Custom Plastic Parts.From Prototype to Production.

Hill Plastics manufactures custom thermoformed parts, plastic enclosures, and fabricated components for OEM manufacturers, from prototype through production.

✓ Serving Manufacturers Since 1977✓ 100% US Manufacturing✓ Initial response within one business day

Start your project

Request a quote

Tell us about your part and we will recommend the right path forward.

Scroll

Companies That Trust Hill Plastics

Client 1
Client 2
Client 3
Client 4
Client 5
Client 6
Client 1
Client 2
Client 3
Client 4
Client 5
Client 6
What We Build

Thermoforming & Plastic Fabrication Under One Roof

From prototype through production, our thermoforming, CNC routing, fabrication, and secondary capabilities help simplify your supply chain and keep projects moving.

Thermoforming & Vacuum Forming

Thermoforming & Vacuum Forming

Cost-effective solutions for large and small production runs. Precision-formed parts from a wide range of thermoplastics, manufactured to meet your project requirements.

Prototype → VolumeFast TurnaroundCost-Effective Tooling
Get a Quote
Plastic Fabrication

Plastic Fabrication

CNC routing and plastic fabrication for flat components and thermoformed parts. We can manufacture from customer drawings, CAD files, existing samples, or supplied material.

CNC RoutingCAD/CAMPrototype to Production
Get a Quote
Tooling & Mold Support

Tooling & Mold Support

We support new tooling, tooling modifications, and customer-supplied molds. Tooling recommendations are based on part design, material, production volume, finish requirements, and project needs.

Production ToolingTooling SupportCustomer-Supplied Molds
Get a Quote
Product Development & Material Selection

Product Development & Material Selection

From early concepts to production-ready parts, our experienced team can provide practical input on material selection, tooling, manufacturability, and cost-effective production options.

Design ReviewMaterial ConsultingTurnkey Solution
Get a Quote
Hill Plastics production floor overview
20k+
Sq Ft
1977
Founded
1 Business Day
Initial Response
Why Hill Plastics

The Capabilities to Support Your Project From Prototype to Production

For decades, Hill Plastics has supported OEM, telecommunications, and industrial customers with dependable thermoforming and plastic fabrication from our Lewisville, Texas facility.

Fast Turnaround Times
In-House Quality Control
Serving Manufacturers Since 1977
20,000+ Sq Ft Facility
Prototype to Full Volume
Large-Format Forming Capacity
Production-Ready Quality
Tooling & Mold Support
How It Works

From Project Review to Production in 3 Steps

A straightforward process designed to move your project from concept to production efficiently.

1

Submit Your Design

Upload your CAD files, drawings, or project details. Our experienced team will review your project for manufacturability and next steps.

Initial response within one business day
2

Receive Your Quote

Get a detailed, competitive quote with tooling costs, per-part pricing, and lead times. Transparent pricing, no hidden fees.

Clear, Detailed Quoting
3

Production & Delivery

We manufacture to your approved project requirements using our in-house quality process, then package and ship finished parts throughout the United States.

Production & Shipping
Since 1977
0+
Sq Ft Facility
DFW, Texas
0%
USA Manufacturing
No offshore
0
Forming Machines
2x3 to 5x9 + rotary
Industries Served

Built for OEMs Across a Range of Industries

Since 1977, Hill Plastics has supported manufacturers across a range of industries with custom thermoforming, plastic fabrication, and production solutions tailored to their applications.

OEM Manufacturing
Telecommunications
Industrial Equipment
Medical & Laboratory Equipment Components
Consumer Products
Electronics Enclosures
Automotive Aftermarket
Agricultural Equipment
Thermoforming production cycle at Hill Plastics
Complex CNC-routed plastic part at Hill Plastics
Hill Plastics Lewisville, Texas manufacturing facility
In-House Quality Control
In-house QC System
Ready to Build?

Your Next Part Starts With a Conversation

Send us your design or describe your application. Our team will review the project and recommend an appropriate thermoforming, fabrication, or tooling approach.

Get Started

Request a Quote or Upload Your Design

Fill out the form or give us a call. Whether you have complete CAD drawings or an early-stage concept, our experienced team will evaluate your project and provide practical recommendations and competitive pricing.

Request a Quote

Initial response within one business day.