Top 8 Injection Molding Companies in Ohio

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When it comes to choosing an injection molding company, finding the right manufacturer is crucial for the success of your project. Ohio, known for its robust manufacturing sector, is home to numerous plastic injection molding companies, each offering unique capabilities and services. In this article, we will explore the top 8 injection molding companies in Ohio that excel in producing high-quality plastic parts and components.

Whether you’re in the automotive, medical, aerospace, or consumer goods industry, this guide will provide you with insights into the best injection molding manufacturers in Ohio, helping you make an informed decision.


1. What is Injection Molding?

Injection molding is a highly efficient and versatile manufacturing process used to produce a wide range of plastic parts and components. In this process, molten plastic material is injected into a mold cavity, where it cools and solidifies into the desired shape. The mold, which is custom-designed, can be reused for mass production, making injection molding a cost-effective solution for producing large quantities of plastic products with consistent quality.

The versatility of injection molding allows manufacturers to produce parts with intricate designs, tight tolerances, and complex geometries. This makes it ideal for industries such as automotive, medical, electronics, aerospace, and consumer goods, where precision and durability are critical.

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2. Importance of Choosing the Right Injection Molding Company

Selecting the right injection molding manufacturer is essential for ensuring the success of your project. The right company can provide high-quality molds, precision parts, and fast turnaround times, while helping you control costs and minimize waste. A good injection molding partner will also offer expertise in material selection, design optimization, and troubleshooting during the production process.

Key factors to consider when choosing an injection molding company include:

  • Experience and Industry Expertise: Does the company have experience in your specific industry?
  • Capabilities and Equipment: Can the company handle the size, complexity, and volume of your project?
  • Quality Control: What quality assurance processes are in place to ensure consistent and defect-free products?
  • Customer Service: Does the company offer good communication, flexibility, and collaboration throughout the project?
  • Location: For logistical reasons, partnering with an injection molding company in Ohio might be advantageous for businesses based in or near the state.

With this in mind, let’s take a closer look at the top 8 injection molding companies in Ohio.


3. Top 8 Injection Molding Companies in Ohio

1. Proto Plastics

Location: Tipp City, Ohio

Proto Plastics has been providing precision plastic injection molding services since 1969. Specializing in small to medium-sized parts, Proto Plastics serves a variety of industries, including automotive, medical, and electronics. The company is known for its advanced engineering capabilities, which include 3D prototyping and design assistance.

  • Key Services:
    • Precision plastic injection molding
    • Engineering support and prototyping
    • Tooling design and fabrication
    • Assembly and secondary operations
  • Industries Served: Automotive, medical, electronics, industrial equipment

Proto Plastics is committed to delivering high-quality plastic parts, with a strong emphasis on quality control and customer satisfaction. They are ISO 9001:2015 certified, ensuring strict adherence to industry standards.

2. Thogus Products Company

Location: Avon Lake, Ohio

Thogus Products Company has been a leading provider of plastic injection molding services for over 65 years. The company prides itself on its innovative approach to manufacturing, utilizing cutting-edge technologies such as 3D printing and rapid prototyping to deliver complex plastic components.

  • Key Services:
    • Custom injection molding
    • 3D printing and prototyping
    • Material selection support
    • Secondary operations and assembly
  • Industries Served: Medical, consumer goods, industrial, automotive

Thogus is known for its flexibility and ability to handle both small and large-scale production runs, making it an ideal partner for businesses seeking custom plastic injection molding solutions.

3. Universal Plastics Group

Location: Middlefield, Ohio

Universal Plastics Group offers comprehensive plastic injection molding services, from product design and development to full-scale production. With multiple manufacturing locations, including in Ohio, the company serves a wide range of industries with a focus on complex, high-tolerance parts.

  • Key Services:
    • Custom plastic injection molding
    • Thermoforming and blow molding
    • Tooling design and fabrication
    • Secondary operations and assembly
  • Industries Served: Aerospace, medical, automotive, consumer goods

Universal Plastics Group is known for its engineering expertise and ability to take on challenging projects, delivering high-quality plastic parts that meet stringent industry standards.

4. Design Molded Plastics

Location: Macedonia, Ohio

Design Molded Plastics has built a reputation for delivering high-quality injection molded products for the medical, electronics, and industrial sectors. The company offers a full range of services, from design and prototyping to high-volume production.

  • Key Services:
    • Custom plastic injection molding
    • Tooling design and manufacturing
    • Prototyping and product development
    • Post-molding services and assembly
  • Industries Served: Medical, electronics, industrial

With a focus on precision and quality, Design Molded Plastics is a trusted partner for companies seeking high-performance plastic components.

5. Nicolet Plastics

Location: Erie, Ohio (also has facilities in Wisconsin)

Nicolet Plastics offers custom plastic injection molding solutions with a focus on complex, low-volume, and quick-turnaround projects. Known for its innovative approach, Nicolet Plastics utilizes advanced technology and automation to produce high-quality parts at competitive prices.

  • Key Services:
    • Custom plastic injection molding
    • Complex part design and manufacturing
    • Secondary operations and assembly
  • Industries Served: Automotive, medical, electronics, consumer goods

Nicolet Plastics’ commitment to continuous improvement and innovation makes it a top choice for companies that require fast, flexible, and cost-effective plastic injection molding solutions.

6. Plastics Products Inc.

Location: Middlefield, Ohio

Plastics Products Inc. is a full-service plastic injection molding company that specializes in producing high-quality plastic parts for a variety of industries. The company offers end-to-end services, from product design and development to full-scale production and assembly.

  • Key Services:
    • Custom plastic injection molding
    • Tooling and mold fabrication
    • Product development and prototyping
    • Assembly and packaging
  • Industries Served: Automotive, medical, consumer goods, industrial

Plastics Products Inc. is known for its focus on customer satisfaction and its ability to deliver high-quality products on time and within budget.

7. Laszeray Technology

Location: North Royalton, Ohio

Laszeray Technology is a leading provider of plastic injection molding services, offering a full range of manufacturing capabilities. The company specializes in producing complex, high-precision parts for industries such as aerospace, medical, and industrial equipment.

  • Key Services:
    • Precision plastic injection molding
    • Tooling design and manufacturing
    • Engineering support and prototyping
    • Assembly and secondary operations
  • Industries Served: Aerospace, medical, industrial, consumer goods

Laszeray Technology is known for its commitment to quality and innovation, making it a top choice for businesses looking for a reliable injection molding partner.

8. Jaco Products

Location: Middlefield, Ohio

Jaco Products is a leading plastic injection molding company with over 70 years of experience in the industry. The company offers a wide range of services, including custom injection molding, CNC machining, and thermoforming, making it a versatile partner for businesses in various industries.

  • Key Services:
    • Custom plastic injection molding
    • CNC machining and tooling
    • Product design and development
    • Secondary operations and assembly
  • Industries Served: Automotive, electronics, medical, industrial

Jaco Products is known for its technical expertise and ability to deliver high-quality plastic parts with tight tolerances, making it a trusted partner for companies in need of precision components.


4. Conclusion: How to Choose the Best Injection Molding Partner for Your Business

Choosing the right injection molding company is critical to the success of your product development. Each of the companies listed above offers unique capabilities, industry expertise, and a commitment to quality that can help ensure the success of your project. When selecting a partner, consider factors such as their experience in your industry, their ability to meet your specific manufacturing needs, and their focus on quality control and customer service.

By partnering with one of Ohio’s top injection molding companies, you can rest assured that your project will be in capable hands, from design and prototyping to full-scale production. Whether you’re looking for a high-volume production run or a small, specialized batch of parts, Ohio’s injection molding manufacturers have the expertise and capabilities to deliver.

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