Plastic Injection Molding & Manufacturing Solutions in Southaven, MS
Ronningen is a leading provider of high-quality plastic injection molding and manufacturing solutions in Southaven, Mississippi. With over 50 years of experience, we specialize in producing precision-molded plastic parts for industries such as automotive, medical devices, aerospace, and consumer electronics. Our state-of-the-art facility uses the latest injection molding technology, allowing us to efficiently handle both small prototype runs and large-scale production runs while maintaining precision and quality at every stage.
In addition to injection molding, we offer a comprehensive range of secondary services, including over molding, insert molding, ultrasonic welding, electroplating, and custom packaging. These in-house services help streamline production, reduce lead times, and ensure that each part meets the highest standards for both functionality and aesthetics. Ronningen is committed to providing cost-effective manufacturing solutions that meet your production requirements.
Complete Manufacturing Solutions for Southaven’s Industries
At Ronningen, we offer a full range of plastic manufacturing services designed to meet the specific needs of businesses in Southaven. Our plastic injection molding services include over molding, insert molding, and structural foam molding, ensuring high-quality, durable parts for a wide variety of industries. Whether you need prototypes for testing or are scaling up for full production, our team ensures each part is manufactured with precision and meets your exact specifications.
We also provide secondary services such as machining, leak testing, part marking, electroplating, and packaging—all performed in-house to reduce lead times and improve efficiency. By offering all of these services under one roof, we simplify the production process and ensure the highest-quality results for businesses in Southaven.
Precision Plastic Injection Molding for Southaven, MS
Ronningen is committed to delivering precision plastic injection molding services to businesses in Southaven, ensuring high-quality parts with tight tolerances and intricate designs. Our facility is equipped with high-tonnage molding machines that can handle both small and large production runs. Whether you require complex, multi-material parts or simple components, we use the latest molding technology to ensure each part is made with exceptional precision.
In addition to injection molding, we offer specialized services like ultrasonic welding, spin welding, and structural foam molding to create parts with additional strength and lightweight properties. We also provide in-house machining, leak testing, and custom cutting services to ensure your parts meet the highest standards. Ronningen’s integrated manufacturing solutions help streamline production and reduce lead times.
Why Southaven, MS Manufacturers Choose Ronningen
Ronningen is the trusted partner for plastic injection molding in Southaven because we offer an integrated, comprehensive approach to manufacturing. Our services include traditional injection molding, over molding, insert molding, and structural foam molding, allowing us to produce complex, high-performance parts. Additionally, our in-house machining, electroplating, and custom packaging services help streamline production and reduce costs, ensuring that every part is produced with the highest quality and efficiency.
By offering all of these services under one roof, we help businesses reduce lead times and eliminate the need for multiple suppliers. Ronningen’s ability to handle every aspect of production in-house ensures precision, reduces complexity, and allows for faster turnaround times, making us the ideal choice for manufacturers in Southaven.
Fast, Reliable Plastic Manufacturing Solutions for Southaven, MS
Ronningen’s Southaven facility is designed to deliver fast, reliable, and efficient plastic injection molding services. We understand the importance of meeting tight deadlines, especially for industries that rely on prototypes or low-volume production runs. Our team is equipped with the latest technology and high-tonnage machines to efficiently scale production while maintaining the highest quality standards.
We offer additional secondary services like machining, leak testing, part marking, and packaging—all completed in-house to reduce complexity and streamline the production process. By offering these services under one roof, we ensure faster production times, more efficient workflows, and timely delivery of parts to meet your exact specifications.
Southaven, MS: Custom & Precision Plastic Injection Molding




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.
Leading Plastic Injection Molding & Manufacturing in Southaven, MS
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 Plastic Injection Molding in Southaven, MS
At Ronningen, we understand that choosing the right manufacturing partner is crucial for your project’s success. To help you make an informed decision, we’ve answered some of the most common questions we receive from businesses in Southaven, MS. We are here to provide clarity and ensure your project meets all of your requirements, from design to production.
Q1: What plastic injection molding services does Ronningen offer in Southaven?
Ronningen offers a full range of plastic injection molding services, including traditional molding, over molding, insert molding, and structural foam molding. We also provide secondary services like machining, electroplating, part marking, and custom packaging. These services are completed in-house to ensure efficiency, reduce lead times, and guarantee high-quality results for every part produced.
Q2: Can Ronningen handle both small prototypes and high-volume production?
Yes, Ronningen is fully equipped to handle both small-batch prototypes and large-scale production runs. Our advanced systems and high-tonnage molding machines allow us to scale production to meet your needs, ensuring precision and quality at every stage. Whether you need a few hundred parts or millions, we ensure consistent results across all production sizes.
Q3: How does Ronningen ensure the quality of molded parts?
We follow ISO 9001:2015 certified processes for quality management, using advanced inspection systems like CMMs, vision cameras, and leak testers to ensure every part meets your exact specifications. Our team conducts rigorous quality checks at every stage of production, ensuring that all parts meet your performance and aesthetic requirements.
Q4: What types of materials does Ronningen use for plastic injection molding?
Ronningen works with a variety of materials, including polypropylene, ABS, polycarbonate, and high-performance thermoplastics. We assist you in selecting the best material based on your part’s function, durability, and environmental conditions. We also offer custom coloration to match your specific design needs.
Q5: Does Ronningen provide prototype injection molding services?
Yes, Ronningen specializes in prototype injection molding. Our rapid prototyping services allow you to test your designs, materials, and dimensions before full-scale production. This helps identify potential issues early and ensures the final product meets your requirements. We work closely with you to refine the design and material selection, ensuring the best results.