MRPC
MRPC, founded in 1921, is a family-owned, single-source provider of medical devices, instruments, an
MRPC is a world class ISO 13485 certified full contract manufacturer of medical devices, instruments, and disposables. With full range product lifecycle capabilities including design assistance, development, and manufacturing, MRPC is a turn-key manufacturing partner to some of the world’s largest medical device companies, as well as cutting edge start-ups. Our core competencies include:
Design For Manufacturability: The Design for Manufacturability process is a key engineering practice employed by MRPC to ensure ease of manufacturing, improve quality, reduce costs and reduce time-to-market. Silicone Molding, Plastic Molding & Extrusions: MRPC utilizes a systematic approach to projects involving clean room silicone and plastic injection molding. We start by assisting customers in design for moldability through SOLIDWORKS® Plastics and other software’s. Multi-Material Molding: MRPC has developed unique processes for multi-material molding of dissimilar materials onto each other, and gaining the properties of both materials. Our multi-material molding processes ensure product integrity, reliability and safety, while improving the form, fit and function of your final product. Finished Medical Device Assembly: At MRPC, we believe in being a total solutions partner. This includes providing device assembly, packaging, and sterilization management of finished medical devices. Global Supply Chain Development & Management: As your full-service medical device contract manufacturer, your projects will benefit from MRPC’s streamlined efficiencies. That's why we offer full global supply chain development and management. Learn more about us by visiting our website: https://www.mrpcorp.com
10/01/2026
We’re pleased to welcome John Petreanu as President of MRPC, PDC and Injectech.
John brings more than 20 years of leadership experience across medical device, life sciences and advanced manufacturing organizations, with a strong background in multi-site operations, growth and integration.
As we continue bringing our teams, capabilities and resources together, John will help lead the next phase of our growth by strengthening how we operate, expanding our capabilities and helping us better support customers with complex manufacturing needs.
We’re excited to have John on the team and look forward to what we will build together.
Read the full announcement: https://www.mrpcorp.com/john-petreanu-named-president-of-mrpc-pdc-and-injectech/
09/29/2026
Last week, our Activities Committee brought some sports-themed fun with a cookout at our headquarters. Employees across all three shifts joined in, showing off their favorite team's colors while enjoying some time together.
From the grill-out to the team spirit, it was a great way to add a little fun to the workday!
A big thank-you to our Activities Committee for putting together events that bring the MRPC team together. We’re already looking forward to the next one! 🎉
09/24/2026
One booth. United brands. A broader set of manufacturing capabilities.
For the first time, MRPC, Plastic Design Company (including Resenex) and Injectech will be exhibiting together at MD&M Midwest, October 28–29 at the Minneapolis Convention Center.
Bringing these brands together gives medical device and life science teams a chance to explore a broader range of solutions in one place, from precision and micro molding to silicone and thermoplastic molding, multi-material components, cleanroom assembly, and catalog and custom fluid management components.
Visit us at Booth 2315 to meet the combined team and learn how these capabilities can help simplify your supply base, solve more complex manufacturing challenges, and support your programs from development through production.
MD&M Trade Shows
http://admmn26.mapyourshow.com/8_0/exhibitor/exhibitor-details.cfm?exhid=1460
09/22/2026
A new chapter is beginning for MRPC.
MRPC, Plastic Design Company and Injectech are moving forward as one company, bringing together more than a century of manufacturing heritage and a broader set of specialized capabilities.
For MRPC customers, our expertise in silicone, rubber and thermoplastic molding, advanced multi-material molding and cleanroom assembly remains at the center of what we do. Now, it is complemented by precision micro molding and catalog and custom fluid-management components, giving our teams more resources, more capacity and a wider set of problems they can solve.
This is an important first step in building a manufacturing company around what medical device and life science OEMs need next.
See where we are headed together: https://www.mrpcorp.com/one-company/
09/17/2026
NEW Videobite with Brunson Parish, Director of Technology Development
Could earlier manufacturing involvement help you build a better medical device?
Working with your supplier’s technical team can uncover opportunities around materials, tooling, manufacturability, and component design before those decisions become difficult or costly to change.
In this episode of Medical Product Outsourcing Videobites, Brunson discusses how expertise in thermoplastics, silicone, and multi-material molding can help medical device teams evaluate options, improve performance, reduce costs, and move toward production faster.
Watch the Videobite to see how the right manufacturing expertise can make a difference early in development.
Expanding What's Possible Through Molding and Material Expertise—An MPO Videobites Early manufacturing collaboration can uncover smarter material, tooling, and component solutions.
09/14/2026
We are hiring! Check out our website for current opportunities, including:
Human Resources Manager - WI Facility
Manufacturing Engineering Manager - WI Facility
Process Engineering Manager - WI Facility
Check out our website to see all open positions, or share with someone that may be interested: https://www.mrpcorp.com/careers/open-positions/
09/10/2026
"Our people are what make MRPC unique. They thrive on solving complex manufacturing challenges and developing innovative solutions for customers—especially on programs that demand a high level of engineering expertise." - Greg Riemer, President and CEO of MRPC
As MRPC celebrates 105 years of manufacturing excellence, we're reflecting on what has fueled our continued evolution: exceptional people, engineering expertise, and a commitment to helping customers solve increasingly complex medical device manufacturing challenges.
Learn more about MRPC's continued investment in engineering, automation, and customer success: https://www.mrpcorp.com/from-100-to-105-five-years-of-growth-innovation-and-scaling-for-the-future/
"We start our projects on the basis that we're going to make it flexible for the entire room. The flexibility we have with our robots is the most important part of MRPC automation." — Ryan McCormick, Manufacturing Engineer - Automation
MRPC uses flexible automation to support the production of complex medical components, including silicone and plastic molded parts, extrusions, and multi-material molded components.
For medical device manufacturers, automation isn't just about increasing production. It's about building flexible systems that improve quality, reduce risk, and support long-term scalability. In MRPC's latest video, Ryan shares how an engineering-driven approach to automation helps create solutions designed to adapt as programs evolve.
▶️ Watch the video to learn more about MRPC's approach to flexible automation: https://www.youtube.com/watch?v=x2dECI8PZus
08/27/2026
MRPC's multi-material molding capabilities bring dissimilar materials together through specialized molding and bonding processes, helping manufacturers achieve the performance and functionality their designs require.
MRPC can combine:
➡️ LSR or HCR with metal or plastic
➡️ Custom rubber with metal or plastic
➡️ TPEs with metal or rigid plastic
➡️ Rigid plastics with other substrates
From material selection to bonding approach, MRPC brings engineering expertise to help develop reliable, scalable multi-material molding solutions.
Learn more: https://www.mrpcorp.com/core-competencies/multi-material-molding/
08/20/2026
For the past 105 years, MRPC has evolved to meet the changing needs of the medical device industry. Today, that means investing in Design for Manufacturability (DFM), advanced automation, cleanroom expansion, and engineering expertise that help customers reduce risk, improve manufacturability, and confidently scale production.
These investments are part of MRPC's long-term commitment to helping customers navigate increasingly complex manufacturing challenges while building scalable production platforms for the future.
Learn how MRPC has continued to invest in innovation over the past five years while building on more than a century of manufacturing excellence: https://www.mrpcorp.com/from-100-to-105-five-years-of-growth-innovation-and-scaling-for-the-future/
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13161 W. Glendale Avenue
Butler, WI
53007
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| Monday | 8am - 5pm |
| Tuesday | 8am - 5pm |
| Wednesday | 8am - 5pm |
| Thursday | 8am - 5pm |
| Friday | 8am - 5pm |
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