| 1 | Precision Surfacing Solutions | | USA |
| 2 | Lapmaster Wolters | | USA |
| 3 | Flexovit USA Inc. | | USA |
| 4 | BORIDE Engineered Abrasives | | USA |
| 5 | Coastal Diamond | | USA |
| 6 | Diamond Industrial Tool & Fastener | | USA |
| 7 | Kunshan Xinlun Superabrasives Co. Ltd. | | USA |
| 8 | Action Superabrasive | | USA |
| 9 | Allison Abrasives Inc. | | USA |
| 10 | Norton Abrasives | | USA |
| 11 | Applied Superabrasives Inc. | | USA |
| 12 | Stahli U.S.A. | | USA |
| 13 | Western Abrasives | | USA |
| 14 | CGW Camel Grinding Wheels USA | | USA |
| 15 | Cheil Grinding Wheel | | USA |
| 16 | American Diamond Tool Inc. | | USA |
| 17 | Colonial West Abrasives | | USA |
| 18 | Daco Abrasives | | USA |
| 19 | Sandusky Chicago Abrasive Wheel | | USA |
| 20 | Grier Abrasive Co. Inc. | | USA |
| 21 | Carborundum Inc. | | USA |
| 22 | Ziegler Bolt & Part Co. | | USA |
| 23 | Fives Landis Corp. | | USA |
| 24 | Electro Diamond Tools/Superior Abrasive Products | | USA |
