Premier Plastic Injection Molding Services in New York City, NY
Unmatched Quality in Plastic Injection Molding
At Ronningen, quality is our priority. We follow a stringent quality control process to ensure that every product meets the highest standards. From the design phase to production and testing, we implement comprehensive measures to maintain quality throughout the entire lifecycle of your project. Our commitment to Six Sigma quality and continuous improvement drives us to reduce defects and ensure that all molded parts are consistent and reliable.
In addition to maintaining product quality, Ronningen is committed to optimizing production efficiency. Our advanced manufacturing techniques allow us to streamline workflows and reduce lead times, making us the ideal partner for businesses that require fast, cost-effective solutions. Whether you’re creating small batches or scaling up for large production runs, you can count on Ronningen to meet your needs with speed and precision.
Comprehensive Plastic Injection Molding Services in New York City
At Ronningen Research & Development, we provide a complete suite of plastic injection molding services, designed to meet the diverse requirements of industries in New York City. From custom injection molding and prototype development to full-scale manufacturing, we have the tools and expertise to deliver products that exceed your expectations. Our advanced injection molding machines are complemented by a team of skilled engineers who ensure that your products are crafted with precision and efficiency.
In addition to our core injection molding services, we also offer specialty options such as custom coloration, structural foam molding, and part marking. These services help enhance the functionality and aesthetic quality of your products. Our ability to integrate advanced technologies like heat staking, ultrasonic welding, and leak testing into the manufacturing process sets us apart from other plastic injection molding companies in New York City. Whatever your project requires, we deliver consistent, high-quality results.
Why Choose Us for Plastic Injection Molding in New York City?
Ronningen Research & Development stands out in New York City for its ability to deliver high-quality plastic injection molding solutions. Our ISO 9001:2015 certification guarantees that every part we produce meets strict global standards, ensuring exceptional quality and durability. With over 50 years in the industry, we’ve built long-lasting relationships with Fortune 100 and 500 companies who trust us for their complex manufacturing needs. Our expertise in both prototyping and large-scale production makes us the perfect partner for projects of any size.
We specialize in more than just standard injection molding. Ronningen offers a wide range of specialized services, including over-molding, insert molding, and ultrasonic welding. These capabilities allow us to meet a variety of customer needs and offer solutions that optimize both performance and cost-efficiency. Whether you need customized solutions or quick-turnaround prototypes, Ronningen Research & Development ensures your parts are produced to perfection every time.
Serving New York City and Surrounding Areas
As a leading provider of plastic injection molding services, Ronningen is proud to serve clients in New York City, NY. Our facility is equipped with state-of-the-art technology, ensuring that we can deliver the most innovative solutions for your business. Whether you need prototypes or large production runs, we are ready to meet your needs and exceed your expectations.
Ronningen Research: Premier Plastic Injection Molding in NYC




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.
Premier Plastic Injection Molding Provider in New York City
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
If you are considering Ronningen Research & Development for your plastic injection molding needs in New York City, we’ve compiled some frequently asked questions to help guide you through our services. These answers will help you understand the full scope of what we offer and the benefits of working with us on your next project.
What industries do you serve with your plastic injection molding services in New York City?
Can you assist with prototype development and low-volume production runs?
Yes, Ronningen specializes in both prototype manufacturing and low-volume production runs. Whether you need a few parts for testing or a small batch for a product launch, we can help with rapid prototyping and efficient low-volume manufacturing.
What are the benefits of using over-molding for my project?
Over-molding offers enhanced durability and functionality for molded parts. By combining different materials in a single molding process, over-molding improves the part’s performance and reduces the number of manufacturing steps, saving time and costs.
How do you ensure the quality of the molded parts you produce?
At Ronningen, quality is integral to everything we do. We follow strict quality control measures, including Six Sigma practices, automated inspection systems, and comprehensive testing protocols to ensure that every molded part meets the highest standards.
What types of materials do you work with for injection molding?
We work with a wide range of materials, including thermoplastics, thermosets, and elastomers. Our material selection process ensures that each part is made from the best material for its intended application, offering optimal performance and durability.