Custom Plastic Fabrication, Enclosures & CNC Machining - Custom Metal Fabrication Project Portfolio
At PEN Manufacturing, we provide custom plastic fabrication, plastic welding and fabrication, and plastic CNC machining services for OEMs and industrial manufacturers across the United States. Whether you need a prototype, low-volume production, or high-volume manufacturing, our experienced team delivers precision plastic components and assemblies that meet demanding performance, quality, and durability requirements.
Engineering plastics are widely used because they are lightweight, corrosion-resistant, durable, and cost-effective. They offer excellent chemical resistance, electrical insulation, and design flexibility, making them ideal for applications across aerospace, medical devices, electronics, industrial automation, transportation, construction, and consumer products.
With advanced machining capabilities, skilled fabricators, and strict quality control processes, PEN Manufacturing helps customers transform complex designs into reliable, production-ready plastic parts.
Comprehensive Plastic Fabrication Services
Our team specializes in manufacturing custom plastic components that meet your exact design and performance specifications. From material selection and precision machining to finishing and assembly, we support every stage of the manufacturing process.
Our plastic manufacturing capabilities include:
Custom plastic fabrication
Plastic CNC machining
Plastic welding and fabrication
Custom plastic enclosures
Precision cutting and machining
Assembly and finishing
Prototype and production manufacturing
Whether you're replacing metal components with lightweight plastics or designing a completely new product, we work closely with your engineering team to achieve optimal functionality, durability, and manufacturability.
Engineering Plastics We Fabricate
Selecting the right material is essential for long-term performance. We machine and fabricate a wide range of engineering plastics to suit different industrial applications.
Lexan
Lexan offers exceptional impact resistance and optical clarity, making it suitable for safety glazing, machine guards, aircraft windows, bus shelters, and protective barriers.
Polypropylene
Polypropylene is lightweight, chemically resistant, and suitable for applications requiring FDA compliance, making it ideal for food processing, laboratories, and chemical handling equipment.
PVC
PVC provides excellent corrosion resistance and durability, making it a reliable choice for industrial, commercial, and construction applications.
Nylon
Nylon combines high strength with excellent wear resistance and heat resistance. It is commonly used for fasteners, bushings, rollers, gears, and storage components.
Delrin
Delrin delivers outstanding dimensional stability, stiffness, strength, and low friction, making it an excellent material for precision mechanical components.
UHMW
Ultra High Molecular Weight (UHMW) plastic offers exceptional abrasion and impact resistance for demanding applications such as bearings, wear strips, hopper liners, gears, and material handling equipment.
Plastic CNC Machining & Custom Manufacturing
Our plastic CNC machining capabilities enable us to manufacture complex geometries with exceptional accuracy and repeatability. Using advanced machining equipment, we produce precision plastic components with tight tolerances for mission-critical applications.
Our machining services include:
CNC milling
CNC turning
Precision drilling
Routing
Cutting
Finishing
Assembly
Every project undergoes careful inspection to ensure dimensional accuracy and consistent quality throughout production.
Plastic Welding & Custom Plastic Enclosures
As an experienced plastic welding company, we provide reliable plastic welding services for components that require strong, durable joints and leak-resistant assemblies. Our fabrication processes help create high-performance plastic products designed for demanding industrial environments.
We also manufacture custom plastic enclosures that protect sensitive equipment from moisture, chemicals, dust, and harsh operating conditions. Each enclosure is built to your specifications, ensuring the right fit, functionality, and long-term performance.
Industries We Serve
Our plastic fabrication solutions support a wide variety of industries, including: