| Company | # of Roles | |
|---|---|---|
| Black Sea Metals Inc | 14 | |
| Sharp | 9 | |
| Goldrich Mining Co | 9 | |
| Commodore Applied Technologies Inc | 7 | |
| Key Technology Inc | 7 | |
| Boise State University | 5 | |
| Sharp Inc | 4 | |
| Gold Mining Co | 4 | |
| OTCBB | 4 | |
| Gryphon Gold Corp | 3 | |
| Goldrich Mining Co Inc | 1 | |
| KTEC | 1 | |
| Commodore Applied Technologies | 1 | |
| Hunt Mining Corp | 1 |