Cascadia Custom Molding (also known as Sound Plastics) is an injection molding company. It offers manufacturing design, machining, threaded insert installation, ultrasonic welding, inkjet printing, general mechanical and adhesive assembly, and packaging services. The company caters to the aerospace, medical, electronic, transportation, and industrial markets. Cascadia Custom Molding was formed as a result of a merger between Accurate Molded Plastics and Mold-Rite.