| 1 | TSPX | Service Oil Refining Co. | 8/1920 | | NAKINA |
| 2 | TSPX | Texas Sulphur Products Co., Inc. | added 4/1977; eliminated 4/1979 | | NAKINA |
| 3 | TSPX | Texas Sulphur Products Co. | added 4/1979; 1/1980; eliminated 7/1985 | | NAKINA |
| 4 | TSPX | Newmont Nevada Energy Investment LLC | added 10/2007 | | NAKINA |
| 5 | TSPX | Texas Sulphur Products Co., Inc. | eliminated 4/79 | | NRHS |
| 6 | TSPX | Texas Sulphur Products Co. | added 4/79; 1/80 | | NRHS |
| 7 | TSPX | *TEXAS SULPHUR PRODUCTS COMPANY | | | PWRC |
| 8 | TSPX | +NEWMONT NEVADA ENERGY INVESTMENT, LLC | | | PWRC |
| 9 | TSPX | Texas Sulphur Products | | | RSRV |
| 10 | TSPX | NEWMONT NEVADA ENERGY INVESTMENT LL | | | SCAC4 |
