| 1 | Tempcraft Inc. | | USA |
| 2 | Ferronics | | USA |
| 3 | Advanced Ceramic Technology | | USA |
| 4 | TOTC Tateho Ozark Technical Ceramics Inc. | | USA |
| 5 | Olin Brass Beryllium Copper Div. | | USA |
| 6 | Unicast Development Corp. | | USA |
| 7 | Industrial Ceramic Products Inc. | | USA |
| 8 | Du-Co Ceramics Co. | | USA |
| 9 | Ceramic Products Corporation | | USA |
| 10 | Pacific Sintered Metals A Div. of PSM Industries | | USA |
| 11 | Ceramic Systems Inc. | | USA |
| 12 | World Products Inc. | | USA |
| 13 | DAI Ceramics Inc. | | USA |
| 14 | Mitronics Products | | USA |
| 15 | Sherwood Refractories Inc. | | USA |
| 16 | New Jersey Porcelain Co. Inc. | | USA |
| 17 | Arnold Engineering Co. The | | USA |
| 18 | Hutchins Fonderie D’Aluminium Enr | | USA |
| 19 | Magtak Inc. | | USA |
| 20 | HP Core Co. Inc. | | USA |
| 21 | Core-Tech | | USA |
| 22 | Astro Met Inc. | | USA |
| 23 | CeramTec North America LLC | | USA |
| 24 | Akron Porcelain & Plastics Co. | | USA |
| 25 | Metsch Refractories Inc. | | USA |
| 26 | A C Technologies | | USA |
| 27 | Machined Ceramics Inc. | | USA |
| 28 | Accuratus Corporation | | USA |
| 29 | TQ Abrasive Machining | | USA |
| 30 | ERG Aerospace | | USA |
| 31 | McDanel Advanced Ceramic Technologies | | USA |
| 32 | Texas Technical Ceramics Inc. | | USA |
| 33 | LSP Industrial Ceramics Inc. | | USA |
| 34 | ICK Products Ltd. | | USA |
| 35 | American Ceramic & Clay Co. | | USA |
| 36 | Patz Materials & Technologies | | USA |
| 37 | National Magnetics Group Inc. | | USA |
| 38 | Precision Ferrites & Ceramics | | USA |
| 39 | IJ Research Inc. | | USA |
| 40 | Keir Manufacturing Inc. | | USA |
| 41 | Hyde Industrial Blade Solutions | | USA |
| 42 | CMI Technology Inc. | | USA |
| 43 | Maryland Ceramic & Steatite Co. Inc | | USA |
| 44 | Morgan Advanced Materials | | USA |
| 45 | Pekay Industries Inc. | | USA |
