| 1 | Wright Buffing Wheel Company | | USA |
| 2 | Conestoga Contact Wheel Inc. | | USA |
| 3 | Empire Abrasives | | USA |
| 4 | Associated Fastening Products Inc. | | USA |
| 5 | Flexovit USA Inc. | | USA |
| 6 | MJP & Company LLC dba Sandpaper America Inc. | | USA |
| 7 | XODE Inc. | | USA |
| 8 | Weiler Abrasives | | USA |
| 9 | Red Label Abrasives | | USA |
| 10 | Diamond Industrial Tool & Fastener | | USA |
| 11 | Allison Abrasives Inc. | | USA |
| 12 | Norton Abrasives | | USA |
| 13 | Uneeda Enterprizes Inc. | | USA |
| 14 | Tunco Manufacturing Inc. | | USA |
| 15 | CGW Camel Grinding Wheels USA | | USA |
| 16 | Contact Rubber Corp. | | USA |
| 17 | Saint-Gobain Ceramic Materials Canada Inc. | | USA |
| 18 | VSM Abrasives Corporation | | USA |
| 19 | Western Abrasives | | USA |
| 20 | Graff Diamond Products Ltd. | | USA |
| 21 | Wendt USA LLC | | USA |
| 22 | Beacut Abrasives Corp. | | USA |
| 23 | Sungold Abrasives | | USA |
| 24 | U.S. Shop Tools | | USA |
| 25 | Conestoga Contact Wheel Inc. | | USA |
| 26 | KNUTH Machine Tools USA Inc. | | USA |
| 27 | Keystone Abrasives | | USA |
