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Top 7 Injection Molding Manufacturers in the USA
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Top 7 Injection Molding Manufacturers in the USA

Views: 3     Author: Site Editor     Publish Time: 2023-10-05      Origin: Site

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In the heart of the manufacturing world, the United States boasts an array of injection molding companies that play pivotal roles in shaping 

industries such as aerospace, automotive, medical, and electronics. These manufacturers are known for their precision, quality, and innovation. 

Join me as we explore the top 7 injection molding manufacturers in the USA.

  1. Rego Mould

Rego mould

Source: https://www.regomould.com/

● Location: US

● Company type: Manufacturer

● Year founded: 2017

● Number of employees: 70+

● Key Products: rapid prototyping



Rego Mould is a pioneer in rapid prototyping and on-demand production. Their cutting-edge technology allows for quick turnaround times, 

making them the go-to choice for businesses in need of prototypes and low-volume production. Renowned for its precision engineering and 

exceptional product quality. With cutting-edge machinery and a team of skilled professionals, they excel in producing intricate parts for various 

industries, including aerospace and medical.


2. EVCO Plastics

EVCO Plastics

Source: https://www.evcoplastics.com/


● Location: US

● Company type: Manufacturer

● Year founded: 1964

● Number of employees: 50+

● Key Products: rapid prototyping



As one of the largest custom plastic injection molding companies in the United States, EVCO Plastics has a rich history of providing high-quality

 injection molded parts. They serve a diverse range of industries, including automotive, healthcare, and consumer products. Stands out for its 

commitment to innovation. They continuously invest in the latest technology and materials, ensuring efficient and cost-effective manufacturing 

processes. Their expertise lies in producing high-volume, complex components. Their technologies include: multi-shot molding, overmolding, 

insert molding, in-mold decorating (IMD) and in-mold labeling (IML), molded-in color,  gas assist molding, stack molding technology.


3. Rex Plastics, Inc.

Rex Plastics

Source: https://rexplastics.com/


● Location: US

● Company type: Manufacturer

● Year founded: 1971

● Number of employees: --

● Key Products: custom injection molding



Rex Plastics is an employee-owned company renowned for its exceptional customer service and sustainable practices. They specialize 

in custom injection molding and mold making for various industries. Rex Products is known for its rapid turnaround times. They pride 

themselves on their ability to meet tight deadlines without compromising quality. Their customer-centric approach and competitive 

pricing make them a preferred choice for various applications.


4. Mack Molding

Mack Molding

Source: https://www.mack.com/

● Location: US

● Company type: Manufacturer

● Year founded: 1920

● Number of employees: --

● Key Products: prototyping services



With over 100 years of experience, Mack Molding offers a wide range of services, including injection molding, sheet metal fabrication, and 

full product assembly. Their expertise spans from medical devices to industrial equipment. Mack Molding Company specializes in custom 

injection molds. They offer comprehensive design and prototyping services, helping clients bring their product ideas to life. With an emphasis 

on quality and efficiency, they cater to diverse industries.


5. Xcentric Mold & Engineering


Xcentric Mold

Source: https://xcentricmold.com/

● Location: US

● Company type: Manufacturer

● Year founded: 2015

● Number of employees: --

● Key Products: low-volume production



Xcentric Mold & Engineering is a technology-driven company specializing in rapid prototyping and low-volume production. They pride 

themselves on delivering precision parts with short lead times. Xcentric Molded Products is known for its rapid turnaround times. They 

pride themselves on their ability to meet tight deadlines without compromising quality. Their customer-centric approach and competitive 

pricing make them a preferred choice for various applications.


6. Donnelly Custom Manufacturing Co.

Donnelly Custom Manufacturing

Source: https://beaconengineered.com/

● Location: US

● Company type: Manufacturer

● Year founded: --

● Number of employees: --

● Key Products: injection molding capabilities



Donnelly Custom Manufacturing is recognized for its engineering expertise and state-of-the-art injection molding capabilities. They serve 

industries like medical, electronics, and telecommunications. Donnelly Custom in custom injection molding for electrical and electronic 

components. They have a reputation for producing high-quality, durable parts designed to withstand demanding applications. Their 

commitment to quality control ensures consistent results.

7. RSP, Inc.

RSP, Inc.

Source: https://www.rspinc.com/

● Location: US

● Company type: Manufacturer

● Year founded: --

● Number of employees: --

● Key Products: Injection molding provider



RSP, Inc is a full-service contract manufacturer offering injection molding, tooling, and assembly services. Their commitment to quality 

and innovation has earned them a solid reputation. RSP is a full-service injection molding provider with a focus on sustainability. They 

prioritize eco-friendly manufacturing practices and offer material solutions that align with environmental goals. Their expertise spans 

industries such as medical, automotive, and industrial.


These top 7 injection molding manufacturers in the USA are at the forefront of technological advancements, ensuring that industries receive 

top-notch, precision-engineered components. Whether you're in need of rapid prototyping, custom injection molding, or high-quality 

production, these companies have the expertise to meet your demands.


In a world where quality and reliability are paramount, these manufacturers uphold the standards that businesses like mine, CNC MACHINING, 

value so dearly. It's through such collaborations and partnerships that we can continue to offer our clients the highest quality products.


So, when you're in search of injection molding excellence in the USA, look no further than these industry leaders. Their commitment to innovation 

and precision is driving the manufacturing landscape forward, benefiting a multitude of industries and end-users alike.


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