From precision CNC trimming to full custom plastic fabrication, Hill Plastics delivers assembly-ready parts built to exact specifications. Serving OEM manufacturers, aerospace, telecom, and industrial markets nationwide from our 20,000+ sq ft facility in Lewisville, TX, we offer turnkey solutions from initial design through final fulfillment — with competitive pricing and rapid turnaround.
Comprehensive plastic fabrication and design solutions — from prototyping and CNC trimming to high-volume thermoformed part production.
Custom fabrication services including precision CNC trimming, drilling, heat bending, bonding, riveting, and threaded insert installation. Parts are produced to exact drawing specifications using advanced CNC router equipment and two 5'x10' trimming centers.
Automated CNC trimming and cutting for thermoformed and fabricated plastic parts. Routing machinery, punch presses, and panel saws ensure dimensional accuracy, clean edges, and repeatable production quality for enclosures, guards, and OEM components.
Custom mold and tooling design using aluminum, polyurethane, and precision wood materials. Supports prototyping through full production runs, with low-cost wood tooling for early-stage review and aluminum tooling for production-grade molds.
Rapid prototype development using low-cost wood or polyurethane tooling machined to print specifications. Prototypes can be produced in just a few weeks, allowing design review and function evaluation before committing to production tooling.
Engineering support for material selection, tooling design, and process optimization. The Hill Plastics sales and engineering team guides customers from concept to finished product, ensuring cost-effective, specification-compliant outcomes at every stage.
Scalable production from short runs to thousands of parts using a 4'x7' rotary thermoforming machine — 2.5x faster than standard single-station equipment. Quality-controlled for appearance and print specifications with competitive pricing.
Our sales and engineering team — led by Brad and Cody Hill — works directly with your engineers and purchasing team to understand your product requirements, application environment, and production targets. We use SolidWorks CAD software to review drawings and define the scope of fabrication.
See how Hill Plastics has delivered precision fabrication solutions for customers across aerospace, telecom, medical, and industrial markets.
"Great value, family business, personal attention. Over the years, Cody, Brad, and Aubrey have become valued associates in my small enterprise. Willing to tackle design challenges. Get-her-done communications. Outreach to additional sources of expertise. These folks understand the inventive process. Cody for example is a Kickstarter supporter and is familiar..."
"Hill Plastics did a great job creating a substitute back window for my RV. I have a portable mini-split air conditioner that I use in extremely hot weather to supplement my RV’s own cooling power. The mini-split has an inside unit that blows the cold air and an outside condenser..."
"Great value, family business, personal attention. Over the years, Cody, Brad, and Aubrey have become valued associates in my small enterprise. Willing to tackle design challenges. Get-her-done communications. Outreach to additional sources of expertise. These folks understand the inventive process. Cody for example is a Kickstarter supporter and is familiar..."
"Hill Plastics did a great job creating a substitute back window for my RV. I have a portable mini-split air conditioner that I use in extremely hot weather to supplement my RV’s own cooling power. The mini-split has an inside unit that blows the cold air and an outside condenser..."
"Great value, family business, personal attention. Over the years, Cody, Brad, and Aubrey have become valued associates in my small enterprise. Willing to tackle design challenges. Get-her-done communications. Outreach to additional sources of expertise. These folks understand the inventive process. Cody for example is a Kickstarter supporter and is familiar..."
"Hill Plastics did a great job creating a substitute back window for my RV. I have a portable mini-split air conditioner that I use in extremely hot weather to supplement my RV’s own cooling power. The mini-split has an inside unit that blows the cold air and an outside condenser..."
With over four decades of expertise, a fully equipped facility, and a team dedicated to quality, Hill Plastics is the trusted fabrication partner for manufacturers across the country.
Founded in 1977, our staff brings decades of hands-on experience serving OEM manufacturers, aerospace, telecom, and industrial clients nationwide.
Our 20,000+ sq ft Lewisville, TX facility houses eight thermoforming machines and two 5'x10' CNC trimming centers for any scale of production.
We support your project from design and material selection through prototyping, fabrication, and final fulfillment — one reliable partner, start to finish.
Low-cost tooling options, efficient production processes, and 45 years of supplier relationships allow us to deliver quality at consistently competitive prices.
Expert engineers and sales professionals ready to bring your project to life.
Sales & Engineering Team
Brad Hill brings deep expertise in plastic thermoforming design and materials engineering to every customer project. As a key member of Hill Plastics' sales and engineering team, Brad specializes in helping clients navigate the complexities of material selection—evaluating cost, impact requirements, durability, tensile strength, chemical resistance, and environmental factors to identify the optimal PS or HIPS grade for each unique application. He works closely with customers from initial concept through prototype approval, offering guidance on tooling design, process optimization, and production planning. Brad's hands-on approach ensures that every thermoformed component is engineered for performance, manufacturability, and cost-effectiveness. His commitment to collaborative problem-solving and technical precision has made him a trusted advisor to OEM manufacturers, aerospace clients, and medical device companies nationwide. With a focus on delivering turnkey solutions that meet exact specifications, Brad exemplifies Hill Plastics' dedication to quality, innovation, and customer success.
Sales & Engineering Team
Cody Hill is a skilled plastics engineer and sales professional with a passion for transforming customer ideas into precision-manufactured reality. As part of Hill Plastics' dedicated sales and engineering team, Cody provides expert consultation on product design, material selection, and tooling strategy for custom thermoforming projects. He leverages advanced CAD tools like SolidWorks to collaborate with clients on design refinements, ensuring optimal part geometry, wall thickness distribution, and draft angles for successful vacuum forming. Cody's technical knowledge spans the full spectrum of PS and HIPS materials, enabling him to recommend the best plastic grade based on application-specific demands such as impact resistance, rigidity, clarity, and cost. From rapid prototyping using low-cost tooling to scaling up for high-volume production runs, Cody guides customers through every phase of the manufacturing process with transparency and attention to detail. His proactive communication style and commitment to delivering on-time, on-budget results have earned him the trust of clients across aerospace, telecommunications, industrial equipment, and medical device sectors.
Fabrication refers to the process of cutting, shaping, and finishing raw materials — in this case plastic — into finished components to exact specifications. Assembly involves joining those fabricated parts together using methods like bonding, riveting, or fastener installation. At Hill Plastics, both processes are performed in-house using CNC equipment and skilled technicians, delivering fully assembly-ready parts for OEM and industrial applications.
Talk to our engineering and sales team for a no-obligation consultation on your project.
Established in 1977, a recognized leader in custom plastic fabrication.
Engineering designs produced using industry-standard SolidWorks software.
Custom QC system monitors every stage from design through fulfillment.
Tell us about your part requirements, production volume, and timeline. Our engineering team will respond promptly with a tailored solution and competitive pricing.
For immediate assistance, feel free to give us a direct call at +1 972-436-9717. You can also send us a quick email at sales@hillplastics.com.
For immediate assistance, feel free to give us a direct call at +1 972-436-9717. You can also send us a quick email at sales@hillplastics.com.