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About Us

Founded in 1962, KASO is a leader in the plastic injection molding industry

KASO Plastics is not your average plastic injection molding company.

Founded in 1962, KASO became a leader in the plastic injection molding industry by providing a highly effective mix of professional engineering, manufacturing, and project management expertise for diverse and exciting industries. Passionate about supporting your project from the early stages of new product development throughout parts production and assembly, we are confident you’ll find our service level is second-to-none.

Located just off Interstate 205 in Northeast Vancouver, Washington, KASO’s state-of-the-art injection molding facility and experienced staff are known throughout the region for our commitment to quality, modern manufacturing techniques, and technical skill. Find out what makes KASO a contract manufacturing powerhouse in the Vancouver/Portland area.

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KASO is ISO 9001:2015 Certified

There is no substitute for experience

TAKE A TOUR OF KASO'S INJECTION MOLDING FACILITY!

  • Plastic injection molding services

    Founded in 1962, KASO Plastics is a full-service injection molder of high-quality, close-tolerance plastic parts.

  • New product development

    At KASO, every step of our new product introduction process was created to ensure finished designs address all aspects of design and production.

  • 3D printing and rapid prototyping

    Rapid prototyping plays a major role in successful product development.

  • Metal to plastic part conversion

    Metal to Plastic Conversion projects are common at KASO. 

  • Quality Control

    At KASO Plastics, quality control will never be an afterthought. We pride ourselves in expert level experience and technology that backs it up!