AS9100 & ISO 9001 Made in the USA

Plastic Molding Services

Southwest Plastics is a specialty manufacturer of high temperature and engineered thermoplastic, and thermoset plastic components. As an ISO 9001 certified manufacturer, we utilize the best injection molding, compression molding, and transfer molding techniques to consistently produce millions of custom, high quality, and high tolerance plastic parts every year. Clients range from aerospace contractors to small manufacturers with part runs from several thousand to millions of units each year.

Southwest Plastics' capabilities include:

  • Thermoset Transfer Molding
  • Thermoset Compression Molding
  • Thermoset Injection Molding
  • Thermoplastic Injection Molding
  • Rubber Molding


Southwest Plastics' support services include:

  • Design Consulting
  • Engineering Capabilities
  • Mold Making
  • Precision Machining
  • Assembly
  • Finishing
  • Packaging
  • Experience Staff
  • Inspection and Testing
  • Molding Material

Ready to take action? Contact Us!


620 W. Foothill Blvd.,
Glendora, CA 91741

Stop by for coffee!



Questions? Call us!


Prefer a paper trail? Email us instead!