| 1 | VMMX | Vulcan Materials Co., Metals Division | added 7/1972; 1/1975-1/1980; eliminated 7/1988 | | NAKINA |
| 2 | VMMX | AMG Resources Corporation | added 7/1988; 1/1994 | | NAKINA |
| 3 | VMMX | Vulcan Materials Co., Metals Division | 1/75-1/80; eliminated 7/88 | | NRHS |
| 4 | VMMX | AMG Resources Corporation | added 7/88; 1/94 | | NRHS |
| 5 | VMMX | AMG RESOURCES CORPORATION [VULCAN MATERIALS CO., METALS DIV.] | | | PWRC |
| 6 | VMMX | Vulcan Materials Metals Division | | | RSRV |
