top 10 injection molding companies in the USA
The injection molding industry in the United States plays a pivotal role in the manufacturing sector, providing a crucial process for creating high-precision plastic parts used across various industries. From automotive to medical, consumer goods, electronics, and packaging, injection molding companies offer cutting-edge solutions for a wide array of applications. As demand for lightweight, durable, and cost-effective products grows, the U.S. plastic injection molding sector continues to evolve.
This article will explore the top 10 injection molding companies in the United States, highlighting their capabilities, specialties, and unique advantages. Whether you’re in need of mass production or prototype development, these companies stand at the forefront of plastic injection molding technology.
1. PTI Engineered Plastics
Year Established: 1980
Location: Macomb, MI
Industry: Manufacturing & Engineering
Certifications: ISO 13485, ISO 9001
Website: teampti.com
About PTI Engineered Plastics:
PTI Engineered Plastics is a leader in custom injection molding, offering a full range of services from product design to low- and high-volume production. With a focus on complex projects, PTI is renowned for its expertise in tight-tolerance molding and rapid prototyping, making it a trusted partner for industries such as medical, automotive, and aerospace.
Experience:
With over 40 years of experience, PTI has a long-standing history of delivering high-quality products to clients globally. The company uses state-of-the-art technology and highly skilled engineers to ensure top-notch precision and efficiency throughout the production process.
Advantages:
- Medical Expertise: PTI specializes in medical device components and is well-versed in regulatory standards for healthcare products.
- Advanced Prototyping: Their rapid tooling and prototyping capabilities allow clients to quickly move from design to production.
- High Precision: PTI excels in tight-tolerance injection molding, providing consistent and reliable results.
Capacity:
With over 200,000 square feet of manufacturing space, PTI is equipped to handle both small-batch and large-scale production runs, offering flexibility for projects of varying complexity.
2. EVCO Plastics
Year Established: 1964
Location: DeForest, WI
Industry: Manufacturing & Engineering
Certifications: ISO 9001, IATF 16949
Website: evcoplastics.com
About EVCO Plastics:
EVCO Plastics is a global leader in custom injection molding, providing tailored solutions for industries such as automotive, packaging, medical, and agriculture. With manufacturing plants in the U.S., Mexico, and China, EVCO is known for its innovative approach to design, engineering, and automation.
Experience:
With over five decades in the business, EVCO has amassed extensive experience working with complex injection molding projects. Their team of engineers focuses on bringing creative solutions to challenging designs, ensuring that each product is manufactured with the utmost precision.
Advantages:
- Global Reach: With facilities in three countries, EVCO can serve a global clientele, ensuring seamless supply chain management and cost efficiencies.
- In-House Tooling: EVCO’s in-house tooling capabilities ensure precise molds and shorter lead times, giving them a competitive edge in both prototyping and large-scale production.
- Sustainability Focus: The company is committed to sustainable manufacturing practices, offering recycled material options and energy-efficient production processes.
Capacity:
EVCO has 10 manufacturing facilities worldwide, with over 1 million square feet of manufacturing space and 150 molding presses ranging from 28 to 3,500 tons. This makes them one of the most versatile injection molding companies in the world.
3. Mack Molding
Year Established: 1920
Location: Arlington, VT
Industry: Manufacturing
Certifications: ISO 9001, ISO 13485
Website: mack.com
About Mack Molding:
Mack Molding is one of the oldest and most respected custom plastic injection molders in the U.S. Known for its turnkey manufacturing solutions, Mack offers services ranging from product design and prototyping to final assembly. The company specializes in medical, automotive, and industrial products.
Experience:
With over 100 years in the industry, Mack Molding has a wealth of experience in delivering high-quality injection molding solutions. Their long-standing reputation as a reliable partner for both small and large OEMs stems from their commitment to continuous improvement and innovation.
Advantages:
- Full-Service Provider: Mack Molding offers everything from product development to assembly and testing, making them a one-stop shop for clients.
- Medical Expertise: With ISO 13485 certification, Mack is highly skilled in producing medical devices and components, ensuring compliance with stringent regulatory standards.
- In-House Engineering: Their strong engineering team provides design for manufacturability (DFM) insights to optimize part performance and production efficiency.
Capacity:
Mack Molding operates multiple facilities, including over 400,000 square feet of manufacturing space and more than 130 injection molding machines, ranging from 28 to 4,000 tons.
4. Rex Plastics
Year Established: 1971
Location: Vancouver, WA
Industry: Manufacturing
Certifications: ISO 9001
Website: rexplastics.com
About Rex Plastics:
Rex Plastics is a full-service plastic injection molding company specializing in prototype and production molding. They serve a wide range of industries, from consumer goods to industrial applications, with a focus on creating cost-effective, high-quality plastic parts.
Experience:
With over 50 years of experience, Rex Plastics has honed its expertise in delivering top-tier plastic parts with a quick turnaround time. Their focus on customer satisfaction and lean manufacturing principles has made them a preferred partner for both small businesses and large corporations.
Advantages:
- Competitive Pricing: Rex Plastics is known for offering competitive pricing without compromising on quality, making them a great choice for startups and SMEs.
- Quick Turnaround: Their lean manufacturing model enables them to reduce lead times, ensuring fast delivery of prototype and production parts.
- Custom Solutions: Rex provides customized molding solutions, tailored to each client’s specific needs and requirements.
Capacity:
Rex Plastics operates out of a 24,000 square foot facility, equipped with 18 injection molding machines that range from 55 to 500 tons. This enables them to handle small to medium production runs efficiently.
5. The Rodon Group
Year Established: 1956
Location: Hatfield, PA
Industry: Manufacturing
Certifications: ISO 9001
Website: rodongroup.com
About The Rodon Group:
The Rodon Group is a high-volume injection molder, specializing in plastic components for industries such as packaging, consumer goods, construction, and electronics. The company is recognized for its commitment to sustainability, using eco-friendly manufacturing practices throughout its processes.
Experience:
With over six decades of experience, The Rodon Group has established itself as a premier supplier of plastic parts, offering innovative solutions that meet the needs of modern industries. Their expertise in high-volume production makes them a go-to partner for large-scale projects.
Advantages:
- High-Volume Specialists: The Rodon Group is equipped to handle high-volume production, making them ideal for clients with large-scale demands.
- Sustainability: Rodon is committed to reducing its carbon footprint, offering clients eco-friendly materials and processes.
- Automation: The company heavily invests in automation technology, ensuring consistent quality and cost-effective production.
Capacity:
The Rodon Group operates a 125,000 square foot facility with 118 injection molding presses. They have the capability to produce billions of parts annually, making them one of the largest high-volume molders in the U.S.
6. New Berlin Plastics
Year Established: 1975
Location: New Berlin, WI
Industry: Manufacturing
Certifications: ISO 9001, IATF 16949
Website: nbplastics.com
About New Berlin Plastics:
New Berlin Plastics is a full-service injection molding company, providing design, engineering, tooling, and production services. The company focuses on creating high-performance parts for industries such as automotive, electronics, and consumer products.
Experience:
With nearly 50 years of experience, New Berlin Plastics has built a reputation for delivering precision and quality. Their team of engineers works closely with clients to ensure that each part is optimized for performance, durability, and manufacturability.
Advantages:
- Technical Expertise: New Berlin Plastics offers robust engineering support, helping clients optimize their designs for injection molding.
- Quality Control: The company places a strong emphasis on quality, using advanced testing and inspection technologies to ensure each product meets the highest standards.
- Automotive Focus: With IATF 16949 certification, New Berlin Plastics is well-positioned to serve the demanding automotive industry.
Capacity:
New Berlin Plastics operates a 110,000 square foot facility with 40 injection molding presses ranging from 50 to 1,500 tons. Their diverse capacity allows them to handle both small and large production runs with ease.
7. MPR Plastics
Year Established: 1970
Location: Elgin, IL
Industry: Manufacturing
Certifications: ISO 9001
Website: mprplastics.com
About MPR Plastics:
MPR Plastics is known for its high-precision injection molding services, serving industries such as medical, defense, aerospace, and electronics. The company prides itself on its ability to manufacture complex, tight-tolerance parts for highly regulated industries.
Experience:
With over 50 years in the business, MPR Plastics has developed a deep understanding of the challenges involved in manufacturing high-precision components. Their expertise in working with engineering-grade resins and thermoplastics sets them apart from competitors.
Advantages:
- High Precision: MPR Plastics is a leader in manufacturing high-precision parts, with a focus on maintaining tight tolerances for demanding applications.
- Engineering Support: The company’s in-house engineering team provides expert guidance throughout the design and production process, ensuring optimal results.
- Industry Specialization: MPR Plastics has extensive experience serving highly regulated industries, ensuring compliance with strict quality standards.
Capacity:
MPR Plastics operates out of a 44,000 square foot facility with 24 injection molding machines, ranging from 55 to 500 tons. Their facility is equipped with advanced automation technology, enabling them to efficiently produce complex parts in large volumes.
8. Plastikon Industries
Year Established: 1982
Location: Hayward, CA
Industry: Manufacturing
Certifications: ISO 9001, IATF 16949
Website: plastikon.com
About Plastikon Industries:
Plastikon Industries offers custom injection molding solutions for the automotive, medical, and electronics industries. With a focus on innovation and quality, Plastikon has established itself as a trusted partner for companies looking for advanced manufacturing solutions.
Experience:
For over 40 years, Plastikon has been delivering high-quality plastic parts to clients around the world. Their experience in serving demanding industries such as automotive and medical has helped them develop robust quality control processes and production efficiencies.
Advantages:
- Innovation: Plastikon is at the forefront of innovation, using the latest technology and automation systems to improve product quality and reduce lead times.
- Global Reach: With manufacturing facilities in the U.S., Asia, and Mexico, Plastikon offers global supply chain solutions, ensuring seamless delivery and support for clients worldwide.
- Regulatory Expertise: The company is well-versed in industry regulations, especially for medical and automotive products, ensuring compliance with all necessary standards.
Capacity:
Plastikon operates multiple facilities, including a 600,000 square foot facility in the U.S., with over 100 injection molding machines ranging from 55 to 1,800 tons. Their global footprint allows them to handle large-scale projects with ease.
9. Accu-Mold LLC
Year Established: 1996
Location: Ankeny, IA
Industry: Manufacturing
Certifications: ISO 13485, ISO 9001
Website: accu-mold.com
About Accu-Mold:
Accu-Mold specializes in high-precision micro injection molding, offering cutting-edge solutions for industries such as electronics, medical devices, and aerospace. Their ability to manufacture extremely small, high-tolerance parts makes them a leader in micro-molding technology.
Experience:
With nearly 30 years of experience, Accu-Mold has honed its expertise in micro-molding, producing parts as small as a grain of rice with exceptional accuracy. Their experience in working with difficult-to-mold materials gives them a unique advantage in the industry.
Advantages:
- Micro-Molding Expertise: Accu-Mold is a pioneer in micro injection molding, offering unparalleled precision for small and intricate parts.
- Industry Leadership: The company has a proven track record of working with cutting-edge industries, from aerospace to medical, ensuring the highest levels of quality and precision.
- Material Expertise: Accu-Mold has deep knowledge of engineering resins and other high-performance materials, ensuring optimal part performance.
Capacity:
Accu-Mold operates a 90,000 square foot facility, equipped with state-of-the-art molding machines designed for micro and precision parts. Their advanced capabilities allow them to handle both prototype and high-volume production runs.
10. Viking Plastics
Year Established: 1972
Location: Corry, PA
Industry: Manufacturing
Certifications: ISO 9001, IATF 16949
Website: vikingplastics.com
About Viking Plastics:
Viking Plastics is a full-service injection molding company, providing custom plastic solutions for the automotive, industrial, and consumer goods sectors. The company prides itself on delivering high-quality parts with a focus on customer satisfaction and continuous improvement.
Experience:
With over 50 years of experience, Viking Plastics has built a reputation for delivering reliable and cost-effective plastic parts. Their extensive experience in automotive and industrial applications gives them a strong understanding of the challenges faced by clients in these industries.
Advantages:
- Customer Focus: Viking Plastics is known for its customer-centric approach, providing tailored solutions that meet the specific needs of each client.
- Lean Manufacturing: The company employs lean manufacturing principles to reduce waste, improve efficiency, and deliver cost-effective solutions.
- Automotive Expertise: With IATF 16949 certification, Viking Plastics is well-positioned to serve the demanding automotive industry, providing high-quality components with tight tolerances.
Capacity:
Viking Plastics operates multiple facilities, with over 100,000 square feet of manufacturing space and 50 injection molding machines ranging from 50 to 1,500 tons. Their diverse capabilities allow them to handle projects of all sizes, from small batches to large-scale production.
Conclusion
The U.S. injection molding industry is home to some of the most advanced and experienced companies in the world. These top 10 injection molding companies are leaders in their respective fields, offering a range of services from high-precision micro-molding to large-scale production. Whether you’re in the medical, automotive, electronics, or consumer goods industry, these companies can provide the expertise and capacity needed to meet your plastic part production requirements.
By choosing a reliable injection molding partner, businesses can ensure that their products are manufactured with precision, efficiency, and high quality. Each company listed here brings unique strengths and capabilities, making them ideal partners for a wide range of injection molding projects.
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