Industrial Group I
 | Wacker | GERMANY |
 | Arakawa | USA |
 | Alpa | ITALY |
 | Vinnolit | GERMANY |
 | Southern Clay Products | USA |
 | Dia-Nitrix | JAPAN |
|
| Wacker | GERMANY |
|
| Arakawa | USA |
|
| Alpa | ITALY |
|
| Vinnolit | GERMANY |
|
| Southern Clay Products | USA |
|
| Dia-Nitrix | JAPAN |