Leading Plastic Injection Molding Services in Cincinnati, OH, for Every Industry Need
Ronningen Research & Development provides premium plastic injection molding services to businesses in Cincinnati, OH. With over 50 years of experience, we specialize in high-quality molded components for industries such as medical devices, consumer electronics, automotive, and telecommunications. From rapid prototyping to large-scale production, our team ensures precision and consistency in every part we produce. We take pride in delivering customized solutions that fit your business needs, helping you streamline manufacturing and reduce time to market.
Our advanced molding technologies combined with industry expertise enable us to create durable and high-performance molded parts that meet the specific requirements of your business. Whether you are launching a new product or scaling for mass production, Ronningen is here to provide reliable, cost-effective solutions every time.
Unmatched Quality and Precision in Every Molded Component for Cincinnati, OH
At Ronningen, we are committed to producing high-quality molded parts that consistently meet your specifications. We adhere to ISO 9001:2015 standards, ensuring that every mold undergoes rigorous quality control at every stage of production. Our team applies Six Sigma methodologies, reducing defects and ensuring that each part is made with precision and durability in mind. From medical-grade components to heavy-duty automotive parts, Ronningen guarantees exceptional performance in all industries.
Efficiency is a key element of our process. We use cutting-edge injection molding technologies to streamline production, reducing cycle times without compromising on quality. Whether it’s for prototype development or large-scale runs, Ronningen’s commitment to efficiency ensures that your products reach the market on time and within budget.
Comprehensive Plastic Injection Molding Services for Businesses in Cincinnati, OH
Ronningen offers a full range of plastic injection molding services tailored to meet the diverse needs of businesses in Cincinnati, OH. From initial concept and mold design to rapid prototyping and high-volume production, we provide end-to-end solutions. Our skilled engineers and technicians work closely with you to ensure that each product is manufactured to your exact specifications, whether you need one part or a thousand.
In addition to our standard injection molding, we offer specialized services such as over-molding, insert molding, ultrasonic welding, and custom coloration. These techniques allow us to create molded parts that are not only durable but also optimized for functionality and aesthetics. Our goal is to deliver solutions that exceed expectations in every project.
Why Ronningen is Cincinnati's Top Choice for Plastic Injection Molding Services
Ronningen stands as the leading provider of plastic injection molding services in Cincinnati, OH, thanks to our 50+ years of industry experience and our focus on quality and customer satisfaction. Our ISO 9001:2015 certification assures you that every molded part is manufactured to meet the highest global standards. We work closely with businesses across different industries, delivering reliable, high-quality parts that meet your specifications.
Beyond basic injection molding, we offer specialized services such as structural foam molding, part marking, and leak testing. These advanced services provide added functionality and ensure that your molded parts are designed for performance. Whether you need prototypes, short-run, or high-volume production, Ronningen guarantees efficient, cost-effective solutions that meet your project’s needs.
Serving Cincinnati, OH, and Surrounding Areas with Expert Plastic Injection Molding Solutions
Ronningen Research & Development is proud to serve businesses in Cincinnati, OH, with state-of-the-art plastic injection molding services. Our advanced facility is equipped with the latest molding technologies, ensuring we can provide reliable, efficient, and high-quality molded parts for any application. From custom injection molding to full-scale production, we are ready to support your manufacturing needs.
We’re dedicated to helping local businesses in Cincinnati meet their production goals. Whether you need small batches or large-scale production, our team works closely with you to ensure your parts meet the highest quality standards. Ronningen offers flexible, scalable solutions to help you stay competitive and efficient in the marketplace.
Our Certifications




Our ISO 9001 certified quality management system is registered and certified by NSF International Strategic Registrations and based on a number of quality management principles including:
- A strong customer focus
- Support of top management
- Adherence to a process approach
- Continual improvement
Under the scope of our registration are the following services:
- Prototype plastic injection tooling for molded parts
- Engineering evaluation samples
- Pilot and production plastic components
Our accreditation from NSF provides assurance to our customers that our certified components and products comply with the technical requirements of ISO 9001.
QMMY2.E116158 Fabricated Parts – Component
Underwriters Laboratories is an independent product safety testing and certification organization working for public safety since 1894. Since its founding, U/L has held the reputation as the undisputed leader in product safety and certification, giving consumers peace of mind about the products they use.
("ITAR," 22 CFR 120-130) REGISTERED
All manufacturers of defense articles, related data, and defense services as defined on the United States Munitions List (Part 121 of ITAR) are required to register with the Directorate of Defense Trade Controls (DDTC). ITAR registration is a means to provide the U.S. Government with necessary information on who is involved in certain manufacturing, brokering, and exporting activities.
(MBP3)
Commitment to our air, land, and water quality is paramount at Ronningen. Since 1999, we've served as a Michigan Business Pollution Protection Partner, adopting pollution prevention policies, committing to reductions, and sharing our successes with other MBP3 members.
Our Comprehensive Manufacturing Services: Plastic Injection Molding & More
Assembly & Sub-Assembly
At Ronningen Research and Development, we provide expert Assembly & Sub-Assembly services for seamless integration of components. Whether it's simple assemblies or complex multi-part solutions, we ensure precision and efficiency in every process.
Custom Coloration
Our Custom Coloration services offer tailored color options to meet your design and branding needs. We use advanced Plastic Injection Molding techniques to ensure long-lasting, consistent colors for your products.
Custom Cutting Parts
Ronningen Research and Development specializes in Custom Cutting Parts using state-of-the-art machinery. We provide accurate cuts for a variety of materials, meeting the specific needs of your project.
Drilling
We offer high-precision Drilling services to create exact holes in various materials. Our advanced equipment ensures accuracy and quality for projects requiring tight tolerances and consistent results.
Electroplating
Our Electroplating services enhance part durability and corrosion resistance with high-quality metallic coatings. We provide superior finishes for applications in automotive, electronics, and more.
Heat Staking
Heat Staking at Ronningen Research and Development creates strong, reliable bonds between plastic components without the need for additional materials. This process is ideal for parts requiring secure assembly and durability.
Hot Stamping
Hot Stamping services provide a high-quality finish with precision and efficiency. We use advanced techniques to apply logos, designs, and text to parts, ensuring a clean and lasting imprint.
Insert Molding
Insert Molding allows us to mold plastic around metal or other materials to create strong, integrated components. This service provides enhanced functionality and durability for complex applications.
Labeling
We provide precise Labeling services that ensure clear, durable markings for traceability, branding, and compliance. Our labeling process guarantees that your parts are correctly identified and meet industry standards.
Leak Testing
Our Leak Testing services verify the integrity of your products, ensuring they meet safety standards. We provide airtight and watertight testing to prevent failures and guarantee quality.
Machining
We offer high-precision Machining services for custom parts. Using advanced CNC equipment, we deliver consistent, high-performance components for a variety of industries.
Milling
Our Milling services create intricate parts with high accuracy. We use advanced equipment to ensure precise cuts and finishes for your custom projects.
Over Molding
Over Molding at Ronningen Research and Development creates multi-material components for enhanced durability and functionality. We mold plastic over existing parts to meet complex design requirements.
Packaging, Custom
Our Custom Packaging services protect your products during transportation and storage. We offer tailored solutions to ensure your parts arrive safely and in excellent condition.
Pad Printing
We provide Pad Printing services for high-quality markings on various materials. Ideal for branding, labeling, and customization, our process ensures precise, durable prints.
Over Molding
Over Molding at Ronningen Research and Development creates multi-material components for enhanced durability and functionality. We mold plastic over existing parts to meet complex design requirements.
Packaging, Custom
Our Custom Packaging services protect your products during transportation and storage. We offer tailored solutions to ensure your parts arrive safely and in excellent condition.
Pad Printing
We provide Pad Printing services for high-quality markings on various materials. Ideal for branding, labeling, and customization, our process ensures precise, durable prints.
Part Marking
Our Part Marking services at Ronningen Research and Development ensure clear and accurate markings for identification and traceability. We use advanced techniques to apply markings that meet industry standards.
Painting
At Ronningen Research and Development, our Painting services enhance the aesthetic and protective qualities of your parts. We apply durable coatings for both functional and cosmetic purposes.
Silk-screening
We offer Silk-screening services at Ronningen Research and Development for durable, high-quality prints on parts. This process is ideal for logos, designs, and labels, providing precise results for a variety of materials.
Shielding
Our Shielding services at Ronningen Research and Development protect components from electromagnetic interference. We use advanced materials and techniques to ensure reliable performance and compliance with industry standards.
Shipping
At Ronningen Research and Development, we handle Shipping with care, ensuring that your products are securely packaged and delivered on time. Our reliable shipping services help you get your products to the market quickly and safely.
Spin Welding
Spin Welding services at Ronningen Research and Development provide strong, durable bonds for plastic parts. This technique is ideal for creating seamless joints without the need for additional materials.
Structural Foam Molding
We offer Structural Foam Molding at Ronningen Research and Development for lightweight, durable plastic parts. This service provides strong components with a reduced weight, ideal for applications that require high strength without the added bulk.
Taping
Our Taping services at Ronningen Research and Development are designed to provide secure adhesion and protection for your products. We offer custom taping solutions to meet the needs of various industries.
Trimming
At Ronningen Research and Development, we provide Trimming services to finish and refine your parts. Our precise trimming process ensures clean edges and perfect finishes for your molded components.
Ultrasonic Welding
Ultrasonic Welding at Ronningen Research and Development uses high-frequency sound waves to create strong, precise bonds between plastic parts. Ideal for delicate applications, this process ensures high-quality, durable results without the need for adhesives.
Frequently Asked Questions About Our Plastic Injection Molding Services in Cincinnati
Ronningen Research & Development has been a trusted provider of plastic injection molding services for over 50 years. We specialize in producing high-quality molded parts for a wide range of industries, ensuring that every part meets your specific design and functional requirements. Our team works closely with you, providing valuable input to optimize part designs and streamline production for cost savings and improved product quality.
What industries do you serve with your plastic injection molding services in Cincinnati, OH?
At Ronningen, we serve a wide range of industries, including medical devices, consumer electronics, automotive, and telecommunications. We specialize in providing solutions tailored to each sector’s specific needs, ensuring molded parts meet exact performance, durability, and safety standards. Our diverse experience allows us to offer customized solutions that address unique challenges in every industry.
Can Ronningen handle both small and large production runs?
Yes, we have the capability to manage both small-scale production runs and large-volume manufacturing. Whether you need a few prototype parts for testing or thousands of units for full-scale production, Ronningen has the experience and resources to meet your requirements. Our team ensures timely delivery and high-quality results, regardless of the production size.
What types of materials do you use for plastic injection molding?
We work with a wide range of materials, including thermoplastics, thermosets, elastomers, and specialty resins. The material choice depends on the specific needs of your project, such as strength, flexibility, and temperature resistance. Our team helps you select the best material for your application to ensure the molded parts meet the desired functional and aesthetic requirements.
How do you ensure the quality of the molded parts you produce in Cincinnati, OH?
We follow strict ISO 9001:2015 standards and implement Six Sigma practices to ensure consistent quality in every molded part. Our quality control process includes automated inspection systems and rigorous testing, such as dimensional verification and functionality testing. This ensures that every part we produce meets your specifications and performs reliably in its intended application.
How long does it take to produce molded parts?
The production timeline depends on the complexity of the part and the quantity required. For prototype runs, we typically offer quick turnaround times, often ranging from a few days to a couple of weeks. For larger production runs, we work with you to develop a production schedule that ensures timely delivery without sacrificing quality. Ronningen is committed to meeting your deadlines while maintaining the highest standards of quality and precision.