- 9 leading manufacturers
- 145 additional suppliers
- 41 states and provinces
- 17 related categories
- 2 guide sections
Overmolding Companies
IQS Directory provides a comprehensive list of overmolding companies. Use our website to review and source top overmolding companies with roll over ads and detailed product descriptions. Find overmolding companies that can provide you with top of the line overmolding services to your company's specifications. Then contact the overmolding companies through our quick and easy request for quote form. Website links, company profile, locations, phone, product videos and product information is provided for each company. Whether you are looking for injection molded parts or prototype injection molding and rapid injection molding services, this is the resource for you.
Suppliers located in OH, CA, IL +38 more states
Contents (5 sections)
Leading Overmolding Manufacturers
Showing all 9
Certification, declaration and ownership records are on file for 1 of 9 suppliers in this list, from supplier reports IQS reviewed. A supplier without one listed may still hold it.
| Placement No. | Manufacturer | Location | Contact | Actions | |
|---|---|---|---|---|---|
| 1 | LTM PlasticsLTM Plastics is Denver's premium injection molder, serving up quality since 1977. At LTM, you can expect consistent results, transparency and meaningful collaboration. We talk with our customers to determine their needs and then build our processes to deliver the highest quality parts quickly. We have experience but we’re not beholden to the “old ways” of doing things. It’s all about finding the right solution for the situation. Call today and see if we're the right partner for your next project. | Denver, CO | |||
| 2 | Progressive Molding Technologies Inc.At Progressive Molding Technologies, we specialize in precision injection molded plastics engineered to meet demanding performance and quality standards. Our company works closely with customers to transform design concepts into durable, production-ready components used across a wide range of industries. | Medina, OH | |||
| 3 | Hi-Rel Plastics & MoldingHi-Rel Plastics is a U.S. custom plastic injection molding company specializing in precision injection molded parts for medical, aerospace, automotive, electronics, industrial, and consumer markets. We provide prototype through high-volume production, engineering-grade resins, insert molding, overmolding, tight-tolerance molding, tooling, assembly, and secondary operations with ISO-certified quality, competitive pricing, fast lead times, and reliable U.S. manufacturing.
Hi-Rel Plastics & Molding states: EU RoHS (Supplier-reported, reviewed Sep 2026), EU REACH (Supplier-reported, reviewed Sep 2026), Small Disadvantaged Business (Supplier-reported, reviewed Sep 2026), Minority-owned business (Supplier-reported, reviewed Sep 2026) | Riverside, CA | |||
| 4 | Quality Plastics, LLCAt Quality Plastics, LLC, we pride ourselves on being at the forefront of the injection molded plastics industry. Our expertise lies in crafting high-quality plastic components and products designed to meet the most demanding specifications and applications. We embrace a comprehensive approach to manufacturing, ensuring that each product we produce meets rigorous standards for precision and durability. | Fredericksburg, OH | |||
| 5 | TMF Plastic SolutionsAt TMF Plastic Solutions, precision and quality define our approach to injection molding. Advanced manufacturing capabilities and a deep understanding of material properties allow us to produce durable, high-performance plastic components for a variety of industries. | Plano, IL | |||
| 6 | PharoPLASTPharoPLAST is an engineering-led custom injection molder in Cleveland, Ohio that helps Midwest OEMs get new products to market faster and bring today’s production under tighter control. With faster lead times, lower startup costs, hands-on engineering support, and seamless communication, your plastic part supplier can finally become your plastic part partner. | Cleveland, OH | |||
| 7 | EXI-plast Custom Moulding Ltd.At EXI-plast Custom Moulding Ltd., we specialize in delivering high-quality injection molding solutions tailored to our client's diverse needs. With years of experience and advanced manufacturing capabilities, we excel in producing precision-molded components for various industries. Partner with us for reliable and customized injection molding solutions. | Centralia, ON | |||
| 8 | Zauderer Associates, Inc.At Zauderer Associates, Inc., we specialize in providing high-quality injection molding solutions tailored to meet the diverse requirements of our clients. Our team leverages extensive experience and advanced technology to produce precision-molded components that consistently exceed expectations. | Rockmart, GA | |||
| 9 | GSH Industries, Inc.You won’t find better quality injection molded plastics anywhere else in the industry. We have built ourselves up from a small manufacturing company to a large company with decades of experience. We can provide effective, efficient, and affordable solutions that will help you meet your goals and get the job done right. Contact us to learn more today! | Strongsville, OH |
Claim your Page One Spot
Leading overmolding manufacturers are listed first on this page, each with a website preview and a Request a Quote button on its row.
Additional Overmolding Companies
The category’s other overmolding companies are listed on their own page, with location, phone and website where each supplier provides them.
View 145 Additional Overmolding CompaniesDo not see your company listed in Overmolding?
Engineers and buyers use this page to find overmolding suppliers. Add your company to the Overmolding listings so they can find you too.
List Your Company- Listed in the Overmolding directory
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Overmolding Industrial Manufacturing Guides
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8 chapters, the longest in this category
Quick Answers
- How many overmolding manufacturers are listed on IQS Directory?
- 9 leading manufacturers and 145 additional suppliers.
- Where are overmolding manufacturers located?
- The listed suppliers are in 41 states and provinces: Ohio (19), California (16), Illinois (16), Michigan (10), Indiana (7), New York (7), Texas (7), Wisconsin (7), and 33 more.
- How do I get quotes from overmolding suppliers?
- Select suppliers in the table and choose Request Quotes. IQS reviews your request and forwards it to every supplier you select.
Overmolding
Overmolding is a process that is very similar to the standard injection molding process except for the fact that it combines two materials. The process is actually performed twice, making it a great option for applications where durability and reliability are required. Overmolded products are typically much stronger and more durable than standard injection molded components. Overmolding yields products such as push buttons or keys that receive a lot of use and need to withstand this heavy use while staying legible. This is why the markings on the keys are made through an overmolding process as opposed to a standard injection molding process or any other type of process.
Overmolding Process
Because the overmolding process is basically the standard injection molding process done twice, the margin for error is much smaller. First, the base material is injected into the mold to form the basic shape of the final product. This mold leaves space for the second injection of the second material. Once the second material is injected into the mold, the two materials harden and form the final product. Any error that is made in either of these processes results in having to redo the entire process. Overall, the overmolding process is used to layer materials on a product to provide strength, durability, or simply an aesthetic advantage. Overmolding, just like injection molding, is all based on the customers’ needs, requirements and specifications, as custom made products are easily made and designed in the mold designing phase. Injection molding processes, as a whole, are incredibly popular since products can be mass produced easily and affordably.
Things to Consider When Choosing Overmolding
It all starts with knowing and understanding your application and what you want from your overmolding product. Some applications may not require a great deal of specificity, but it is important to consider all of the factors that may influence your final product. The materials used, the mold design, and the process details are all heavily influenced by your intended application and requirements. An experienced overmolding company can assist you in addressing all of these factors, and they will give you recommendations and suggestions on how best to create a product for your needs. Finding an experienced, knowledgeable and trustworthy overmolding manufacturer is simple with IQS Directory, and it’s the best place to start on your journey to receiving a top of the line overmolded product.