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Custom Plastic Injection Molding Backed by Engineering Precision

Engineering Industries (EI) combines custom injection molding experience with advanced molding equipment, automation, and integrated assembly capabilities. Engineers and operators work together to refine each step – tooling, materials, and process – so production runs smoothly and parts meet print every time. Automation keeps output consistent, while an accountable culture keeps customers supported.

Precision Starts
with People

Engineering Industries (EI) is a 100% employee-owned plastic injection molding manufacturer built on collaboration, automation, and technical expertise. Every molded part reflects a shared commitment to quality, reliability, and thoughtful problem-solving.

Capabilities That Fit Your Scale

Production centers around efficient, flexible equipment, and automation designed for complex parts

• Press range: 40 to 250 tons
• Machine types: electric and hydraulic molding machines
• Support: in-house engineering, value-added operations and in-house mold maintenance

Robotics and data-driven systems manage repeatability without losing agility – a setup that promotes agility for short and medium volume production runs.

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Plastic Injection Molding Solutions
for Diverse Markets

EI supports a broad range of industries through custom plastic injection molding and insert molding solutions. Each market benefits from material insight, tooling care, and process control refined over decades of molding experience.

A Culture of Ownership and Steady Growth

EI’s strength comes from people who think like owners. Decisions and actions reflect personal accountability. The atmosphere is professional, patient, and steady, built on integrity and genuine respect for customers and coworkers alike. Success isn’t rushed; it’s engineered.

Quality Grounded in Automation

An ISO 9001-certified system defines the way work is done. Automation supports inspection, documentation, and repeatability. Each line is monitored for accuracy, with electric and hydraulic presses configured for precise control of heat, pressure, and fill. Quality is measurable, not assumed.

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EI reviews prints, volumes, and materials to recommend the most efficient process. Responsive communication and clear next steps define every project launch.