Precise, durable materials are key when working on a complex project. A 3M Preferred Converter is a supplier that has met 3M’s highest standards for quality, expertise and customer service. They often receive exclusive training, technical resources and direct support from 3M, creating better solutions and faster customer turnaround times.

When you work with a 3M Preferred Converter, you gain access to customized converting capabilities. It brings additional assurance to your materials, ensuring expert assembly and maximum performance. Whether you need custom die-cutting or adhesive solutions, the following converters can meet your needs.

Where Can You Find a 3M Preferred Converter?

With the number of converting partners available, you can easily find a 3M Preferred Converter. However, to narrow your search, here is a list of the top companies to meet your project needs.

1. Advantage Converting

As a top-tier 3M Preferred Converter, Advantage Converting maintains strong relationships with its clients and delivers high-quality custom solutions across industries. The company specializes in die-cutting, laminating, slitting and clean room manufacturing, so it is a trustworthy option for demanding projects.

Whether a project is simple or highly complex, Advantage Converting can handle it quickly and accurately. It is well-equipped to meet industry standards and maintain regulatory and quality compliance. Moreover, its end-to-end capabilities can provide technical guidance and manufacturing support. You get access to the highest quality materials at the best prices, ensuring you meet project deadlines while staying on budget.

Key features:

• ISO 13485-certified for medical device manufacturing
• Clean room production environments for sensitive applications
• Custom converting services, including rotary and flatbed die-cutting
• Expertise in working with pressure-sensitive adhesives, foams and films
• In-house design support and rapid prototyping
• Scalable solutions for low- and high-volume production

2. Strouse

Strouse offers engineering excellence and customer-focused solutions. For nearly four decades, the company has provided custom adhesives that power everything from wearables to automotive systems. 

The organization stands out for its ability to collaborate early in the design process, helping clients turn rough concepts into efficient, manufacturable projects. Its design-for-manufacturing approach optimizes materials from the start, reduces waste, shortens timelines and improves product performance.

Key features:

• Maintains strict quality standards through audits and market evaluations
• Offers dependable manufacturing results with uniform quality, service and delivery
• Equipped with advanced tools and trained staff to handle various adhesive projects
• Backed by a proven track record of success and a longtime collaboration with 3M
• Provides fast, thoughtful responses and solves complex challenges with care

3. Marian

Marian is a longtime converter partner of 3M, offering deep expertise in converting its materials into custom solutions. It has vast converting capabilities that apply to numerous industries and consistently maintains high-quality components.

Marian also has multiple manufacturing facilities strategically located to serve customers. Each facility comes with advanced converting technologies and 3M-trained engineers, ensuring clients receive high-quality solutions. Additionally, the company is ISO 14001-certified to maintain sustainability throughout its procedures.

Key features:

• Sales engineers who closely coordinate with 3M’s technical teams to select the most suitable materials
• Benefits from preferred pricing on 3M materials, offering cost savings
• Extensive inventories at each location to quickly produce prototypes and fulfill orders
• Engineers specially trained at 3M’s headquarters to follow best practices for material selection and application
• Quality and safety standards to maintain a positive work environment for its employees

4. Thomco

Thomco has delivered custom adhesive and labeling solutions for various markets for over 30 years. The company serves clients across North America, focusing on responsiveness, flexibility and technical excellence. From material selection to final conversion, Thomco works closely with its customers to engineer practical, performance-driven solutions.

Its hands-on customer service and advanced converting capabilities make it a top option. It provides in-house prototyping, custom die-cutting and digital printing services, enabling quick turnaround times and tighter quality control. 

Key features:

• Offers printing, die-cutting, kitting and custom assembly in a single facility
• Focuses on labeling, barcoding and identification solutions for industrial and medical use
• Works closely with clients to meet exact specifications
• Small enough to be agile, yet equipped with advanced tools for complex projects
• Access to premium 3M products and insight from 3M’s technical expertise

5. Saunders

Saunders maintains a commitment to customer satisfaction. The company delivers various services, including die-cutting, laminating, slitting and prototyping. It serves diverse sectors, like industrial manufacturing, electronics and aerospace. As part of the R.S. Hughes Company, Saunders benefits from shared resources and distribution networks that enhance its ability to meet various supply chain needs.

In a recent strategic move to boost efficiency and expand production, Saunders announced it will relocate its Chicagoland manufacturing facility to a larger, more advanced plant in Cypress, Texas, in June 2025. This expansion will enable it to scale operations while maintaining the high standards expected from a 3M Preferred Converter.

Key features:

• Approaches every project with a tailored mindset, ensuring solutions are custom-fit to each client’s needs
• Maintains a large inventory of materials through its conjunction with R.S. Hughes Company
• Actively incorporates client feedback into its process
• Completes all work in-house through a team dedicated to quality control, speed and innovation
• Seeks to improve efficiency as evidenced by its upcoming move to scale its services

6. Precision Converting

Precision Converting is a division of Hisco that specializes in high-performance materials for medical devices, consumer electronics, automotive and industrial manufacturing. The company excels at die-cutting, laminating and bonding components by meeting tight tolerances and critical specifications.

One of its greatest strengths is its engineering-first approach. As part of Hisco, the company offers vertically integrated services from material sourcing to rapid prototyping, making it a top choice for clients navigating regulatory requirements or rapid product development cycles.

Key features:

• Collaborates with clients on design and manufacturability to optimize material performance
• Offers in-house design, tooling, testing and production to accelerate timelines
• Capable of producing multi-layered components and tight-tolerance parts
• Backed by global resources and technical support for large-scale projects
• Frequently works in regulated industries with a clean room and ISO-certified production

7. American Flexible Products

American Flexible Products specializes in foam, rubber and plastics for multiple industries, from electronics and agriculture to medical and HVAC. As a top 3M Preferred Converter, the company maintains technical flexibility with customer-focused service, producing high-performance die-cut and fabricated parts for demanding applications.

Rather than offering one-size-fits-all solutions, American Flexible Products takes a consultative approach. Its team guides clients through material selection, prototyping and production, focusing on durability, consistency and cost-effectiveness. 

Key features:

• Offers deep expertise in non-metallic materials
• Known for high-tolerance, application-specific gaskets for electrical, medical and industrial devices
• Provides fast turnaround on samples to streamline design and testing cycles
• Keeps all converting and production work domestic for better control
• Trains staff in 3M material properties and application engineering to match the right adhesive to each job

Finding the Right 3M Preferred Converter

These companies have demonstrated in-depth knowledge of 3M’s products and are trusted to help clients get the best performance from them. The best 3M Preferred Converter should take your projects to the next level. Each company comes with the tools, expertise and backing of 3M to deliver high-quality solutions. Use your project’s unique requirements to find your next 3M-trusted partner to reduce lead times and streamline production.