Top 10 Brilliant Injection Companies


One of the most popular production techniques is plastic molding, which is utilized in virtually every product on the market. Because plastic injection molding can generate even the most complicated of shapes, it gives the products a distinct originality.

Thousands of injection molding manufacturers worldwide provide high-quality services in the plastic injection molding sector. You can focus your search for plastic injection companies by using this list of the best ones.

Learn about some successful injection companies without delay.

Plastic injection Molding Suppliers injection companies-injection molded products components parts

List of Plastic Injection Companies

  • MMI Engineered Solutions
  • Midwest Mold
  • Sungplastic
  • All-State Plastics
  • Accurate Molded Plastics, Inc.
  • Advanced Plastiform,Inc.
  • Excelsior
  • Thunderbird Molding
  • Murray Plastics Inc.
  • Jones Plastic & Engineering

1.MMI Engineered Solutions

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Type of Business: Plastic Injection Moulding.
Location: Michigan, USA.
History: Over 42 years.
Key Products & Service: Plastic Injection Molding Manufacturing & Assembly, Concept Development, Component Design & Engineering, Full-Service Tool Design & Build, Prototyping, Blow Molding.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Leveraging cutting-edge technology, they enhance both design and functionality. Specializing in advanced composites and engineered resins, they assist OEM product designers and manufacturing engineers in creating innovative solutions.

As one of brilliant injection companies, their comprehensive services encompass concept development, component design & engineering, full-service tool design & build, prototyping, plastic injection molding manufacturing & assembly, all operating on a 24×7 basis. With certifications in ISO 14001 and IATF 16949, they provide a steadfast guarantee of quality and compliance.

2.Midwest Mold

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Type of Business: Injection Molded Plastic Products Manufacturer.
Location: MI, USA.
History: Since 1994.
Key Products & Service: Plastic Injection Molding, Production Tooling, 2 Shot Plastic Injection Molds, Conventional Plastic Injection Molds, Pre-Production Molds, Rapid Prototype Production.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Midwest Mold specializes in the construction of injection molds and the production of plastic injection molding parts, addressing the diverse needs of both high and low volume injection molding. This includes catering to the requirements of customers involved in continuous product development cycles or those with lower demand for injection molded products. Close collaboration with product developers, OEMs, and tier suppliers ensures the delivery of plastic injection molded parts that meet rigorous specifications, adhere to timelines, and stay within budget constraints.

Projects centered around low volume molding typically encompass quantities of less than 10,000 pieces per year. Midwest Mold boasts a well-equipped facility with in-house plastic injection molding machines ranging from 100 tons to 330 tons, providing the flexibility to handle larger projects when necessary among the various plastic injection companies.

Backed by a team of dedicated designers, engineers, and manufacturers with a passion for transforming ideas into tangible products, Midwest Mold offers services for short-run production, rapid tooling, and prototyping. Whether clients require assistance with short-run production, rapid tooling, or prototyping, Midwest Mold is committed to identifying optimal solutions and delivering them swiftly and efficiently.


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Type of Business: Plastic Injection Molding Manufacturer.
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, a Chinese manufacturing facility with over two decades of expertise, is dedicated to rapid prototyping, plastic injection molding production, and plastic mold fabrication. Our focus lies in customized plastic part molding across diverse sectors, including electronics, automotive, consumer products, and the medical industry. With a remarkable proficiency in producing products with precise tolerances and exceptionally high surface finishes, Sungplastic stands out in the industry.

As a premier plastic molding parts manufacturer, we specialize in working with engineering-grade plastics, thermoplastics, modified plastics, and composites to create tailor-made molded plastic components. To become one of the best injection molding companies, our commitment extends to meeting specific requirements such as chemical resistance, flexural strength, durometer, and yield strength.

Drawing on a wealth of professional injection molding knowledge and production experience, Sungplastic has proudly served numerous countries and established brands worldwide as a trusted plastic molding fabricator.

4.All-State Plastics

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Type of Business: Injection Molding Solution.
Location: CA, USA.
History: Since 1998.
Key Products & Service: Machining, Injection Molding, Mold Making.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

All-State Plastics specializes in injection molding, mold making, and machining, leveraging over 30 years of industry expertise. Renowned for their dedication to cutting-edge technologies, a diverse customer base, and adaptability to emerging market demands, they have solidified a robust reputation. All-State Plastics has invested significantly in new molding machines and equipment to boost operational efficiency, even developing proprietary automated equipment for molding process streamlining.

Throughout its history, All-State has strategically shaped its trajectory. In 1992, a pivotal decision to embrace innovative technologies proved transformative, elevating efficiency and productivity. Proactive investments in new molding machines, tool room machinery, and auxiliary equipment kept them ahead of customer demands. Harnessing digital advancements enabled accurate cost estimation and efficient tracking for customers. Moreover, when needed, All-State Plastics modified designs to optimize efficiency and better serve their clientele.

As a family-owned business with a strong tradition of delivering quality products and meeting production targets, All-State Plastics continually adapts to meet evolving customer needs, positioning itself as an outstanding injection manufacturer.

5.Accurate Molded Plastics, Inc.

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Type of Business: Custom Injection Molding Services.
Location: ID, USA.
History: Since 1980.
Key Products & Service: Plastic Injection Molding, Mold Making, Post Molding.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Accurate Molded Plastics, Inc. (Cascadia Custom Molding), an injection manufacturing company, stands out for delivering high-quality and technically intricate injection molded parts, coupled with exceptional customer service. Operating from state-of-the-art facilities capable of producing complex custom plastic molded components, they possess extensive knowledge and insight into their customers’ needs. Employing a collaborative approach, they engage with clients from the conceptual stage to delivery, offering expert in-house manufacturing, prototyping, Design for Manufacturing (DFM) guidance, and mold construction across two locations.

Accurate/Cascadia specializes in providing a comprehensive range of plastic injection molding solutions precisely tailored to meet the diverse requirements of their valued clients. At the core of their operations is expertise in injection molded plastics, serving various industries with these versatile materials. They excel in crafting durable, precision-molded plastic parts that consistently adhere to the strictest standards in their plastic injection molding services.

Their commitment extends to value-added operations and injection molding services, with a dedicated focus on quality, meeting customer needs, and maintaining a safe and drug-free workplace. The Accurate/Cascadia team looks forward to the opportunity to continue their legacy of excellence, fostering enduring relationships with clients seeking top-tier injection companies.

6.Advanced Plastiform,Inc.

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Type of Business: Custom Injection Moulding.
Location: NC, USA.
History: Over 30 years.
Key Products & Service: Injection Molding, Thermoforming, Plastic Engineering, 3d Printing, Tooling Design,CNC Machining, Product Prototyping and more.
Materials:ABS, PP, PE, PMMA, PA, PC, PVC and more.

Company Background and Advantage:

Since 1988, serving as a prominent plastic injection manufacturing company and supplier of custom plastic injection molded parts, they have established partnerships with businesses across diverse sectors. Their collaboration goes beyond manufacturing premium plastic injection molding components, encompassing engineering and design assistance to ensure optimal results.

While thermoforming serves as a primary manufacturing process, they also leverage plastic injection molding when it proves beneficial to the customer or essential for the design. As one of the premium custom molded plastic products injection companies, their advanced presses, capable of generating up to 610 tons of pressure, along with strong ties to leading tooling manufacturers nationally and internationally, empower them to offer shorter lead times and competitive unit pricing without compromising quality, precision, or service.

Catering to various industries, including automotive, furniture, transportation, farm, and construction, among others, they are headquartered in Zebulon, North Carolina. Operating from three state-of-the-art facilities meticulously designed for efficiency and maximum workflow, totaling nearly 250,000 square feet of manufacturing space, they stand ready to meet your plastic injection molding product manufacturing requirements.


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

Company Background and Advantage:

At Excelsior, entrust our extensive expertise in plastic part molding to breathe life into your plastic products. With a century-long legacy, our proficiency in rotomolding allows us to craft plastic products for diverse sectors, including agriculture, education, sports, and leisure.

Rotomolded products, like various other plastic manufacturing methods, utilize thermoplastics that can be melted and reshaped without compromising strength and integrity. This flexibility enables us, as one of injection companies and seasoned plastic molding parts manufacturers, to create an almost limitless array of shapes from thermoplastics, presenting endless possibilities for your product. Essentially, if you can envision it, we can bring it to fruition.

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

8.Thunderbird Molding

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Type of Business: Custom Plastic Injection Molding Manufacturer.
Location: IL, USA.
History: Established in 2019.
Key Products & Service: Injection Moulding, Low Volume Plastic Molded Parts Manufacturing, 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:

Among the numerous excellent injection companies, Thunderbird Molding stands out as highly skilled and well-prepared to fulfill your short-run, low-volume injection molding needs. Leveraging advanced technology and extensive experience, they deliver efficient solutions. With quick-mold-change systems and Master Unit Dies, they ensure swift and cost-effective mold changes, saving both time and money. Their proprietary small batch injection molding procedures optimize every aspect of short-run projects, supported by a vast inventory of over 800 active molds and a streamlined one-touch exchange of dies.

Their primary focus is on producing high-quality, low-volume injection molded parts. Recognizing that many complex and high-precision industrial applications naturally fall into the small-run molding production category, Thunderbird Molding excels as experts in custom plastic injection molding for such components. They are dedicated to providing the same level of committed customer service for short-run programs as they do for longer-running projects.

9.Murray Plastics Inc.

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Type of Business: Injection Molding 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 molding company and a builder of custom injection molds. With years of expertise, they have been involved in the design, construction of tools, and manufacturing of plastic parts. Situated northeast of Atlanta, in Gainesville, Georgia, Murray Plastics is one of the most trusted injection companies.

Comprising a team of engineers and industry professionals with decades of combined experience, they offer valuable advice and assistance to clients. Many satisfied clients have maintained long-term partnerships with them. Their goal is to customize services to meet the unique needs of each customer, offering support across all phases of the production process. Committed to being a competitive plastic molding supplier in the United States, they have the flexibility to work with various plastic materials, including environmentally friendly options.

10.Jones Plastic & Engineering

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Type of Business: Injection Molded Products Manufacturer.
Location: Kentucky, USA.
History: Since 1961.
Key Products & Service: Plastic Injection Molding, Tooling, Insert Molding, Overmolding, Product Development, Paint & Hydrographics.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Established in 1961 by Harry and Larry Jones, Jones Plastic & Engineering has risen to become a global leader in injection molding technology, ranking among the largest custom injection companies. Specializing in automotive and home appliance molds, their unwavering dedication and hard work have garnered international recognition, evident through five manufacturing units in the United States and subsidiary companies in Europe and Asia.

Jones Plastic offers a comprehensive range of services, including engineering, product design, integration, and contract manufacturing for various injection molded components and subassemblies. With in-house 3D printing capabilities, they can swiftly validate designs and provide soft-steel prototype samples within a two-week timeframe.

The company excels in insert-molding and over-molding, handling a wide range of inserts, from small metal conductors to large 16 lb iron bearings. With 20 years of expertise in gas-assist injection molding (GAIM), Jones Plastic is renowned for expediting product market entry. Additionally, strategically located manufacturing units contribute to minimizing freight and labor costs, solidifying Jones Plastic’s reputation for proficiency in injection molding and efficient product delivery.


After reading the above ten excellent, experienced, and technically mature plastic injection molding companies, I wonder if you have compared the one you like the most?

As a Chinese factory with 20 years of experience in injection molding plastic products, we have high-level designers, engineers and production personnel who can help you solve plastic injection molding and support your customized injection molded parts from prototype to scale production. Welcome to contact us.

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