| 1 | TRC Minerals | | USA |
| 2 | Blue Streak Industries Inc. | | USA |
| 3 | Rockmore International | | USA |
| 4 | Schueddig Charles Tool Works | | USA |
| 5 | Smith International Inc. | | USA |
| 6 | Dynatech | | USA |
| 7 | Anchors Unlimited Inc. | | USA |
| 8 | Eastern Driller Manufacturing Co. | | USA |
| 9 | Champion Chisel Works Inc. | | USA |
| 10 | Border City Tool & Manufacturing Co. | | USA |
| 11 | Throop Rock Bit Co. | | USA |
| 12 | Michigan Pneumatic Tool Inc. | | USA |
| 13 | Dynalloy Industries | | USA |
| 14 | Hilti Inc. | | USA |
| 15 | Mobile Drill International | | USA |
| 16 | Railhead Underground Products LLC | | USA |
| 17 | Torquato | | USA |
| 18 | Kemaico | | USA |
| 19 | Superior Rock Bit Co. | | USA |
| 20 | Numa Introduces Hammer | | USA |
| 21 | Brunner & Lay Inc. | | USA |
| 22 | Hennessy International Inc. | | USA |
| 23 | Jiffy Products Co. Inc. | | USA |
| 24 | Good Earth Tools | | USA |
| 25 | Thompson International Inc. | | USA |
| 26 | Ulterra Drilling Technologies | | USA |
| 27 | Rock-Weld Industries Inc. | | USA |
| 28 | Kay Rock Bit Co. | | USA |
| 29 | Commercial Forged Products | | USA |
| 30 | Bellwether Resources International Inc. | | USA |
