Products & Capabilities

Crown Plastics Saint Louis Arch

Core Business

Crown Plastics specializes in manufacturing high-quality lighting diffusers and enclosures using engineered grade Polycarbonate, Acrylic, Impact Modified Acrylic, LD Acrylic and Polyethylene materials. The OEM and distribution industry relies on Crown’s 45 years of experience providing premium products that are designed and produced in the heartland of America.


Special Shapes

Made in USA


• Available in Acrylic & Polycarbonate
• Variety of Textures & Colors
• Specializing in Transparent & Translucent
• Project Based Customization
• Low Tool Costs for Custom Applications

Injection Molding

• Specializing in Transparent & Translucent
• Acrylic, Polycarbonate, Polypropylene & Polyethylene
• Custom Tool Design & Construction
• Tooling Project Coordination
• Quick Production Runs

special shapes
blow molding

Blow Molding

• Specialty Custom Blow Molding
• Custom Tooling Capability
• Various Shapes & Sizes
• Low Tooling Cost

Extruded Blow Molding is used to manufacture a variety of specialized products and shapes in a one-piece configuration

We use Injection Blow Molding to create globes and spheres ranging from 6" to 22" in size

Injection Molding press capabilities accommodate a wide range of products, part sizes, and shapes

Vacuum Forming process allows us to create customized lighting enclosure components

Our wide range of fabrication methods such as CNC routing, drilling, sanding, and polishing are used to create custom parts

Custom Manufacturing

Crown Plastics offers custom manufacturing capabilities to any OEM. We will work with you to develop your product application and design based on your end-user insight research. You can trust Crown Plastics with your proprietary needs.

Understanding Plastics

Polycarbonate VS Acrylic - Determine Which is Best for Your Project


Inter-Global, Inc., is our parent company, also based in St. Louis, Missouri. Inter-Global is a component supplier to the OEM lighting fixture business and to the electrical lighting aftermarket. Learn more about Inter-Global, Inc at

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