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Gainline Capital Partners Portfolio Company M&M International Acquires KC Tech, Expanding Medical-Grade Tubing Capabilities

By [email protected]

Transaction is part of M&M’s multi-year organic growth and acquisition strategy STAMFORD, Conn., June 30, 2026 /PRNewswire/ — Gainline Capital Partners (“Gainline”) announced today that its portfolio company M&M International (“M&M”), a leading manufacturer of precision-engineered stainless-steel tubing primarily servicing the medical device market, has acquired KC Tech, a strategic partner and fellow manufacturer that … Continued

Updated ISO Certificate

By Chris Pleibel

We are proud to announce that we have successfully renewed our ISO certification. This underscores our ongoing committment to quality, consistency and customer satisfaction in the manufacturing of precision steel tubing. ISO certification is recognized worldwide as a standard of excellence in quality management systems. By achieving this updated certification, M&M Tubing demonstrates our dedication … Continued

M2 Rapid Prototype Program

By Chris Pleibel

M&M International is proud to announce our new M2 Rapid Prototype Program to help you develop new products faster and meet your customers deadlines. Everyone at M&M is excited about this program and would enjoy addressing any questions you might have! Please call today 908.412.8300. If you are developing a new product or conducting R/D, … Continued

Stainless Steel

By [email protected]

Stainless steel is known for its corrosion resistance in many environments, with different alloys having different levels of corrosion resistance. Also, stainless steels are available with a wide range of strengths. Understanding the reasons for the corrosion resistance is helpful for selecting alloys based on the required strength and environment to which the steel will be exposed. Source … Continued

Stainless Steel – Corrosion Resistance

By [email protected]

Stainless steels are iron-based alloys that contain a minimum of 10.5% chromium. The chromium results in the formation of a thin layer of chromium oxide on the surface of the steel. This thin layer of oxide protects the metal underneath from corrosive environments, giving stainless steels their corrosion resistance. If the oxide layer is damaged there … Continued

Why Is Stainless Steel Corrosion Resistant

By [email protected]

Stainless steel is an iron-based alloy containing a minimum level of 10.5% chromium. Stainless steel corrosion resistance makes it popular for use in the many environments where carbon and low alloy tool steels would corrode. Source of stainless steel corrosion resistance The corrosion resistance is a result of a very thin oxide layer on the steel’s surface. … Continued

Address Change

By [email protected]

New Location  95 Ethel RoadEdison, NJ 08817  Customers and Friends- This move reflects our commitment to providing improved services, enhanced convenience, a greater work environment and a better experience for our valued customers.   If you have any questions or concerns, please don’t hesitate to reach out to us:  908-412-8300 or [email protected].  Thank you for your continued … Continued

Gainline Acquires M&M International

By [email protected]

Jeff Robertson named CEO of M&M, a leading supplier of stainless-steel tubing  January 21, 2025  STAMFORD, Conn., January 21, 2025 /PRNewswire/ — Gainline Capital Partners (“Gainline”) announced today that it has acquired M&M International (“M&M”), a leading manufacturer of precision-engineered stainless-steel tubing, primarily for the  medical device end market. M&M is headquartered in South Plainfield, … Continued

  • The recent addition of our second inventory location in Costa Rica strengthens M&M’s global tubing supply chain by reducing risk, mitigating tariff exposure, and improving delivery times for our growing international customer base.

    2025 was an exciting year for M&M, and 2026 will bring even more capabilities, expanded capacity, and exciting announcements.

    Chris Pleibel, CCO M&M

  • Matt has been fantastic! Very responsive and accommodating. Also: great attention to detail. Of course, I know he has a lot of people dedicated to supporting him, so the effort and compliments are certainly to the entire team.

    Rich From Massachusetts

  • M&M has been a great company to work with. Their customer service is top notch. They offer a variety of solutions for problems you come to them with. Happy to be a partner of theirs!

    Matthew Brenno, Marshall Manufacturing

  • The quality and consistency of M&M material is commendable, and their pricing on higher production volumes cannot be beaten! Additionally, every contact I have interacted with has been knowledgeable, efficient and an overall pleasure to work with.

    Stephen from CT

  • M&M Tubing are very responsive, cooperative, and great partners to our manufacturing in Connecticut. I have come to rely on them as trusted partners to our business.

    Jeff from CT

  • We’ve been a loyal customer of this tubing company since 1999, and their products have consistently delivered exceptional quality and durability through every project. From seamless performance to reliable support, they’ve never let us down over the decades. Highly recommend them for anyone needing top-tier tubing solutions!

    Cole G from Ohio

  • We’ve relied on M&M for years for large-scale stainless steel tubing supply. Their reliability, quality, and attention to detail are unmatched, making them an essential partner for our business.

    Daniel from California

  • We trust M&M for all our stainless-steel tubing needs. No matter how large or small the order is, they deliver on time and maintain excellent quality. Their professionalism and consistency make them an invaluable part of our supply chain.

    Jason from California

  • We have worked with this amazing team since 2009. Not only does this team have a quick turnaround on quote request, but they have some of the best pricing and lead times we have seen. They have earned our continued business. Looking forward to the years to come.

    Shannen H., Michigan

  • How comforting it is to be supported by a quality outfit like M&M. M&M culture is customer-centric which is something that a lot of companies struggle with in their quest to trim costs.

    Rich From Massachusetts

  • Beginning with Matt, you have all been a breath of fresh air working with us regarding our predicament. I personally have enjoyed our wonderful business partnership for well over 30 years (beginning with Grace!), and you have really become a critical asset for our success. What a great team you have!

    Rich From Massachusetts

  • For years, M&M has supported my company, providing resources, high value material and top-notch quality.

    Chris from Indiana