







Hi-Rel Plastics & Molding Corp. delivers precision injection molding, blow molding, and cleanroom manufacturing for industries where quality, consistency, and compliance are non-negotiable. From concept to production, we ensure every part meets the highest standards.
MAJOR INDUSTRIES
Hi-Rel Plastics & Molding Corp. is a full-service manufacturer specializing in custom injection molding, blow molding, and precision plastic components for demanding industries. From part evaluation and prototyping to tool design, mold building, and production, we support every stage of the process with quality, consistency, and on-time delivery.
With more than 40 years of experience, we help customers in medical, aerospace, military, and industrial markets bring complex parts to life with strict tolerances and dependable performance.
From concept to production, Hi-Rel Plastics & Molding Corp. delivers precision manufacturing solutions tailored to demanding industries, ensuring quality, consistency, and performance at every stage. View our services below.
Accelerate development with rapid prototyping and 3D printing for faster design validation and reduced time to production.
Custom blow molding solutions for durable hollow parts across a wide range of industrial applications.
In-house mold design and tool building ensures precision, efficiency, and long-term production reliability.
Controlled cleanroom manufacturing for medical and high-purity applications requiring strict contamination control.
High-precision injection molding for complex components with tight tolerances and consistent, repeatable quality.
Specialized LSR molding for flexible, durable components used in demanding and high-performance environments.
High-performance plastic parts built to withstand demanding environments, ensuring durability, consistency, and long-term reliability.
Tight-tolerance components designed to meet strict aerospace standards for performance, safety, and reliability.
Custom-molded components engineered for strength, precision, and high-volume production environments.
Hi-Rel Plastics & Molding Corp. partners with leading companies across multiple industries to deliver high-quality, precision-engineered plastic components. Our expertise, advanced capabilities, and strict quality standards ensure every project meets the performance demands of its application.