Who We Are

A sought-after custom plastic injection molder, Kaysun Corporation is the preferred partner to leaders in multiple industries that require injection molding expertise on complex projects. Kaysun’s commitment to customer success is evident in our early-supplier-involvement engineering before product launch and committed customer service afterwards.

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Capabilities, Certifications, and Areas of Expertise

The breadth of Kaysun capabilities plays a key role in successful project completion:

  • Engineered products for critical-use and tight tolerance applications
  • Collaborative engineering and product development support, including in-house teams of project, manufacturing, quality and automation engineers
  • In-house tooling design, engineering, maintenance and management
  • Process development and process control utilizing Scientific Molding, with onsite Master Molder I and II Technicians
  • Two-shot, insert molding and overmolding
  • Metal-to-plastic conversion and applications
  • A range of post-mold and secondary operations
  • Materials expertise ranging from engineered resins to soft-touch TPEs
  • State of the art automated quality control inspection equipment
  • Horizontal and vertical presses ranging from 35-940 tons, with a concentration on precision electric presses
  • Dedicated Continuous Improvement (CI) program
  • ISO 13485:2016 certification
  • IATF 16949:2016 certification 
  • International Traffic in Arms Regulations (ITAR) compliant 
  • MedAccred Plastics Accredited

Current Partnerships and Industries Served

When tackling advanced, highly engineered injection molding projects, companies turn to Kaysun, including these Fortune 500 and other world-class partners:

Stryker Corporation Logo
Eaton Corporation logo
Smiths Medical Logo



Molding parts and components for life-saving applications



Offering solutions for a vast range of industrial applications



Solving design challenges for complex automotive applications



Putting quality first for consumer product OEMs



Providing engineering expertise and innovation to a variety of markets

What Our Customers Say



Dave D.
Senior Industrial Designer

Kaysun exceeded our expectations in all areas. They made this complex, gigantic program easy from an engineering standpoint. Working with the Kaysun engineering team is like a hot knife through butter.

Kaysun is a flexible and supportive partner in the new product development cycle. They work to understand our functional requirements and then provide valuable DFM input to achieve our desired outcome. The Kaysun team demonstrates excellent capacity for project management. Their high quality metrology capability and equipment aligns well with our methodologies for ensuring capable, repeatable processes. Overall, they bring a great combination of internal and external resources that successfully transition parts from the development phase to full production.

Cindy L.
Supply Chain Leader

Sourcing Manager
Industrial OEM

Our success is directly related to the overwhelming commitment of talent and resource from the entire Kaysun team. They are professional, capable and easy to work with. During these unprecedented times, the Kaysun team — especially Denny McGuigan and Heather Kinzel — worked countless hours to keep us informed and used their considerable supply chain experience and industry influence to procure sufficient resin so we could meet our commitment to customers to "Keep the Lights On."

Join a Team Where You’re Respected, Valued, Fulfilled, and Connected

Our people manufacture highly engineered custom injection-molded products, yet it’s our culture that drives our excellence. We’re searching for motivated, talented individuals who embrace our values and are committed to growing something bigger than themselves.

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A Workplace With Integrity

  • Your voice is heard
  • Your ideas are welcomed
  • Your mind is challenged
  • You enjoy great benefits (anchor to benefits section below)
  • You share our core values: optimism, innovation, and teamwork
  • You care that your employer follows green initiatives and has a culture of responsibility to the environment and community
  • Your wellbeing is important to you, so it's important to us.