Your Partner for Plastic Solutions

Providing custom solutions with high quality plastic components since 1987.

From custom extrusions, standard extrusions and injection molded components, to CNC machining, fabrication and assembly, we are your one-stop shop when it comes to plastics.

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Founded in 1987 and now operating as part of Grupo Verzatec, SeaGate Plastics provides customers with reliable production, engineering support, and quick turnaround times. With over 85,000 square feet of manufacturing space across Ohio and Michigan, the company continues to serve businesses that rely on consistent quality and dependable service.

As one of the established plastic extrusion companies in North America, SeaGate Plastics has built its name on precision manufacturing and long-term customer relationships. Every project is managed by a team that understands the specific needs of industrial, packaging, construction, and OEM customers.

Capabilities Overview

SeaGate Plastics specializes in a wide range of fabrication services. This includes custom and standard plastic extrusion, injection molded plastics, and CNC machining of plastic sheet goods. With in-house tooling, engineering design, and material selection support, customers can bring their part concepts to life without juggling multiple vendors.

Stock Plastic Extrusions

SeaGate Plastics supplies a broad range of in-stock profiles, including U-channels, tubing, flippers, angles, and snap-on components. Choosing from our existing dies reduces lead times and tooling costs. As one of the trusted plastic extrusion companies in the U.S., we maintain active inventory and offer just-in-time shipping to support your production schedule.

Custom Plastic Extrusions

We work closely with customers to design and produce custom extrusions that meet exact specifications. From material selection to tooling, our in-house team manages every step. As experienced plastic extrusion manufacturers, we deliver consistent results across industries like packaging, construction, and OEM manufacturing.

Plastic CNC Machining & Fabrication (and Injection Molding)

SeaGate Plastics offers CNC routing and machining for plastic sheet goods up to 3 inches thick. We cut, drill, and shape parts to spec, and can add services like tape application and assembly. Combined with our injection molded plastics production, we provide a full range of plastic part solutions—all under one roof.

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Industries Served

SeaGate Plastics delivers consistent quality and fast turnaround for a wide range of industries:

Automotive – Returnable dunnage, parts separators, battery dividers, automotive interior components, seals, and protective spacers
Industrial Packaging – Edge protectors, liners, plastic tote and reusable shipping components
OEM Manufacturing – Functional parts, structural supports, and plastic housings integrated into finished products
Material Handling and Warehousing – Shelf liners, guides, and containment barriers, plastic partitions, inventory management
Construction – Trim profiles, utility channels, weatherstripping, garage door and framing components
Retail Displays and POP Signage – Sign holders, product stops, shelf strips, tote framing, secondary vinyl labeling and tape application

Each application is backed by our experience in plastic extrusion, CNC machining, and injection molded plastics manufacturing.

Recent News

Unlock the Benefits of Plastic Sheet Fabrication

By admin | December 22, 2023

Click to Expand Plastic sheet fabrication involves transforming plastic materials into flat, thin sheets using methods such as extrusion and casting. In the extrusion process, plastic pellets are melted and pushed through a die to produce continuous sheets with even thickness. Meanwhile, casting utilizes molds to create various shapes and sizes of plastic sheets. This…

What To Look For in Stock Plastic Extrusions

By admin | December 19, 2023

Stock plastic extrusions refer to pre-made, standardized profiles or shapes produced through extrusion. Extrusion is a manufacturing process in which raw material is melted and forced through a die to create continuous strips with consistent cross-sectional shapes. These profiles can be cut into desired lengths to produce plastic components or products. Standardized extrusions are commonly available…

Everything You Want To Know About Plastic Injection Molding

By admin | July 7, 2023

In manufacturing, efficiency and reliability are crucial to success. This is where plastic injection molding plays a critical role, revolutionizing the industry with its precision and convenience. This blog will dive into plastic injection molding — its history, the process, and how it can benefit your business. History of Plastic Injection Molding Plastic injection molding…

Why Choose SeaGate Plastics

There are many plastic extrusion manufacturers, but SeaGate Plastics stands out through its domestic production and hands-on support. Projects are managed by engineers and production staff who understand the impact of lead times, cost-efficiency, and design consistency. Customers value the ability to communicate directly with the people responsible for their products.

SeaGate also provides secondary services such as cutting, drilling, tape application, screen printing, and light assembly. This helps reduce production steps for clients and allows products to arrive ready for final use or integration.

Just-in-time delivery from the company’s 20,000-square-foot warehouse.

Whether your team is looking for plastic extrusion manufacturers to support repeat production or a supplier of injection molded plastics for custom components, SeaGate Plastics offers a dependable and efficient solution. Reach out today to request a quote, start a design consultation, or learn more about capabilities.