| isopa.org | Isopa |
| diecastdies.com | American Mold Builders Association - Southwestern Michigan Chapter |
| ecvm.org | European Council of Vinyl Manufacturers (EVCM) |
| cfeca.org | California Film Extruders and Converters Association |
| apme.org | Association of Plastics Manufacturers in Europe |
| americanplasticscouncil.org | American Plastics Council |
| amba.org | American Mold Builders Association |
| napcor.com | North American PET Plastics Organization |
| 4spe.org | Society of Plastics Engineers |
| iisrp.com | International Institute of Synthetic Rubber Producers (IISRP) |
59162