Top 10 Plastic Injection Mold Companies

Plastic products are commonly manufactured using the plastic injection molding process. This process involves pouring molten plastic pellets into a plastic mold (other materials, such as resin, polyethylene, ABS, nylon, and polycarbonate, can also be used). The plastic mold is typically made of steel and shaped similarly to the desired product. The molten plastic or resin cools and solidifies as it is injected into the mold, and then ejected.

Plastic injection molding can be used to produce a variety of plastic products, including those used in the manufacture of automobiles, medical devices, and housing components. In this article, we will introduce the top ten plastic injection mold companies, their main services, advantages and disadvantages, etc., to help you choose the right plastic injection mold company according to your needs.

10 of the Best Custom Plastic Injection Mold Companies

Moldpartner

The company was founded in 2006 and is recognized for delivering customized solutions to meet the specific needs of its customers. Customers need to upload a 2D or 3D file to know about the process, material quantities, and design. After that, they provide DFM before the instant quote. The manufacturing process begins after the order is placed, and the product is shipped for fast delivery. They can achieve a tolerance of ±0.005 in mass production. Basic manufacturing services that this company provides are:

• Plastic Mold
• Plastic injection molding
• Investment Casting
• CNC machining
• Die Casting

The company has a team to guide you at every step, helping you create your custom items. Every employee in Moldpartner has more than ten years of experience. The company has delivered 4,000 flawless projects over 19 years. Their engineers provide you with the prototype before the final product.

Ironwood Plastics, INC.

Ironwood Plastics, Inc. has been providing inspired engineering and precision results since 1979. This company has advanced mold capabilities. The company provides services like:

• Two-shot molding
• Reel-to-reel molding
• Insert molding
• Close tolerance molding
• Overmolding

They invest in the latest technologies and skilled workers. This lets them handle both simple and complex tasks with great precision.

The company has engineering solutions like:

• Transfer and Reshoring Options
• Feasibility Reviews
• Process Development and Cavity Pressure Monitoring
• Automation and Robotics
• Mold and Automation Design, Build, and Repair
• Design for Manufacture Analysis
• Mold Flow Analysis
• Metrology
• High Temperature Resin Molding
• IQMS

Ironwood Plastics is your top choice for engineered molding solutions. They focus on excellence and hold ISO 9001 and IATF 16949:2016 certifications.

Berry Global, Inc.

Berry leads the world in responsible packaging for consumer and healthcare products. They are in over 140 countries and have more than 400 sites. They have a team of 70,000 who create innovative, sustainable packaging. This helps customers grow and meet the needs of consumers worldwide. Their customized solutions elevate brands, enhance everyday life, and drive environmental progress. The Amcor group has US$23 billion in annual sales. It leads in material science, design innovation, and circular economy practices.

Xometry

Xometry offers high-quality custom parts for various industries. These include aerospace, automotive, medical, robotics, and consumer electronics. They offer advanced capabilities, quick quotes, and a broad network of resources.

Key Capabilities:

• CNC machining, 3D printing, sheet metal fabrication.
• Injection molding, die casting, and extrusion service.
• Weldments, turnkey solutions, and assembly.
• Live quoting and comparison of price and lead time.
• Worldwide network ISO 9001 & AS9100D certified.

Quality standards are of the highest level, as the company is certified to ISO and ITAR standards. Xometry offers more than 20 manufacturing processes and over 70 materials. They provide expert engineering support. They also handle supply chains for prototyping and large-scale production.

Proto Labs, Inc.

Protolabs is a top global provider of digital manufacturing services. They quickly create custom prototypes and on-demand parts. This speeds up product development. With a full range of services such as:

• Injection molding
• CNC machining
• 3D printing
• Sheet metal fabrication

They provide the support of an advanced DFM analysis and professional engineering consultation. The company holds certifications for ISO 9001:2015, ISO 13485:2016, and AS9100D. They have applications in industry that include:

• Aerospace
• Automotive
• Medical
• Consumer electronics industries

Protolabs enables both low-volume and high-volume production, providing a wide selection of materials. They offer lead times as quick as one day. This helps businesses launch products quickly. It keeps costs low while maintaining high quality.  They have supported more than 90% of the Fortune 100 companies globally.

Jones Plastic

Jones Plastic is a global leader in assembly and injection molding. They have over 50 years of complete manufacturing experience. They introduced gas assist and high-speed molding in the early 1990s. This helped customers bring products to market more quickly and efficiently. This helps with cargo, handling, and labor for global clients.

Key Facts:

• Equipment: 135 molding presses.
• Markets: Automotive, household products, powersports, outdoor sports, and appliances.
• Core Services: Injection molding, painting, hydro graphics, prototyping, tooling, and value-added operations.

Crescent Industries

Crescent Industries is one of the American-established injection molders and tool builders. They have over 75 years of experience serving medical, military, and industrial markets. The company provides full lifecycle support for:

• Design for Manufacture (DFM)
• Tooling
• Molding
• Automation
• Post-processing

They have ISO 13485 certification, FDA registration, and ITAR compliance. This ensures they follow the best practices in regulated industries

Core Services:

• Plastic injection molding design & tooling
• Injection molding, Custom injection molding
• Kitting & assembly
• Automation solutions

MSI Mold

MSI Mold has been producing high-quality plastic injection-molded parts since 2005. All parts are manufactured 100% in the USA. They can also be CNC precision-machined. They have complete in-house tooling and manufacturing, as well as full control over quality. Manufacturers follow strict quality control. They also have ISO 9001 approval and ITAR registration. They specialize in:

• Plastic Injection
• CNC Machining
• Prototype Molding
• Design & Engineering

The company’s in-house capabilities include tooling, production, and quality inspections. The company delivers 100 units or fewer, with a maximum of 100,000 units per order. The quality of the product is maintained by quality advanced planning (AQP). The company supplies products to various sectors, including automotive, industrial, and consumer goods.

HITOP Industrial

For 21 years, HITOP Industrial has provided full-service product solutions. They combine smart idea development, high production quality, and efficiency in one place. Modern equipment, skilled staff, and new technology make them a trusted global partner.

Key Services:

• Mold Design & Engineering: Great designs, mold flow analysis, and product optimization.
• Mold Making: Quality molds using state-of-the-art processing equipment.
• Rapid Prototyping: Rapid, precise prototypes through experienced designers and engineers.

Injection molding enables the reproducible, highly accurate, and economical manufacture of products. They have a reputation for producing mold sizes up to 3000 x 2500 mm.

• Die Casting -Macro-technological machines (160T-850T) with multiple applications.
• Secondary Process & Assembly Laundry -Union Finishing and Assembly.

Rodon Group

Since 1956, Rodon Group has been producing high-volume custom plastic injection molding products. Both ISO 9001 and ISO 13485 are certified. The company works in several industries, including:

• Medical/Pharmaceutical
• Food/Beverage
• Construction
• Window/Door Production

It has the specifications as:

• Design & Engineering: Innovative, Professional solutions to complex manufacturing problems.
• Toolmaking: Long-lasting precision molds.
• Automation & Robotics: High-tech automation to produce highly consistent outputs on a cost-effective basis.
• Sustainability:Being responsible towards the environment in production.

A US-based company with full-service capabilities such as concept, manufacturing, assembly, and testing.

Conclusion

Choosing the best plastic injection mold company requires careful consideration of multiple factors, including quality and reputation. The ten plastic injection mold companies listed above have achieved success through innovation, top-tier technology, and reliability. They offer high-volume production, prototyping, and custom molding solutions.

Moldpartner offers a wide range of tolerances. Xometry provides fast quotes through its digital network. Both companies have unique strengths. Ironwood Plastics and Rodon Group focus on automation and quality. Crescent Industries and MSI Mold, on the other hand, target regulated markets, including medical and defense. Protolabs and HITOP Industrial excel in speed and in-house capabilities.