1 | PENX | Penford Products Co. | added 10/1995; 7/2000-7/2005 | | NAKINA |
2 | PENX | Metalurgica Mexicana Penoles, S.A. | added 7/1961; 7/1965-1/1975; eliminated 7/1976 | | NAKINA |
3 | PENX | Compania Minera de Penoles, S.A. | 7/1954-4/1961; eliminated 7/1961 | | NAKINA |
4 | PENX | Compania Minera de Penoles, S.A. | 10/57-4/61 | | NRHS |
5 | PENX | Metalurgica Mexicana Penoles, S.A. | 7/65-1/75; eliminated 7/76 | | NRHS |
6 | PENX | Penford Products Co. | added 10/95; 7/2000 | | NRHS |
7 | PENX | *METALURGICA MEXICANA PENOLES, SA [COMPANIA MINERA DE PENOLES, SA] | | | PWRC |
8 | PENX | +PENFORD PRODUCTS COMPANY | | | PWRC |
9 | PENX | Penford Products | | | RSRV |