | PTRX | PETROLITE CORPORATION | | | SCAC4 |