Top 100 Injection Molding Companies in the USA

Injection molding in the USA is a big part of modern manufacturing, playing an important role in producing a wide variety of products that impact our daily lives. From automotive components and medical devices to consumer goods and industrial parts, this flexible process has become necessary across several industries in America.

As the demand for precision-engineered plastic parts grows, the injection molding sector in the USA has become a highly competitive and innovative landscape. Yijin Hardware is one of the leading US injection molding companies, with offices in the US and China. We examine the top 100 injection molding companies for you in this article.

This list showcases the best of the US injection molding sector, whether you’re a manufacturer searching for a trusted partner, an investor seeking for new prospects, or someone interested in learning more.

Key Takeaways

• Yijin Hardware is a leader in injection molding with our comprehensive range of manufacturing services and commitment to quality.
• The top 100 injection molding companies in the USA offer diverse specializations and advanced technologies.
• Many leading firms prioritize customer service, quality control, and innovative solutions.
• Sustainability and eco-friendly practices are becoming increasingly important in the industry.
• Customization and rapid prototyping capabilities are big advantages among top companies.

The Top 100 USA Injection Molding Companies

This list provides you with the top 100 injection molding companies operating across the USA, illustrating the depth of expertise available in the American market. From small specialized firms to large-scale manufacturers, these businesses represent a cross-section of the industry. Each contributes unique capabilities and innovations to meet the evolving needs of its clients.

After this list, we will go into more detail about the top 10 plastic injection molding companies:

1. Yijin Hardware
2. Comar LLC
3. Fraen Corporation
4. Esterle Mold & Machine Company, Inc.
5. Caplugs
6. Accurate Molded Products, Inc.
7. Britech Industries
8. Deimling/jeliho Plastics, Inc.
9. Distinctive Plastics Inc.
10. Accudyn Products, Inc.
11. Artemis Plastics
12. Calico Precision Molding, LLC
13. Cavallero Plastics Inc.
14. Adkev Inc.
15. Bentonville Plastics, Inc.
16. Dimatic Die and Tool Co.
17. Acorn-Gencon Plastics, Inc.
18. Cascade Engineering
19. Agape Plastics, Inc.
20. Basler Plastics, LLC
21. Blackhawk Molding Co., Inc.
22. Burco Corp. Inc.
23. Colson Monette
24. Accurate Molded Plastics, Inc.
25. Aline Components, Inc.
26. American Engineering Group LLC
27. Baytech Plastics Inc.
28. Chenango Valley Technologies Inc.
29. DKM Manufacturing, Inc.
30. Eclipse Manufacturing Company
31. Engineered Plastics Company
32. FCI Molded Products Inc.
33. Four Process Ltd.
34. GSH Industries, Inc.
35. Hi-Rel Plastics & Molding
36. LTM Plastics
37. Maryland Plastic
38. Molded Devices, Inc.
39. MSI Mold
40. Valencia Plastics
41. Accent Plastics Inc.
42. Advanced Engineering & Molding Technology
43. Advanced Special Tools Inc.
44. All Form Silicone & Plastic Molding
45. All-Plastics LLC
46. All-State Plastics
47. Alliance Precision Plastics, Inc.
48. ALTEK Inc.
49. American Precision Products
50. American Tool & Mold, Inc.
51. Ames Industries, Inc.
52. AMTEC Molded Products
53. Anderson Technologies Inc.
54. Armstrong Mold Corporation
55. Aroplax Corporation
56. ASPEC
57. Atlantis Industries, Inc.
58. Automation Plastics
59. Blue Ridge Industries, Inc.
60. Boardman Molded Products, Inc.
61. Bright Enterprises
62. Capsonic Group
63. Carclo Technical Plastics
64. Century Mold Co. Inc.
65. CMP Custom Molding Inc.
66. Commercial Plastics Company
67. Craftech® Industries, Inc.
68. Custom Molded Products, LLC
69. D&L Tooling & Plastics Inc.
70. DeKALB Molded Plastics
71. Deluxe Plastics, Inc.
72. Denver Plastics Nebraska
73. Design Plastics Inc.
74. Design-Tek Tool & Plastic Inc.
75. Device Technologies, Inc.
76. DimcoGray Corporation
77. Dinesol Plastics, Inc.
78. Drug Plastics & Glass Co, Inc.
79. Eagle Mold Technologies, Inc.
80. Elm Industries, Inc.
81. Empire Precision Plastics
82. Engineering Industries, Inc.
83. Enplas (USA) Inc.
84. Ensinger Precision Components
85. EnviroTech Molded Products, Inc.
86. EVCO Plastics
87. Ferriot Inc.
88. Five Star Plastics
89. Flair Molded Plastics, Inc.
90. Flexcraft Company
91. Fox Valley Molding, Inc.
92. G&F Industries, Inc.
93. Garner Industries, Inc.
94. Global Plastics
95. Granite State Plastics
96. GreenLeaf Industries
97. H & L Advantage
98. Hart Enterprises, Inc.
99. Heritage Plastics, Inc.
100. Hi-Tech Mold and Tool, Inc.

The Top 10 USA Injection Molding Companies

This top 10 list shows some of the most innovative and reliable injection molding companies in the USA. These injection molders stand out due to their commitment to quality, technological advancements, and customer satisfaction.

From custom plastic injection molding to specialized services for medical devices and aerospace components, these companies are the best of the best!

1. Yijin Hardware

Yijin Hardware stands out as a leading manufacturer in the plastic injection molding industry, offering a comprehensive range of services to support both production and prototyping needs. Our expertise goes way beyond injection molding to include custom CNC machining, milling, and turning parts, making us a flexible partner for various manufacturing requirements. Our commitment to quality and trust ensures that our clients receive the best service and high-quality plastic parts with smooth surfaces. We have offices in both the USA and China, and we have both ISO 9001:2015 and ISO 14001:2015 certifications.

Our ability to make design changes efficiently and produce custom items quickly sets us apart in the competitive landscape of injection molders. Yijin Hardware’s focus on consistent precision and eco-friendly approach to minimizing material waste makes us a great choice for businesses looking for a reliable injection molding partner.

Our capability to work with both plastics and some metals, along with our technical expertise in producing intricate shapes with internal details, positions Yijin Hardware as a top choice for high-volume production needs.

• Services: Plastic injection molding, CNC machining, milling, and turning; high-volume production
• Unique Features: Dual ISO certifications (ISO 9001:2015, ISO 14001:2015), eco-friendly practices, quick custom production, offices in the USA and China
• Industries Served: High-volume manufacturing, custom component production

2. LTM Plastics

LTM Plastics has been a trusted partner in custom plastic injection molding over the past four decades. Its premium facility in Denver, Colorado, equipped with the latest technologies, allows it to offer shortened lead times and optimized production processes. With its Quick Response Molding principles, it can handle a broader range of volume requirements.

LTM’s continuous investment in research and development keeps it at the front of industry trends, solidifying its position as an industry leader in plastic injection molding services and the top of plastic news. It can run multiple thermoplastic resins and additives in any available color. The company is capable of meeting diverse and changing demands for precision molding and injection-molded plastic products.

• Services: Custom plastic injection molding, Quick Response Molding, precision molding with diverse thermoplastics
• Unique Features: 40+ years in Denver, CO; advanced tech for shorter lead times; strong R&D focus
• Industries Served: Mid- to high-volume precision molding, customized thermoplastic products

3. Four Process Ltd.

Four Process Ltd., a woman-owned family business with over 45 years of experience, has built a reputation for the highest quality in injection molding solutions. Its extensive knowledge and creative problem-solving approach allow it to offer cost-effective solutions for complex projects, including custom injection molding services, over molding, hot runner, cold runner, and prototype injection molding.

Its molding capabilities include 85- to 500-ton presses and has extra space for more presses, a quality lab, assembly, robotics automation, and land. The facility also has a central material handling system, and the company is ISO 9001:2015 certified.

Four Process Ltd.’s flexibility in providing shorter lead times and using alternative materials shows off its customer-centric approach, making it a go-to choice for businesses looking for reliable and innovative injection molding solutions.

• Services: Custom injection molding, over molding, prototype molding, quality lab, automation, assembly
• Unique Features: Woman-owned, 45+ years in business, ISO 9001:2015 certified, flexible with materials, cost-effective solutions
• Industries Served: Complex manufacturing, advanced automation, assembly-focused sectors

4. Britech Industries

Britech Industries, established in 1984 in Miami, has grown from a local specialist to a nationwide provider of custom manufacturing services. Its expertise in rubber molding, plastic extrusions, and injection molded parts has made it a key player in the light industry and manufacturing sectors.

Its capabilities include custom thermoplastic injection molding, machines from 40 to 300 tons, short to medium injection molding production runs, and it can process the majority of engineering and commodity grade resins. Additionally, it can handle cellular manufacturing, insert and over molding, custom automation engineering, and custom inventory programs.

Britech’s stocking and customizing services help customers keep costs low and maintain competitiveness in the global marketplace, making them a reliable partner for clients needing flexible and cost-effective molding solutions. It is an ISO 9001-2015 certified company.

• Services: Rubber molding, plastic extrusions, thermoplastic injection molding (40 to 300 tons), insert and over molding, custom automation, inventory management
• Unique Features: Established nationwide presence, cost-effective solutions, and flexible stocking and customization for competitive pricing
• Industries Served: Light industry, manufacturing

5. Valencia Plastics

Valencia Plastics Inc., founded in 2000, is a full-service blow molding and injection molding product manufacturer with expertise in the medical, military, aerospace, and pharmaceutical industries. Its comprehensive approach to product development includes services spanning product design, engineering, project management, manufacturing, packaging, and distribution.

It provides high-quality plastic injection molded parts ranging from 1 gram up to a 7 lb shot. Valencia Plastics is also ISO 9001:2015 compliant and offers assembly and secondary operations to meet your project needs.

Valencia’s expertise in mold making and numerous molding techniques, combined with its dedication to providing quality plastic products at affordable prices, makes them a flexible partner to bring your plastic product ideas to life.

• Services: Blow molding, injection molding, product design, engineering, manufacturing, assembly, packaging, and distribution
• Unique Features: Experienced in complex industries with ISO 9001:2015 compliance, extensive secondary operations
• Industries Served: Medical, military, aerospace, pharmaceutical

6. MSI Mold

MSI Mold, founded in 2005, has grown to become a customer-focused plastic injection molding company serving the greater Detroit automotive industry. Its ITAR: ISO 9001-compliant services include custom injection molding, prototype injection molding, insert molding, plastic part design, and tooling program management.

MSI Mold has expertise in the automotive sector, and the ability to handle complicated projects from design to production. It has an in-house programmable CMM inspections, which brings down lead time and makes sure that your parts are inspected with consistent quality. The company also offers free support for engineers.

• Services: Custom injection molding, prototype injection molding, plastic part design, tooling program management, in-house programmable CMM inspections
• Unique Features: Strong focus on automotive sector, ITAR & ISO 9001 compliance, reduced lead times, customer support
• Industries Served: Automotive

7. Molded Devices, Inc. (Aptyx)

Molded Devices Inc. (MDI), now known as Aptyx, is an industry leader in plastics processing, offering a wide range of services including custom plastic injection molding, blow molding, extrusion, and rapid prototyping. Its comprehensive capabilities go all the way to value-added services such as decorating and assembly, making it a one-stop shop for many clients.

The company’s services include Design for Manufacturability (DFM), predictive engineering, and Moldflow® simulation, and it is 13485:2016 certified with a capability of 5- to 940-ton presses. MDI’s mission to provide better, faster, and more cost-effective processes, products, and services positions it as a versatile and trustworthy partner injection molder.

• Services: Custom plastic injection molding, blow molding, extrusion, rapid prototyping, DFM, predictive engineering, Moldflow® simulation, decorating, assembly
• Unique Features: End-to-end capabilities with ISO 13485:2016 certification, one-stop shop for efficient, high-quality plastic processing
• Industries Served: Various industries needing versatile plastics processing solutions

8. GSH Industries, Inc.

GSH Industries is skilled in designing and developing tooling for producing a wide variety of plastic extruded shapes and profiles, earning them a diverse customer base. The company has expertise in plastic extrusions, aluminum extrusions, and rubber extrusions. With a reputation for delivering high-quality products at competitive prices, it is a socially responsible collaborator and supplier.

The company has 15 injection molding machines which range from 75 to 1,500 tons. These machines can make multiple kinds of custom-made prototypes, from small precision parts to large assemblies. Its capabilities also include insert molding, a large line of sizing options, mold temperature controllers, material dryers, ultrasonic welders, and heat stake machines.

• Services: Plastic, aluminum, and rubber extrusions; injection molding (75 to 1,500 tons); insert molding; prototyping; ultrasonic welding and heat staking
• Unique Feature: Socially responsible, diverse extrusion capabilities with competitive pricing, and extensive mold temperature control and drying options
• Industries Served: Wide-ranging applications in custom extrusion and injection-molded parts

9. Maryland Plastic Products

Maryland Plastic Products has been a leading manufacturer of molded plastic products for electronic packaging for nearly seven decades. Its focus includes producing a complete line of encapsulation cases and custom plastic parts.

With capabilities in custom fabrication, machining of plastics, custom molding, and secondary operations, Maryland Plastic offers a comprehensive range of services. The company can also produce custom products of any size, shape, or color in large volumes very quickly, with injection molding machines/presses from 30 to 200 tons.

Its diverse skill set and ability to work with specialized materials position them as a great choice if you need precision plastic injection molding services for important applications.

• Services: Custom plastic molding, fabrication, machining, encapsulation cases, and secondary operations; injection molding (30 to 200 tons)
• Unique Features: Experienced specialization in electronic packaging; fast, large-volume production capabilities for custom sizes, shapes, and colors
• Industries Served: Electronics, various precision applications in molded plastic parts

10. Hi-Rel Plastics & Molding

Hi-Rel Plastics & Molding, Inc. is a top custom plastic injection molding and blow molding company with over 35 years of experience. Its experience in working with a wide range of thermoplastic resins, including engineering-grade materials, sets it apart in the industry. The company’s certifications include ISO 9001:2015, AS 9100 Rev D, 13485:2016 Certified, and ISO 7 (Class 10,000) Type Clean Room.

Its capabilities include product design, blow molding, clean room molding, micro molding, liquid silicone molding, insert molding, over molding, rotational molding extrusion molding, and more!

Hi-Rel specializes in complex technical parts for medical devices, aerospace, military, and scientific applications, as well as luxury item components. Its commitment to product quality, on-time delivery, and superior customer service makes it stand out for important and high-end applications.

• Services: Injection molding, blow molding, clean room molding, micro and liquid silicone molding, rotational molding, extrusion molding, and product design
• Unique Features: ISO 9001:2015, AS 9100 Rev D, ISO 13485:2016, ISO 7 clean room; expertise in high-complexity technical parts
• Industries Served: Medical, aerospace, military, scientific, luxury goods

Yijin Hardware: Highly Skilled Injection Molding Company

And there you have it, the top 100 injection molders in the US! Yijin Hardware stands out as a top injection molding service provider.

Yijin’s Premium Services

With years of experience, premium facilities, and a team of highly skilled engineers, Yijin Hardware consistently delivers the best products to clients worldwide. Our comprehensive range of services, from design and prototyping to large-scale production, sets us apart in the competitive world of injection molding.

Our Injection Molding Process

Yijin’s injection molding process begins with a design and mold creation, followed by material preparation and injection. After injection, we cool the molten plastic and eject it. Finally, we trim excess material and apply finishing touches.

If you’re looking for a reliable partner to bring your injection molding projects to life, get in touch with the helpful team at Yijin Hardware.

Top 100 Injection Molding Companies in the USA FAQs

How many injection molding companies are there in the USA?

There are more than 800 injection molding companies in the USA. This includes everything from small shops to large manufacturers.

Who is the largest injection molding company in the world?

The largest injection molding company in the world is usually considered to be ENGEL, known for its extensive manufacturing capabilities and advanced technology. Other big players in the industry include companies like BASF and Husky Injection Molding Systems.

What is the hourly rate for injection molding?

The hourly rate for injection molding can vary widely, usually ranging from $50 to $150 per hour, depending on factors like the complexity of the mold and the materials used. Extra costs for setup, labor, and materials also contribute to the overall pricing.

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