Join SPI

SPI membership gives you a voice in shaping the future of the plastics industry and provides a forum for interaction with your fellow industry leaders. SPI holds the key to a more successful business. Join today and access a wealth of member benefits.

The following are for new members only. SPI membership dues are calculated on a pro-rated basis. For more information, please contact the SPI Membership Department at (202) 974-5212 or via email at  

U.S. Manufacturers

  • Resin/Materials Supplier Manufacturers of raw materials, fillers, stabilizers, pigments, and other components to form plastic products. 
  • Product Manufacturer/Processor/Fabricator Manufacturers of plastics products (injection molding, blow molding, thermoforming, extrusion, transfer molding, compression molding, etc.). 
  • OEM/Brand Owner Processes, purchases or uses plastics as a raw material or in finished form as part of any product that is sold or marketed in the United States to commercial or retail markets.
  • Recycler Manufacturers of products processed from plastics materials or combined and/or assembled with products made of non-plastics materials.
  • Machinery/Equipment Manufacturer Manufacturers of plastics machinery and components.
  • Moldmaker Manufacturers of plastic part molds. 
  • Purchasers, Distributors, Mfg. Reps., Industrial Services Membership class includes: Purchasers/Distributors of plastics products for manufacturing components or resale or a manufacturers' representative; Provides industrial services (such as transportation firms, contract packagers, warehouses, etc.) to plastics industry companies.
  • Service Provider  Companies such as publishing, educational, research, consulting partnerships or corporations, etc., that devote a significant part of its efforts to the plastics industry, or renders professional services.  Individuals engaged in educational, governmental, research or professional pursuits directly related to the development or utilization of plastics.

Foreign Based Manufacturers

  • Associate – Foreign-based manufacturers with no U.S. sales.

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