Top 10 Best Injection Molding Companies


Manufacturing has come a long way from the days of assembly lines and manual labor. Today, the dynamic interplay between advanced injection molding manufacturing technique has reshaped the landscape, vastly increasing production speed and efficiency.

These injection molding manufacturing techniques take center stage while working on fundamentally different principles and catering to diverse needs.

Here, we will list some best injection molding companies and key techniques they are good at. Please see more.

Best Injection Molding Companies- plastic injection molded products-moulding components parts

List of Best Injection Molding Companies

  • Adkev Inc.
  • Berry Global, Inc.
  • Sungplastic
  • Advanced Special Tools Inc.
  • Agape Plastics, Inc.
  • All Form Silicone & Plastic Molding
  • All-Plastics LLC
  • Ironwood Plastics Inc.
  • Flambeau, Inc.

1.Adkev Inc.

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Type of Business: Plastic Injection Molding Services.
Location: IN, USA.
History: Since 1987.
Key Products & Service: Injection Molding, Insert Molding, 2-Shot Molding, Tooling, Assembly, Value Add, Automation, and Engineering Support.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Adkev, situated in Goodland, Indiana, between Indianapolis and Chicago, is a leading injection molder and insert molder. With three state-of-the-art facilities covering a total of 340,000 square feet and a dedicated team of over 200 professionals, as one of the best injection molding companies, they offer comprehensive manufacturing services.

As a fully integrated operation, they specialize in producing small to midsize parts through injection molding, insert molding, color matching, and various secondary operations, including assembly. Their commitment extends to providing “Total Customer Satisfaction,” striving to meet or exceed our customers’ requirements.

At Adkev, they take pride in our ability to tackle any quality challenge. Every team member shares the responsibility for maintaining high standards, contributing to the goal of delivering exceptional quality. As a TS 16949 and ISO 14001 certified custom plastic injection molding supplier, their stringent quality assurance program ensures that they can meet the most demanding standards and adapt to our customers’ specific needs.

Their proactive approach to quality is reflected in our employee involvement teams, enabling to address any quality issues swiftly. At Adkev, they maintain a “Zero Defect Mentality,” emphasizing the commitment to delivering flawless products.

2.Berry Global, Inc.

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Type of Business: Injection Molding Services.
Location: IN, USA.
History: Since 1967.
Key Products & Service: Plastic Injection Molding Manufacturing, Plastic Mold Building, OEM Plastic Molded Products Making.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Berry Global, one of the best injection molding companies, takes pride in its rich heritage of product innovation, customer-centric approach, and strategic growth. The commitment of their team members has propelled us to become a leading global provider of inventive solutions.

Berry Global, Inc. is a global Fortune 300 manufacturer and prominent marketer of plastic packaging products. Every day, we strive to create cutting-edge packaging and engineered injection molded plastic products that we believe enhance the quality of life for individuals and contribute positively to the planet. Our approach involves leveraging our unparalleled global capabilities, demonstrating sustainability leadership, and utilizing deep innovation expertise to cater to customers of all sizes worldwide.

With a diverse workforce and the expertise of over 40,000 global employees spread across 250+ locations, we collaborate with customers to develop, design, and manufacture innovative products with a focus on the circular economy. Our dedication to solving challenges and pioneering innovations benefits our customers at every stage of their journey.


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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.Advanced Special Tools Inc.

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Type of Business: Injection Molding and Precision Tooling.
Location: MI, USA.
History: Since 1998.
Key Products & Service: Engineering, Tool and Die, Injection Moulding.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Renowned as a premier supplier of precision-manufactured tooling and injection molded plastic components, they cater to diverse industries such as medical, energy, defense, semiconductor and automotive. With extensive experience spanning many years, they boast swift turnaround times, seamlessly transitioning from concept to the finished product within weeks. With significant capabilities, they maintain the values as one of the best injection molding companies.

Their comprehensive services encompass precision tooling design, tool creation, and the production of finished products. With a robust presence in the automotive supply chain network for over three decades, AST has been a stalwart provider of automotive tooling & plastic injection solutions. They offer unwavering support to customers across all levels, from precision tool and die for metal stamping to injection mold products for tier 1 suppliers.

As a globally recognized automotive and semiconductor plastic component processing company, they position themselves as a trustworthy partner committed to meeting challenges and delivering on promises. This commitment is evident through their amalgamation of solid systems engineering capabilities, technology leadership, a values-based culture, and an unwavering dedication to excellence.

5.Agape Plastics, Inc.

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Type of Business: Plastic Molding.
Location: MI, USA.
History: Since 1973.
Key Products & Service: Custom Injection Molding, Insert molding Assembly, Design, Engineering, Prototyping, Tool Building.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Agape Plastics stands as a prominent provider of tailored solutions in custom injection molding, insert molding, assembly, and value-added manufacturing. Their dedication to delivering high-quality plastic components at a globally competitive price has shaped their reputation for surpassing customer expectations and fostering enduring supplier partnerships. Offering a diverse range of materials and molding technology, their seasoned team of project engineers ensures the completion of each project to the highest standards.

As one of the best injection molding companies, Agapé Plastics, Inc. adds value to a varied customer base across North America through ingeniously engineered solutions for custom injection molded and insert molded products. As a family-owned business, they remain steadfast in upholding their award-winning reputation for client satisfaction. Clients choose Agapé for the tangible benefits derived from their commitment to value-added analysis and engineering, ensuring a consistent delivery of optimal value and proven quality.

6.All Form Silicone & Plastic Molding

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Type of Business: Custom Plastic Molding.
Location: MN, USA.
History: Since 1997.
Key Products & Service: Silicone Molding, Roto Molding & Plastic Injection Molding, Over Molding.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

With over two decades of industry expertise, All Form Silicone & Plastic Molding stands as a premier custom manufacturer specializing in precision-molded plastic and silicone rubber parts. Their commitment to excellence extends across diverse technologies and industries, including medical, pharmaceutical, industrial, aerospace, military, and consumer markets. They prioritize high-quality standards, employ strict raw material handling practices, and ensure timely delivery to their clients.

At All Form, they possess the capability to transform your concept from initial design to full-scale manufacturing. Our injection-molded plastics products are renowned for their superior quality, durability, and functionality. Leveraging precision injection molding techniques, their dedicated team collaborates closely with clients to design custom solutions tailored to their unique needs. Utilizing advanced machinery and premium-grade materials, they manufacture high-quality, precision-engineered components.

Committed to adhering to strict quality standards and regulatory requirements, our medical-grade plastic products are integral to medical devices, surgical equipment, diagnostics, and various healthcare applications. These products are designed to meet the highest standards of safety, reliability, and performance.

As one of the best injection molding companies, their commitment to delivering top-tier products is reinforced by a rigorous quality management system. Each part undergoes thorough inspections and tests throughout the manufacturing process, adhering to strict quality standards and industry regulations. The ISO 9001 certification attests to their unwavering dedication to maintaining the highest levels of quality and customer satisfaction.

7.All-Plastics LLC

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Type of Business: Custom Plastic Moulding.
Location: TX, USA.
History: Since 1964.
Key Products & Service: Custom Precision Injection Molding, Prototyping, Tool Building, Plastics Engineering, Product and Mold Design, 3-D Printing, In-Mold Labeling.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Leading the way in technology-driven production with an emphasis on accuracy and quality, All-Plastics provides skilled project management and engineering and custom plastic injection molding parts, custom injection molds and prototypes. They specialize in medical, industrial, pharmaceutical, packaging, and consumer markets, and they have two facilities in Texas. To expand and enhance their offerings, they have invested in staff training and acquired skills for additive manufacturing. Even for the tiny molded plastic parts that go into making medical devices, they are dedicated to quality control throughout the whole production process.

One of the best injection molding companies, All-Plastics concentrates on markets that complement its more than 50 years of expertise and solid support. We work well with markets that need precise injection molding solutions, timely delivery, traceability, and reliable quality because of our scientific molding procedures.


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Type of Business: Injection Molding Supplier.
Location: Austria.
History: Since 1976.
Key Products & Service: Injection molding, Tool Making & Mold Making.
Materials:ABS, PP, PE, PMMA, PA, PC, PVC and more.

Company Background and Advantage:

ARVAI-PLASTICS thrives in a realm of plastic injection molding, excelling in its deep personal dedication, a unique service culture, and globally sought-after expertise.

Located in Neumarkt in Salzburger Land for many years, ARVAI-PLASTICS supplies renowned international companies, including those in the demanding automotive industry, sporting goods industry, and various electronics manufacturers.

At ARVAI-PLASTICS, the combination of elevated plastic injection technical standards and the personal commitment of the Arvai family and their experienced injection molding industry specialists forms the foundation for optimal projects. As one of the best injection molding companies, their custom plastic injection molding project management process is the result of extensive experience gained through countless plastic injection projects and the exacting requirements of their international clientele.

9.Ironwood Plastics Inc.

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Type of Business: Bespoke Plastic Moulding Manufacturer.
Location: Michigan, USA.
History: Since 1979.
Key Products & Service: Plastic Injection Molding, Insert Molding, Overmolding, Close Tolerance Molding, Two Shot Molding, Reel to Reel Molding.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Ironwood Plastics has led the plastics injection molding industry since 1979. Gordon K. Stephens founded the business, which was acquired by CTB, Inc., a Berkshire Hathaway company, in 2010. Since technology is always evolving, they take advantage of their cutting-edge facilities in Ironwood, Michigan, and Two Rivers, Wisconsin, to stay ahead of the curve and provide their clients with the best injection molded products possible that are tailored to their specific needs.

With more than 200 years of experience in the plastic injection molding business, Ironwood Plastics’ management offers its clients the assurance that their staff is capable of handling even the most difficult problems. As one of the best injection molding companies, its reputation is based on completing the most difficult projects in the sector, with a focus on injection molding and insert molding.

10.Flambeau, Inc.

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Type of Business: Tailored Contract Injection Molding.
Location: USA.
History: Since 1947.
Key Products & Service: Contract Molding & Assembly, Injection Molding, Blow Molding, Tool Design and Fabrication, Product Design, Prototype Manufacturing.
Materials:ABS, PP, PE, PMMA, PA, PS, PC, PEEK, PVC, PET and more.

Company Background and Advantage:

Flambeau specializes in custom plastic manufacturing, producing injection-molded components and blow-molded parts, components, and assemblies using a diverse range of materials.

As one of the best customized contract injection molding companies, they provide critical products and services in areas such as medical devices, transportation, military equipment, healthcare supplies, filtration products, firearms, and construction and agricultural equipment.

Flambeau distinguishes itself through innovative designs, engineering expertise, efficient program management, and cutting-edge contract injection molding manufacturing capabilities. This not only alleviates concerns for our customers but also shortens manufacturing timelines to meet crucial launch dates. Moreover, Flambeau offers a broad selection of stock products that are customizable, tailored to meet unique requirements, and expedite the process of bringing customer products to market.


At Sungplastic, the customer is always first. Our team takes pride in our ability to continually exceed customer expectations for quality, performance, delivery and dependability. Quality assurance and continuous improvement are ingrained into our culture.

As a plastic injection molding products supplier, we hope we can help the people to solve production problems and create value for manufacturing industry.

If you need injection molding solutions, welcome to contact us.

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