Contact Ronningen for Bangor, ME Injection Molding Services
Ronningen is a leader in plastic injection molding and manufacturing services, proudly serving Bangor, Maine. With over 50 years of experience, we specialize in delivering precision-molded parts for industries like medical devices, aerospace, automotive, and electronics. Our state-of-the-art facility is equipped with advanced molding machines, allowing us to handle everything from prototypes to high-volume production. We offer flexible and cost-effective solutions, ensuring your parts meet the highest industry standards.
We are known for more than just molding; Ronningen provides a full range of services, including over molding, insert molding, and secondary operations like electroplating, machining, and pad printing. Our in-house capabilities reduce costs and improve production efficiency, helping your products get to market faster.
Complete Manufacturing Services for Bangor Industries
Ronningen offers a comprehensive suite of manufacturing services designed to support businesses in Bangor, ME. Our plastic injection molding services cover every aspect of production, from mold design to final part delivery. Whether you’re working on a prototype or scaling up production, we ensure your parts are produced with precision, durability, and efficiency.
In addition to molding, we provide essential secondary services, including machining, leak testing, custom cutting, painting, and packaging. By offering these services in-house, we reduce lead times, eliminate the need for multiple vendors, and keep your project moving forward smoothly. Our team works closely with you to ensure the final product meets your exact requirements.
Precision Manufacturing with Advanced Technology in Bangor
At Ronningen, we use the latest plastic injection molding technology to create high-precision parts for various applications. Our machines, ranging from 25 tons to 1100 tons, handle projects of all sizes, from small prototypes to large-scale production runs. We offer advanced services like ultrasonic welding, over molding, and structural foam molding to provide reliable, high-performance parts.
Our in-house capabilities, including machining, milling, and electroplating, ensure that your parts are manufactured to the highest standards. Whether you’re designing a new product or enhancing an existing one, our team in Bangor ensures that your parts are accurate, durable, and ready for use in the field.
Why Bangor, Maine Manufacturers Trust Ronningen
Ronningen is the trusted choice for Bangor, ME manufacturers due to our comprehensive approach to plastic injection molding and product development. We offer a full range of services including precision molding, over molding, insert molding, and more. Our team of experts is dedicated to delivering high-quality parts, ensuring that your project stays on track and within budget.
Our in-house secondary services like pad printing, painting, packaging, and leak testing provide additional value, saving you time and reducing complexity. With over 50 years of experience, Ronningen has built a strong reputation for reliability, precision, and efficiency. We understand the demands of Bangor’s industries, and we’re here to help bring your ideas to life.
Serving Bangor, Maine with Fast, Reliable Plastic Manufacturing Solutions
Ronningen’s Bangor facility is equipped to meet the needs of manufacturers who require fast, reliable, and cost-effective plastic injection molding solutions. We understand the importance of timely delivery and precision, especially when working with complex parts or tight deadlines. Our streamlined production process ensures your parts are produced quickly without compromising quality.
In addition to molding, we offer services like machining, part marking, custom packaging, and shipping, ensuring that all aspects of production are handled efficiently. With our local facility in Bangor, we can offer more responsive service and faster turnaround times than many competitors.
Ronningen R&D: Precision Plastic Injection Molding in Bangor, ME




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.
FAQs About Plastic Injection Molding Services in Bangor, ME
As a leading provider of plastic injection molding and related manufacturing services in Bangor, Ronningen frequently receives questions about our processes, capabilities, and services. Whether you’re new to injection molding or are looking for a reliable manufacturing partner for a complex project, we’re here to help. Below are answers to some of the most common questions we receive from businesses in Bangor.
Q1: What types of plastic injection molding services do you offer in Bangor?
Ronningen offers a wide range of plastic injection molding services, including over molding, insert molding, structural foam molding, and precision injection molding. We also provide secondary operations like electroplating, pad printing, machining, and custom packaging to meet the unique requirements of your project. Our comprehensive approach streamlines your production process, saving time and reducing costs.
Q2: How does Ronningen ensure consistent quality in production?
We follow ISO 9001:2015 standards to maintain high-quality manufacturing processes. Our team uses advanced quality control systems, including vision inspection systems, CMMs, and leak testers, to ensure every part meets the highest standards of precision. Every product is thoroughly inspected at each stage of production to ensure consistency and accuracy.
Q3: Can Ronningen handle both prototypes and large-scale production runs?
Yes, Ronningen can handle both small-batch prototypes and large-scale production runs. Our flexible approach allows us to deliver fast-turnaround prototypes, helping you validate your designs before scaling up to full production. Whether you need hundreds or millions of parts, our equipment is capable of meeting your production needs with efficiency and precision.
Q4: What industries do you serve in Bangor, Maine?
Ronningen serves a variety of industries in Bangor, including medical devices, automotive, consumer electronics, aerospace, and telecommunications. Our diverse capabilities in plastic injection molding and secondary operations allow us to meet the specific needs of these sectors, from functional parts to complex, high-performance components.
Q5: What materials can Ronningen work with for injection molding?
We work with a wide variety of materials, including commodity plastics like polypropylene and ABS, as well as engineering thermoplastics for high-performance applications. Our team can help you choose the right material based on your part’s functionality, performance requirements, and budget. We also offer custom coloration and blending services to match your exact specifications.