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Kenosha

Kenosha

Precision Plastic Injection Molding Services in Kenosha, WI

Ronningen Research & Development brings more than 50 years of expertise in plastic injection molding to manufacturers across Kenosha, WI. Our certified processes and advanced technology support custom injection molded parts for industries including medical, telecommunications, automotive, and consumer electronics. We specialize in prototype injection molding, low- to high-volume production, and complex mold design—all crafted in the USA.
As one of the most trusted plastic injection molding companies in Wisconsin, we help Kenosha-based manufacturers reduce production time, improve part quality, and gain a competitive edge in their market. From idea to delivery, we engineer every part to meet exact specifications with accuracy and speed.

High-Quality Injection Molding for Kenosha, WI With ISO-Certified Precision

Every molded part leaving our facility meets stringent quality benchmarks thanks to our ISO 9001:2015 certification and Six Sigma methodology. In Kenosha’s competitive industrial landscape, your project demands exacting tolerances, consistent repeatability, and fast turnaround—Ronningen delivers all three. We use cutting-edge molding equipment and streamlined manufacturing processes to produce plastic parts faster, with fewer defects, and higher efficiency. Whether you need custom molded enclosures, components for medical devices, or engineered plastic parts for electronics, we guarantee dependable results on every production run.

Custom Plastic Injection Molding Services Tailored for Kenosha Projects

Ronningen Research & Development offers a full suite of plastic injection molding services for businesses in Kenosha, WI. Our offerings include custom tooling, rapid prototyping, insert molding, over molding, hot stamping, and ultrasonic welding—all performed under one roof for seamless execution. We also specialize in multi-material and complex part production, ideal for modern product applications. Whether you’re developing consumer-facing components or internal mechanical assemblies, our experienced engineers ensure your molded parts are functional, durable, and market-ready.

Trusted Injection Mold Manufacturer for Kenosha’s Industrial Sector

Ronningen has earned the trust of Fortune 500 OEMs by consistently producing plastic injection molded parts with precision, speed, and reliability. Our team combines technical expertise with advanced molding equipment, allowing us to support everything from one-off product prototypes to multi-million-unit production runs. We also offer value-added services like leak testing, pad printing, part marking, and structural foam molding. With decades of experience and cutting-edge tools, we’re proud to support the success of Kenosha’s manufacturing community.

Serving Kenosha, WI and the Surrounding Manufacturing Hubs

Located strategically near major industrial corridors, Ronningen proudly serves Kenosha and nearby areas with fast, efficient plastic injection molding services. From local startups to large manufacturers in the area, we provide flexible and scalable molding solutions that help your products reach market faster.
Whether you’re in Kenosha proper, Pleasant Prairie, or Somers, our expert team is ready to turn your product idea into a finished, production-ready plastic part. With direct communication and fast shipping, we ensure projects stay on time and on budget.
Certifications

Expert Plastic Injection Molding Services in Kenosha, WI

ISO 9001:2015
Quality Management System
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U/L CERTIFIED
Product Safety Testing
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ITAR REGISTERED
22 CFR 120-130
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MBP3 MEMBER
Pollution Prevention Partner
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Our Comprehensive Manufacturing Services: Plastic Injection Molding & More

At Ronningen Research and Development, we specialize in providing high-quality, precision-driven manufacturing solutions tailored to your needs. With over 50 years of experience, our expertise in Plastic Injection Molding and other manufacturing services ensures we meet the most demanding industry standards. Our wide range of services is designed to reduce your time-to-market, improve product quality, and streamline production processes. Below, explore the services we offer and see how we can help your business grow:

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.

FAQs – Plastic Injection Molding Services in Kenosha, WI

Considering plastic injection molding for your next project in Kenosha? Here are some essential answers to help you move forward with confidence.
Which industries benefit most from your injection molding services in Kenosha, WI?
Yes, Ronningen offers quick-turn prototype injection molding and small-volume production for development and pilot phases. This allows Kenosha businesses to test form, fit, and function before committing to high-volume molds.
Our inventory includes ABS, nylon, polycarbonate, polypropylene, and over 250 other resins. Whether you need chemical resistance, flexibility, or impact strength, we’ll recommend the ideal material based on your part’s requirements.
We use process monitoring, in-line inspections, and non-contact vision systems to ensure each part meets your specs. Our ISO-certified workflow ensures quality from first shot to final shipment—perfect for Kenosha’s high-demand industries.
We use process monitoring, in-line inspections, and non-contact vision systems to ensure each part meets your specs. Our ISO-certified workflow ensures quality from first shot to final shipment—perfect for Kenosha’s high-demand industries.
Lead times depend on mold complexity and volume, but our streamlined operation delivers fast results. Rapid prototyping can be completed in days, while full production runs are scheduled with strict timelines to meet your delivery needs.