From precision thermoforming to CNC trimming and custom mold making, Hill Plastics delivers turnkey plastic fabrication solutions built to exact specifications. With over 45 years of manufacturing expertise and 20,000+ sq ft of production space in Lewisville, TX, we serve OEM manufacturers, aerospace, medical, telecom, and industrial clients across the United States.
Comprehensive plastic fabrication solutions from prototype to high-volume production, tailored for demanding industries.
Custom thermoforming and vacuum forming with eight machines ranging 2'x3' to 5'x9'. We heat and form plastic sheets over precision molds for enclosures, trays, OEM parts, and industrial applications with fast turnaround.
Full-service custom fabrication including precision trimming, drilling, heat bending, bonding, assembly, and edge finishing. We produce custom POP displays, enclosures, machine guards, and industrial components to drawing specs.
Precision CNC trimming and cutting using two 5'x10' CNC trimming centers. Delivers dimensionally accurate, clean-edged parts with repeatable quality for both short-run and high-volume plastic fabrication needs.
Custom molds and tooling using aluminum, polyurethane, and wood. From low-cost prototype tooling to production aluminum molds, we manage the full tooling development process with CNC precision and expert design support.
Rapid prototyping from low-cost wood or polyurethane tooling, machined to print specifications. Deliver prototype parts for design review or functional evaluation in weeks, with adjustments made before production approval.
High-volume plastic production powered by a 4'x7' rotary thermoforming machine running 2.5x faster than standard equipment. Competitive pricing, quality-controlled output, and capacity for thousands of parts per run.
Hill Plastics offers end-to-end plastic fabrication from initial design assistance and material selection through prototyping, tooling, thermoforming, CNC trimming, and final assembly. Based in Lewisville, TX near Dallas/DFW, we serve manufacturers and engineers across the United States who demand tight tolerances, repeatable quality, and competitive pricing. Whether you need a single prototype or thousands of production parts, our 20,000+ sq ft facility and experienced team are ready to deliver.
See how Hill Plastics has delivered precision fabrication solutions for leading manufacturers and OEMs.
"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..."
Four decades of expertise and a fully equipped facility make Hill Plastics the trusted fabrication partner for engineers and manufacturers nationwide.
Founded in 1977, our team holds a minimum of 20 years of industry experience, ensuring proven processes and reliable results for every project.
Over 20,000 sq ft of facility space with eight thermoforming machines and two 5'x10' CNC trimming centers capable of handling any production volume.
Our sales and engineering team guides customers from concept and material selection through tooling, prototyping, and full production fulfillment.
Low-cost tooling options and efficient production methods deliver cost-effective solutions for businesses across the U.S. without compromising quality.
Experienced engineers dedicated to precision plastic fabrication and customer success.
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.
Hill Plastics works with a broad range of materials including ABS, HDPE, PETG, High Temperature ABS, UV Resistant ASA/ABS, Polystyrene, KYDEX, and decorative foil laminated materials. Material selection is guided by application requirements such as impact resistance, chemical resistance, durability, tensile strength, and environmental conditions to ensure the best performance for your part.
Speak with our engineering team for expert guidance and a free project consultation.
Hill Plastics ships and serves custom plastic fabrication clients across the entire United States from our Lewisville, TX facility.
Lewisville, TX
Headquarters
Nationwide U.S.
Service Area
20,000+ Sq Ft
Facility Size
We serve clients across the United States — contact us to discuss your project and delivery requirements.
Established 1977 — decades of trusted plastic fabrication expertise.
Advanced SolidWorks software for precision design and CNC interface.
Rigorous custom quality control across all production stages.
Tell us about your project requirements and a member of our engineering team will follow up with expert recommendations, material options, and a competitive quote. We respond promptly to all inquiries during business hours, Monday through Friday.
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.