Newport Plastics LLC

About Newport Plastics LLC

Newport Plastics LLC is a family-owned custom injection molding company based in Brea, California. Founded in 1976, the business has operated in the Southern California region for over five decades. The company provides custom injection molding of plastics using horizontal and vertical presses ranging from 30 to 500 tons, with barrel capacities from 1.5 to 10 ounces. It runs standard and engineering-grade resins, including prime and recycled materials. In-house capabilities encompass mold design and tooling (standard, aluminum, and class A), CNC/EDM machining, 3D printing, and Class 7 and 8 cleanroom production and assembly. Secondary operations include ultrasonic welding, silk screening, hot stamping, pad printing, assembly, decorating, packaging, and shipping. The shop handles prototype through production volumes, both short and long runs. Newport Plastics serves the medical, telecommunications, aerospace, and consumer products industries, as well as customers seeking promotional items. The company positions itself as an alternative to overseas manufacturing for promotional products. The company emphasizes its one-stop-shop model, with all tooling, production, and shipping performed on-site to enable quick turnaround, close customer collaboration, and reduced shipping costs. It highlights personalized service, on-time delivery, and adherence to ISO standards.

Equipment

• 30-500 ton horizontal and vertical injection molding presses
• CNC/EDM machines
• 3D printing (stereolithography)
• AutoCAD/CAM systems

Company details

Location

Brea, California

Company type

Manufacturer

Founded

1976

Ownership

Family-owned

Production volume

Small to large runs; prototype to production quantities

Certifications

ISO standards

Frequently asked questions