Top 10 Injection Molding Manufacturers in the USA For 2025
The injection molding industry plays a key role in modern manufacturing. It allows for the mass production of high-quality plastic parts quickly. As demand rises in automotive, medical, consumer goods, and aerospace, picking the right mold manufacturer is important. The best U.S. firms shine by using technologies like multi-cavity molds and hot runner systems. They also ensure quality with ISO-certified processes and have strong industry experience. This list ranks the top 10 injection molding manufacturers in the USA.
Top 10 Injection Molding manufacturers in the USA
The injection molding industry plays a key role in modern manufacturing. It allows for the mass production of high-quality plastic parts quickly. As demand rises in automotive, medical, consumer goods, and aerospace, picking the right mold manufacturer is important. The best U.S. firms shine by using technologies like multi-cavity molds and hot runner systems. They also ensure quality with ISO-certified processes and have strong industry experience. This list ranks the top 10 injection molding manufacturers in the USA.
Upminc-Best Injection Molding Manufacturers USA
Upminc is in the middle of the USA. It is a top plastic molding manufacturer. The company started in 2002 and has over 200 workers. Upminc does custom injection molding and rapid prototyping. It also handles big production jobs. Upminc has ISO 9001 certification. This shows it cares about quality. The company uses automation and digital twins to control its process. Upminc is known for making good products fast. Customers like Upminc for its strong engineering help and flexible tooling.
REX Plastics
REX Plastics is in Vancouver, Washington. It started in 1971 and is family-owned. The company has about 50 workers. As one of the leading USA injection molding companies, REX Plastics mainly focuses on custom injection molding and mold design. It also offers assembly services. The company makes high-quality products for electronics and cars. It also serves consumer goods. REX Plastics has ISO 9001 certification. It trains its workers often. The company is known for great customer service. It can make complex injection molded parts. REX Plastics works with material suppliers to make special resin formulas.
How We Ranked Manufacturers
To pick the best injection molding manufacturers, we looked at many things. We checked certifications, experience, technology, customer reviews, and services. These points help us find companies that make good products and give great service.
- There are 555 plastic injection molding companies in the U.S.
- Most are in the Midwest. This shows that location and skilled workers are important.Most companies sell mainly in the U.S. About 76% of mold makers focus on local sales. This helps them deliver on time and keep supply chains strong.
- Company size is important too. The top 10 companies have 150 to 850 workers. This means they can handle big orders and tough jobs.
- More people want injection molding now. IndustryNet says searches went up by 27%. Requests for quotes jumped by 102.1% in 2020. Companies also stand out by what they do best. Each one has special skills and areas they focus on.