Your Source for Performance Plastics in the Inland Empire Metro
Located in Ontario, California, Piedmont Plastics Inland Empire is a premier supplier of high-quality performance plastic materials for Inland Southern California. We offer a comprehensive selection of plastic materials, including sheet, rod, tube, and film. Our strategic location allows us to efficiently serve a wide range of industries, meeting the unique needs of each customer.
Your Trusted Wholesale Plastic Distributor in Inland Empire
Piedmont Plastics is a reliable wholesale distributor of performance plastic materials, providing a broad array of products tailored to the demands of various industries. Our commitment to quality and customer satisfaction sets us apart as a trusted supplier in San Bernardino Valley and beyond.
Our Ontario, CA facility is stocked with an extensive inventory sourced from leading global brands, ensuring that we provide only the best materials to our customers.
Our expert team at Piedmont Plastics is dedicated to offering personalized service and technical support to help you find the right materials for your projects. We understand the unique challenges of each industry and work closely with our customers to deliver solutions that enhance performance and efficiency.
Our Product Selection
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Acetal
Acetal (POM) is an engineering plastic known for its durability, dimensional stability, and wear and abrasion resistance, making it a popular choice for precision parts in automotive, electronics, and food processing applications.
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Aluminum Composite Material (ACM)
ACM combines durability, versatility, and aesthetic appeal to elevate your projects, from signage to architectural facades and wall linings.
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Cast Acrylic
Cast acrylic from Piedmont Plastics offers exceptional strength, optical clarity, and weather resistance, making it ideal for applications such as signage, retail displays, protective barriers, and architectural glazing.
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Cast Nylon
Cast nylon is a strong, wear-resistant engineering plastic available in sheet, rod, and tube. Its low friction and machinability make it ideal for gears, bearings, bushings, and industrial components.
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HDPE (High Density Polyethylene)
HDPE offers strength, low weight, and resistance to chemicals and moisture, making it ideal for food and beverage equipment, industrial components, and marine applications.
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Polycarbonate
Polycarbonate combines lightweight strength with optical transparency, making it far more impact- and shatter-resistant than glass while still allowing light to pass through cleanly. End-users rely on it for protective safety equipment, electronics housings, and architectural glazing panels.
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UHMW PE
UHMW from Piedmont Plastics offers superior durability, low friction, and wear resistance, ideal for conveyors, liners, and food-grade industrial parts.
In addition to the materials listed above, Piedmont Plastics also carries a wide range of inventory, including ABS plastic, plastic film, fluted polypropylene, paper display board, foam PVC, HIPS, vinyls, twin wall polycarbonate, PEEK, PETG, industrial laminates, CPVC, styrene, Ultem®, and more.
At Piedmont Plastics, we are dedicated to providing only the highest quality materials. We distribute a variety of specialty products for many uses, including sign and graphics and marine applications. Learn more below!
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Piedmont Sign Grade®
PSG® materials are made for the sign and graphics industry, providing reliable quality, durability, and performance across a wide range of applications.
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Piedmont Marine Grade
PMG® materials are engineered for demanding marine environments, providing lasting durability and resistance to saltwater, UV exposure, and harsh weather conditions.
Industries We Serve
Partnering with Piedmont Plastics means more than access to quality materials and services. Customers benefit from our extensive network across the U.S. and Canada, allowing locations to share inventory and help ensure the materials you need are available when and where you need them.
We proudly support a wide range of industries, including the signage, industrial, glazing, and marine markets, delivering customized material solutions designed to meet the specific requirements of each sector.
In addition, Piedmont Plastics is backed by a knowledgeable team of market specialists with experience across many different industries. Whether you need materials for signage, industrial components, or other applications, our experts are ready to help you select the right products to match your exact requirements.


An Expert is just around the corner.
With over 100 years of combined product knowledge and industry experience, we are confident our plastics experts can help you find a solution for your application.