EVCO Plastics

EVCO Plastics

100 W North St, Deforest, Wisconsin, 53532, United States

AboutEVCO Plastics

At EVCO Plastics, were rewriting the way injection-molded plastics is done.

Since 1964, we’ve been pushing the boundaries—in plastics, precision, performance and people. Because perfection is what our best-in-class manufacturing clients need and expect. Our commitment to excellence has helped EVCO grow into a globally recognized and trusted leader in injection molding. We tackle problems, test theories and partner with the world’s best engineers so we can be the source for Where Innovation Takes Form. And over five decades, we’ve also maintained a steadfast commitment to customer service, protecting cost efficiencies and profitability on every project.


Investment and expertise in state-of-the-art technology and plastic injection molding innovation is a core component of EVCO Plastics approach and commitment to our customers as a leading custom injection molder and plastic products manufacturer. Our engineering team works closely with your team to select and apply the most effective plastic injection molding technologies for your application, including multi-shot molding, overmolding, insert molding, in-mold decorating (IMD) and in-mold labeling (IML), , gas assist molding, stack molding technology.

In addition, EVCO Plastics employs the latest technologies and automation for secondary and integrated operations, providing fully labeled, decorated and assembled plastic injection molded parts and sub-assemblies for improved quality, increased efficiencies and overall cost savings. Some of these additional technologies include silk screening, pad printing, vacuum metallizing, hot stamping, shielding (EMI/RFI), ultrasonic welding, spin welding, vibration welding, machining, assembly and packaging.

OEMs worldwide partner with EVCO Plastics to benefit from our knowledge and investments in the latest plastic injection molding technologies and our ability to apply these technologies with innovation and effectiveness, so our customers achieve the most profitable results.

As a global plastic injection molder, EVCO Plastics currently operates over 157 injection molding machines, both horizontal and vertical, ranging from 28 to 3,500 tons, and a medical clean room facility at nine manufacturing facilities strategically located in the United States, Mexico and China.


From concept to delivery, EVCO Plastics provides competitive advantage in custom injection molded plastics through early supplier involvement, design for manufacturability, project management, R&D, in-house mold building and material selection support via our global systems and global locations in the United States, Mexico and China.

Our Responsibility

To continuously improve our people, procedures and technology to surpass our customers’ needs.

How we will always act:

  • Constant Respect for People
  • Uncompromising Integrity

Where we will continuously improve: 

  • Product Quality
  • Service to our Customers
  • Manufacturing
  • Technology
  • Market Share
  • Sustainability
  • Financial Stability

How we will do it:

  • Innovation
  • Communication & Vision
  • Education, Training and Empowerment
  • Working Smarter


EVCO Plastics expertise includes:

  • Global program management
  • Part design and mold design
  • Material selection and application
  • Mold building (USA and China)
  • Robotic automation
  • Large parts
  • Clean room molding
  • Complex parts and assemblies
  • Metal to plastic conversions
  • Thin wall plastic packaging
  • Contract manufacturing
  • Optimal part quality, appeal and functionality
  • Increasing customers’ manufacturing efficiencies and profitability
  • On-time delivery
  • Innovative solutions
  • Providing a competitive edge