| 1 | DYNX | Dyno Nobel, Inc. | added 1/1994; 7/2000-7/2005 | | NAKINA |
| 2 | DYNX | Dynabulk Corp. | added 4/1966; 10/1966; eliminated 7/1969 | | NAKINA |
| 3 | DYNX | Dynabulk Corp. | added 4/66; 10/66; eliminated 7/69 | | NRHS |
| 4 | DYNX | Dyno Nobel, Inc. | added 1/94; 7/2000 | | NRHS |
| 5 | DYNX | *DYNABULK CORP. | | | PWRC |
| 6 | DYNX | +DYNO NOBEL, INC. | | | PWRC |
| 7 | DYNX | Dyno Nobel | | | RSRV |
| 8 | DYNX | DYNO NOBEL, INC. | | | SCAC4 |