Top 20 Trustworthy Plastic Part Manufacturing Suppliers


Plastic part manufacturing is an essential industrial process that uses different types of plastic to produce a wide range of components. This manufacturing industry uses a variety of processes, including extrusion, injection molding, and thermoforming, each of which is customized to meet particular design specifications and production levels. Choosing raw plastic resins is usually the first step in the process. These resins are then melted and precisely shaped using molds or dies. Plastic part manufacturers are essential to many different industries, such as consumer goods, automotive, electronics, and medicine.

Plastic is a versatile material that can be used to create components of different sizes, functionalities, and levels of complexity. Plastic part manufacturers are always coming up with new ideas to improve productivity, lessen their impact on the environment, and satisfy changing customer needs.

Plastic part manufacturing plays a vital role in the modern industrial landscape, from complex electronic component parts to robust automotive parts, and it makes a significant contribution to product innovation and development. Next, let us know about some plastic part manufacturing companies.

custom Plastic Part Manufacturing

List of Top 20 Plastic Part Manufacturing Companies

  • DW Plastics
  • SyBridge Technologies
  • Sungplastic
  • Formlabs
  • Reading Plastic Machining And Fabrication
  • Miller Plastic Products, Inc
  • Pioneer Plastics
  • Curbell Plastics, Inc.
  • Murray Plastics Inc.
  • The Rodon Group
  • Jamestown Plastics
  • Rosti
  • Xometry
  • HiTech Plastics and Molds
  • Excelsior
  • Component Plastics, Inc.
  • Plastics Manufacturing Resources
  • AIM Processing
  • Protoshop

1.DW Plastics

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Type of Business: Plastic Part Extrusion Manufacturing.
Location: UK.
History: Established in 1980.
Key Products & Service: Plastic Extrusion Design, Plastic Extrusion Tooling, Plastic & Extrusion Manufacturing, etc.
Materials:ABS, PP, PE, TPE, WPC, HIPS, PC, PEEK, PVC, UPVC and more.

Company Background and Advantage:

Established in 1980, DW Plastics Ltd initiated its plastic part manufacturing journey with two extrusion lines housed in a modest facility in Gloucestershire. Over the years, the company has undergone significant evolution and diversification, culminating in its current expansive manufacturing facility located in Chichester, equipped with 17 extrusion lines operating around the clock. The Chichester premises, the company’s home since 1997, have facilitated substantial growth, with an additional adjacent facility being leased to accommodate further plastic part manufacturing development and provide for future expansion.

Since its inception, DW Plastics has been steadily building a reputation as the UK’s premier destination for the manufacture of high-quality, customized thermoplastic extrusion profiles. With a dedicated team, the company has served clients worldwide by designing, manufacturing, and offering support for intricate and innovative plastic extrusion products. DW Plastics takes pride in its ability to provide expert advice on a range of plastics for extrusion, catering to both standard and bespoke plastic extrusions. This includes guidance on material selection and optimizing product design for maximum efficiency.

2.SyBridge Technologies

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Type of Business: Custom Plastic Part Manufacturing.
Location: Michigan, USA.
History: Established in 2019.
Key Products & Service: Injection Molding, Design & Engineering, Rapid Prototyping, Insert Molding, Overmolding, Tooling, CNC machining, 3D Printing, Urethane Casting.
Materials:ABS, PP, PE, PS, PC, PEEK, PVC and more.

Company Background and Advantage:

SyBridge Technologies, a unique and innovative player in the manufacturing sector that specializes in plastic part manufacturing and diverse manufacturing processes, was founded in 2019 as a platform roll-up, and support numerous industries, including consumer goods, mobility, aerospace, health and beauty, life sciences, and industrial.

They use the newest digital technologies in conjunction with their experience in design, manufacturing, and aftermarket services to help our customers accelerate their goals at every stage of the product lifecycle, from concept to production.

Their objective is to expedite product development and speed to market. Among their strengths are their proficiency in digital manufacturing, tooling, and molding. cloud platforms powered by technology for complete design, more than 20 locations across the globe to offer extensive support.


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Type of Business: Plastic Part Injection Molding Manufacturer in China.
Location: Dongguan, Guangdong province, China.
History: Over 20 years.
Key Products & Service: Plastic Mold Manufacturing, Plastic Injection Molding, Overmolding, Insert Molding, Rapid Prototyping.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Sungplastic is a Chinese manufacturing factory with over 20 years of experience, specializing in rapid prototyping, injection molding production and plastic mold fabrication. Sungplastic focuses on customized plastic part manufacturing in a wide variety of fields, like electronic, automotive, consumer products, and medical industry and has an extraordinary ability to manufacture products with tight tolerances and very high surface finishes.
As a leading plastic parts manufacturing business, they specialize in working with engineering-grade plastics, thermoplastics, modified plastics and composites to produce custom-molded plastic parts that meet specific requirements such as chemical resistance, flexural strength, durometer, and yield strength.
As a plastic part fabricator with rich professional knowledge and production experience, they have served many countries and well-known brands around the world.


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Type of Business: 3D Printing Manufacturing for Plastic Part.
Location: MA, USA/ Germany/Singapore.
History: Over 10 years.
Key Products & Service: 3D Printing (SLA, SLS…) and Post Processing.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

In 2011, a trio of graduate students from MIT engineered the inaugural 3D printer capable of delivering industrial-grade plastic part manufacturing quality at an accessible cost. Demonstrating an unwavering dedication to innovation, Formlabs has since evolved into the world’s largest supplier of professional stereolithography (SLA) and selective laser sintering (SLS) 3D printers.

Formlabs’ extensive clientele spans global leaders in diverse industries, including medical research, footwear design, and automotive and aerospace manufacturing. Additionally, this plastic part maker serves entrepreneurs and small businesses engaged in crafting bespoke plastic products, reinforcing their supply chains, and expanding their operational capacities.

Operating across ten global locations, Formlabs relies on collaboration, communication, and teamwork to perpetuate the groundbreaking initiative initiated with the Form 1 in 2011. Despite their growth, the company remains steadfast in its founding objective: to develop potent, budget-friendly, user-friendly technology. Formlabs is unequivocally committed to empowering individuals to create anything, transcending the realm of 3D printers to encompass a broader mission beyond the business landscape.

5.Reading Plastic Machining And Fabrication

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Type of Business: CNC Machining Manufacturing for Plastic Part.
Location: PA, USA.
History: Over 30 years.
Key Products & Service: CNC Manufacturing, OEM Plastic Part Manufacturing, Precision Die Cutting &Stamping, Custom Fabrication for Assembled Machined Plastic Parts.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

They employ the most highly skilled machinists and CNC programmers in the business.They can quickly manipulate any DWG, DXF, IGES, or Solid Model into shape, fit, and functionality for machining.
their ability to machine: DMG, Mori, Haas, and Heian manufacture top-notch 3- to 4-axis machines, which are used in CNC milling, routing, and turning centers. Because of their extreme rigidity and weight, these machines represent the pinnacle of CNC machining. The machine vibrates less the heavier it is, and the more accurate the part, the lower the vibration.
They can handle any project that comes our way when they combine a team of engineers and salespeople with decades of manufacturing experience.

They adhere to an ISO 9001:2015 compliant methodical approach to production and quality management, as a excellent CNC Machining Manufacturer for Plastic Part.

6.Miller Plastic Products, Inc

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Type of Business: Plastic Part Machining Manufacturing.
Location: PA, USA.
History: Over 50 years.
Key Products & Service: Custom Plastic Part Machining Manufacturing, Plastic CNC Machining, Plastic Gear Manufacturer, 3D Printing, Annealing Services and more.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Donald Miller Sr., a prosperous businessman and plastic fabricator who aspired to launch his own plastic products manufacturing company, established Miller Plastic Products Inc. in 1969. This is the incredible tale of a man who built a multimillion dollar corporation from his home garage. His goal was to simplify the conventional plastic part manufacturing process so that it could create several parts at a fair cost. Miller Plastic Products Inc. as it exists today is the ultimate product of his perseverance and hard work.

Miller Plastic Products Inc., a family-owned company that has been producing plastic products for 50 years. We are a top plastic part manufacturer in the business, fabricating and precisely machining unique plastic products and parts. With our highly qualified staff, cutting edge machinery, and unwavering dedication to quality, our plastic products company is able to reliably create solutions for even the most challenging applications for our clients.

7.Pioneer Plastics

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Type of Business: Plastic Part Production.
Location: KY, USA.
History: More than 35 years.
Key Products & Service: Custom injection molding, custom plastic parts, tool building, engineering and more services.
Materials:ABS, PP, PE, PMMA, PA, PC, PVC and more.

Company Background and Advantage:

Pioneer Plastics has continuously increased its capacity as a plastic part manufacturer for more than 40 years. Their state-of-the-art, 100,000-square-foot facility is equipped with the best machinery and makes use of cutting-edge technologies to improve and simplify the custom molding design process for clients.

Situated in the center of the Midwest, their production and distribution center is easily accessible from Indianapolis, St. Louis, Louisville, and Nashville within a few hours’ drive. Because of their great access to all major transportation networks, they can ship your products quickly and effectively.

At Pioneer Plastics, on the frontier of plastic part molding production, their designers and engineers have extensive experience molding plastic parts. They understand the manufacturing process, and can help you select the most efficient way to build your product.

8.Curbell Plastics, Inc.

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Type of Business: Plastic Part Manufacturing.
Location: NY, USA.
History: Since 1942.
Key Products & Service: Plastic Molding, CNC Machining, Thermoforming, Extrusion, Bending, Custom Cutting.
Materials:ABS, PP, PE, PMMA, PA, PC, PVC and more.

Company Background and Advantage:

In 1942, brothers Edmond and Leonard Leone started a small machine shop. When a local aircraft company asked if they could make airplane parts from a new material called “plastic,” the brothers took on the challenge. As their expertise in working with plastic grew, more companies approached them, and they decided to explore the possibilities with this lightweight, durable material. They named their company Curbell Machine Shop, combining the names of two early customers—Curtiss-Wright and Bell Aircraft. After World War II, the US chemical industry introduced many new materials, and Curbell Machine Shop became a distributor for these revolutionary products, changing its name to Curbell, Inc. Curbell Plastics, Inc. is now a leading supplier of plastic sheets, rods, tubes, films, tapes, adhesives, sealants, and prototyping materials with locations across the U.S. They offer custom plastic part fabrication, excellent service, and prompt delivery of high-quality plastic products nationwide.

9.Murray Plastics Inc.

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Type of Business: Plastic Part Manufacturer.
Location: Georgia, USA.
Key Products & Service: Plastic Injection Molding, Plastic Part Design and Engineering, Mold Building, Resin Selection, Finishing and more services.
Materials:ABS, PP, PE, PMMA, PA, PC, PVC and more.

Company Background and Advantage:

Murray Plastics is an American plastic part manufacturer and custom injection mold builders. They have designed, built tools, and manufactured plastic parts for many years. The vast experience of their management team comes from a range of industries. Northeast of Atlanta, in Gainesville, Georgia, is where you can find Murray Plastics.

They are a group of engineers and industry professionals with decades of combined experience that offer advice and assistance to our clients. Many of our happy clients have been using them for many years. They aim to tailor our services to each individual customer’s needs and provide services for all phases of the production process. Being a competitive supplier for plastic parts made in the United States is their commitment. They can work with a variety of plastic materials, including environmentally friendly ones.

10.The Rodon Group

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Type of Business: Small plastic parts fabricator.
Location: PA, USA.
History: Since 1956.
Key Products & Service: Custom plastic injection molding, standard plastic parts injection molding, design, tool making, white room and clean room manufacturing and more services.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

The Rodon Group is an ISO 9001:2015 certified plastic parts injection molder. We specialize in small plastic parts precision molding and provide end-to-end solutions from design and tooling to production and packaging. While their focus is on small plastic parts, they can handle items up to 10 inches square. Their expertise lies in mold design, building, and high-volume manufacturing, supported by over 125 molding presses.

They cater to various industries like food, beverage, medical, consumer products, and construction. Our molds are designed for quality, precise tolerances, and efficient production. They can handle complex geometries and varying wall thicknesses. With specialists in over 100 types of plastics, including certified resins, we offer material recommendations such as FDA-approved and environmentally compliant options.

Their 125 automated presses ensure precision in color, appearance, and mechanical traits to match your specifications. Beyond molding, we provide custom packaging, 3D printed prototypes, stocking programs, just-in-time delivery, and other support services.

11.Jamestown Plastics

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Type of Business: Plastic Part Processing.
Location: USA.
History: Since 1958.
Key Products & Service: Plastic Part Design and Engineering, Tooling, CNC Machining, Thermoforming, Sheet Cutting, Contract Packaging and more services.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

They are among the world’s most diversified custom plastic parts manufacturers .
They are committed to offering clients an exceptional caliber of service, which can only be attained via technical know-how and experience. Their Quality Assurance Program is backed by cutting edge machinery and knowledgeable staff from design to production. Because all design and tooling work is done internally, they are able to keep tight control over every project and shorten lead times.

They demonstrate their dedication to customer satisfaction by adhering to quality standards for testing, inspection, traceability, process control, and documentation through our ISO 9001 certification. Since they routinely receive high marks on important success metrics like on-time delivery, customer product acceptance, and overall satisfaction, their customers also value this dedication.

Automotive, medical, electronics, consumer goods, and industrial are several examples of how they have solved problems for other customers by improving product performance, reducing product cost, saving manufacturing time, eliminating shipping damage, and more.


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Type of Business: Plastic Part Maker.
Location: UK.
Key Products & Service: Plastic Part Design and Engineering, 3D printing, CNC machining, Mould Tooling, Laser Cutting and Etching, In-House Design & Manufacturing and more services.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

A passion for creating and manufacturing prototypes led to the founding of RENND. They serve as the vital link between concept design and part production, having been founded on the principles of British engineering.

They are able to offer top-notch services and turn-key prototype solutions by fusing cutting-edge technology with age-old craftsmanship.

Working with individuals, start-ups, ventures, and established companies globally, RENND offers a sophisticated and knowledgeable prototype manufacturing framework that has enabled the realization of numerous incredible projects.

As a plastic part manufacturing company, their clientele ranges from consumer, military, and civilian enterprises to medical and scientific research agencies. Their studios have produced products that are sold all over the world thanks to prototypes, but other highly secret projects are probably never going to be seen in the public eye.


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Type of Business: Plastic Part Fabricating.
Location: Sweden.
History: Over 30 years.
Key Products & Service: Plastic Part Design and Engineering, Custom Molding, Prototype Production, Tooling Building and Tool Transfer, Metal to Plastic, and more services.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

For thirty years, as a plastic part manufacturer, Rosti (formerly Plastic Components, Inc.) has used engineering know-how, automation, and technology to challenge the status quo and offer clients a strategic partner for their injection molding requirements.

Rosti Group, a multinational contract manufacturer and plastic injection molding company with eight production facilities in Europe and Asia, has acquired Plastic Components, Inc. presently possessing a global geographic reach.

Rosti has embraced a culture that values the best possible service, innovation, and technology. Currently running multiple facilities with a combined production space of over 78,000 square feet.

Since our modest beginnings, they have developed into one of the world’s most inventive producers of small- and medium-sized, medium- and high-volume plastic injection molded parts.


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Type of Business: Plastic Part Making.
Location: MD, USA.
History: Over 30 years.
Key Products & Service: Plastic Injection Molding, Blow Molding, Precision Molding, Plastic Extrusion, Plastic CNC Machining, Plastic Prototyping, 3D Printing, Sheet Metal Fabrication, Metal Injection Molding.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

The popular Thomasnet industrial sourcing platform, AI-powered marketplace, and suite of cloud-based services offered by Xometry are quickly digitizing the $2.4 trillion manufacturing sector. Xometry gives buyers easy access to global manufacturing capacity and facilitates the creation of locally robust supply chains by giving manufacturers the essential resources they need to expand their businesses. Using millions of data points, the Xometry Instant Quoting Engine® matches buyers with suitable suppliers worldwide, analyzes complex parts fast and efficiently in real-time, and provides precise lead times and pricing. Xometry offers an ever-expanding menu of manufacturing capabilities by continuously scaling its offerings through its extensible marketplace.
As a professional plastic part maker, they serve for aerospace and defense, automotive, consumer products, electronics and semiconductors, energy, hardware startups, industrial, lighting, medical and dental, robotics and more industries.

15.HiTech Plastics and Molds

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Type of Business: Plastic Part Molding.
Location: CA, USA.
History: Started in 1984.
Key Products & Service: Custom Injection Molding, 2-Shot Injection Molding, Insert Molding, Overmolding, mold building, prototype production, assembly, packaging, and secondary services
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

HiTech Plastics and Molds (“HiTech”) excels in providing top-notch engineering and extensive experience for US-based manufacturing solutions. Our services cover mold building, repair, and custom injection molding of thermoplastic parts. We specialize in managing all aspects of the plastics side in product launches and ongoing molding needs, using advanced techniques and ERP software for optimal manufacturing practices.

At HiTech, we take pride in our high standards, delivering precise and quality thermoplastic injection molded parts consistently. With a leadership team boasting over a century of combined experience in custom plastic molding, we cater to diverse industries such as Defense, Medical, Computer & Electronics, Irrigation, Consumer, and Automotive.

As a leader in injection molding and plastic part manufacturing, we handle both engineering materials and commodity-based plastic resins, offering a broad range of molded products, from common materials like PP, HDPE, HIPS, and ABS to more exotic options like Xenoy, Ultem, PEEK, and TPU/TPV materials.


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Type of Business: Plastic Molded Part Manufacturer.
Location: UK.
History: Started in 1896.
Key Products & Service: Custom Plastic Molding, Roto Molding, Tooling, Overmolding, mold building, prototype production, assembly, packaging, and secondary services
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

At Excelsior, rely on our extensive plastic part manufacturing expertise to bring your plastic products to life. With a century-long legacy, their proficiency in rotomoulding enables to craft plastic products for various sectors, including agriculture, education, sports, and leisure.

Rotomoulded products, like many other plastic manufacturing methods, utilize thermoplastics that can be melted and reshaped without compromising strength and integrity. This flexibility allows them, as experienced plastic manufacturers, to create an almost limitless array of shapes from thermoplastics, offering endless possibilities for your product. In essence, if you can envision it, they can bring it to fruition.

Situated in Bury, Lancashire, on a 44,000 sq foot site, they are a well-established, family-owned plastic part manufacturing company with a dedicated team of 35 staff. Their team combines experience, technical knowledge, drive, and enthusiasm to deliver outstanding results. Their commitment is to surpass customer expectations by producing quality products promptly and with a friendly attitude.

17.Component Plastics, Inc.

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Type of Business: Plastic Components Production.
Location: IL, USA.
History: More than 50 years.
Key Products & Service: Custom Injection Molding, Insert Injection Molding, Tool and Die Making, Rapid Prototyping, Filter Molding, Mesh Insert Production and more services.
Materials:ABS, PP, PE, PMMA, PA, PC, PVC and more.

Company Background and Advantage:

Since 1969, Component Plastics, Inc. has provided the best plastic molding services to its clients. Our service capabilities, honed over more than 50 years in the business, include a dedication to offering premium products at incredibly low costs.

Our areas of expertise are injection molding and filter molding, and we apply our refined skill set to all projects, especially custom ones. Top-notch injection and plastic molding services are offered by CPI to a range of industries, such as filtration media, automotive, agricultural, industrial, medical, and electronic.

CPI has always taken pride in its ability to offer customers one of the best one-stop shops in the area and is capable of handling any logistical requirements, having shipped goods to many different countries. They are concerned with providing individualized solutions to their clients. Utilizing upfront capability studies and scientific molding principles, they make sure they consistently meet our customers’ expectations.

18.Plastics Manufacturing Resources

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Type of Business: Plastic Components Manufacturing.
Location: USA.
History: Founded in 1998.
Key Products & Service: Injection Molding, Blow Molding, 3D/Additive Manufacturing, Gas Assist/ Structural Foam, Thermoforming, Liquid Silicone Molding, Rotational Molding, Reaction Injection Molding, Custom Profle Extrusion.
Materials:ABS, PP, PE, PMMA, PA, PC, PVC and more.

Company Background and Advantage:

Paul Pirozzi founded Plastics Manufacturing Resources in 1998 after ten years of employment at a multinational resin distribution company. Working between producers of resin and businesses that make plastics was an invaluable experience that gave me important insights into industrial design, processing technology, applications, and OEM business development.

With four Account Specialists and over 75 years of combined experience, the company has shown steady growth, focusing primarily on the northeast and working with both regional and global manufacturers. They are a bright and determined group that aims to create thriving, mutually beneficial business relationships between top-tier producers and consumers.

19.AIM Processing

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Type of Business: Plastic Part Injection Molding Manufacturing.
Location: Denver, Colorado, USA.
History: Established in 1993.
Key Products & Service: Injection molding, small plastic parts injection molding, insert molding and overmolding, tooling, secondary service and more.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

AIM Processing is a custom plastic parts manufacturer. They assist customers constantly, both locally and globally, in a variety of industries, including electronics, medical, automotive, industrial, and performance sporting goods.

They concentrate on small plastic components that can benefit clients by being more productive, less expensive, and more easily manufactured. Ensuring flawless parts are produced on schedule is their top priority.

They welcome thorough customer inspections and are registered under ISO 9001. For more than 25 years, they have employed the top plastics specialists, offering competitive pricing and parts that precisely meet requirements and expectations.


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Type of Business: Plastic Part Molding and Prototype Manufacturing.
Location: CA, USA.
History: Established in 1993.
Key Products & Service: Injection Molding, Prototype Mold Fabrication, Rapid Prototyping, Overmolding, Insert Molding, Plastic Part Design.

Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Dylann Ceriani and James Isaacs founded Protoshop. They both have a great deal of experience with hundreds of plastic part designs and prototype molds, and their background was in medical product development. They observed that current prototype molding services frequently did not meet their requirements. Prototype molding services that were available at the time frequently rejected complex part geometry, did not offer mold iterations, had excessively long lead times for molds and parts, and produced poor-quality parts.

Protoshop was established after they determined that there was a market need for better prototype molding services. A patented process for fabricating prototype molds was created, enabling quick, high-quality mold fabrication in addition to quick mold iterations.


In the realm of plastic parts manufacturing, the collaboration between manufacturers and creators is a testament to innovation and precision. Together, we mold ideas into tangible realities, navigating the vast landscape of possibilities that plastic manufacturing offers. With instant development, we improve not only the intricacies of craftsmanship but also the enduring partnerships forged in the crucible of creativity. Here’s to the future, where collaboration continues to shape the contours of possibility in the world of plastic manufacturing.

There are some plastic parts manufacturers mentioned above, as well as plastic parts processing techniques, such as plastic injection molding, plastic prototype manufacturing, insert molding, coating molding, etc.

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