| 1 | Cass Polymers | | USA |
| 2 | American Graphite Corporation | | USA |
| 3 | Western Container Corp. | | USA |
| 4 | Monoco Inc. | | USA |
| 5 | Die-Tech Casting Inc. | | USA |
| 6 | AGL Mfg. Co. | | USA |
| 7 | Founders Service & Manufacturing Co. Inc. | | USA |
| 8 | Magtak Inc. | | USA |
| 9 | Nomar Castings Inc. | | USA |
| 10 | Elmira Pattern & Foundry Co. Inc. | | USA |
| 11 | HP Core Co. Inc. | | USA |
| 12 | Chicago Heights Brass Foundry Inc. | | USA |
| 13 | Superior Pattern Works Inc. | | USA |
| 14 | JR Core Co. | | USA |
| 15 | Friends Foundry Inc. | | USA |
| 16 | Hutchins Fonderie D’Aluminium Enr | | USA |
| 17 | Core-Tech | | USA |
| 18 | Akron Porcelain & Plastics Co. | | USA |
| 19 | Metsch Refractories Inc. | | USA |
| 20 | Humtown Products | | USA |
| 21 | Arrow Castings | | USA |
| 22 | Federal File Co. Inc. | | USA |
| 23 | Faircast Inc | | USA |
| 24 | PCS Co. | | USA |
| 25 | Pentz Design Pattern & Foundry Inc | | USA |
| 26 | Tooling & Equipment International | | USA |
| 27 | C & L Aluminum Foundry Inc. | | USA |
| 28 | Supreme Cores Inc. | | USA |
| 29 | Innovative Polymers Inc. | | USA |
| 30 | Rush Tool | | USA |
| 31 | Smolk Gary A. & Co. Inc. | | USA |
| 32 | Exochem Inc. | | USA |
| 33 | Dayton Pattern Inc. | | USA |
| 34 | Quality Cores | | USA |
| 35 | Roehr Tool | | USA |
| 36 | Trio Foundry | | USA |
| 37 | Ceramic Systems Inc. | | USA |
| 38 | Kore Mart Ltd. | | USA |
| 39 | DAI Ceramics Inc. | | USA |
| 40 | J-Lenco Inc. | | USA |
| 41 | Unicast Development Corp. | | USA |
