Medical Device Contract Manufacturing

Tight process control, deep materials expertise, and regulatory-ready quality systems support critical applications in the medical, surgical, and pharmaceutical fields, from prototype to scale.

Trusted by the World’s Top OEMs

Why Top Medical OEMs Choose Greene Group Industries

Medical devices require exceptional quality, tight tolerances, and dependable supply. GGI is a trusted medical device contract manufacturing partner for leading OEMs because we know what’s at stake and we know how to deliver.

Superior Precision & Consistency 

We manufacture complex geometries with the accuracy required to meet strict industry standards, ensuring reliable performance in critical applications.

Cost-Effective High-Volume Production 

Our MIM/CIM processes, integrated secondary processes, and automated assembly services control part costs and help you scale production without compromising quality.

Material Versatility 

We support a wide spectrum of medical-grade alloys, from corrosion-resistant stainless steels to custom formulations.

From Concept to Production — Fast 

Our integrated network of engineering and manufacturing facilities helps you move quickly from prototype to full production, reducing development risk and accelerating time-to-market.

Designed for Critical Medical Applications 

Whether you’re designing instruments, implants, or diagnostic devices, our advanced molding, cutting, and stamping capabilities support a wide range of products for the most demanding specifications:

  • Minimally invasive surgical equipment
  • Test equipment parts
  • Surgical stapling components
  • Orthopedic fixation components
  • Drug-delivery device components
  • Diagnostic and test equipment components
  • And more

The Power of Vertical Integration

Mitigate risk and reduce unknowns by working with a single partner, from prototype to production. Our full-scale capabilities and expert guidance facilitate tighter control over production, timelines, and budget.

Metal & Ceramic Injection Molding (MIM/CIM)

The ease of injection molding meets the strength and functionality of machined metals, for virtually any design, regardless of complexity.

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Metal 3D Printing: PureForm

Complex, precision metal parts are produced via PureForm™, Greene Group Industries’ dedicated production-ready metal printing technology.

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Precision CNC Machining

60+ CNC mills, lathes, wire EDM machines, multi-axis mills, and turn centers support extremely complex designs with unmatched quality, from prototype to production.

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Metal Stamping

State-of-the-art die-making capabilities that maintain precise stampings of 100+ major and minor dimensions.

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Plastic Overmolding

Ultra-precise mechanical and polymer integration that preserves dimensional stability and adhesion.

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Automated Assembly

In-house automated assembly minimizes the risk of failure between parts and performance.

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Mold Design & Manufacture

Expert-led holistic approach to mold design with production in mind.

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Frequently Asked Questions

We understand that OEMs in the medical field face unique regulatory and performance challenges, and we have the processes and capabilities in place to meet them.

What quality controls are in place at Greene Group Industries?

We maintain a rigorous, self-imposed “total quality system” to ensure efficiency, facility cleanliness, and product performance. In addition, we are AS9100-compliant and certified to ISO 9001:2015 and ISO 13485 for medical device contract manufacturing. Our process emphasizes full traceability, process validation, and audit readiness.

Where does production take place?

Our manufacturing happens at U.S.-based facilities. For more information, see our Facilities page.

Can GGI support both early-stage development and long-term production scaling?

Yes. We routinely support OEMs from prototyping and pilot builds through validated, high-volume production. Our manufacturing and capacity planning approach is designed to accommodate design evolution early on while ensuring stable, repeatable output as programs scale.

What value-added services does GGI offer?

Our integrated approach means we also deliver state-of-the-art finishing processes, such as zinc phosphate, electroless nickel, and gold plating. We also provide heat treatment, welding, plastic overmolding, and automated production and assembly services. These end-to-end capabilities reduce risk for our clients by ensuring the same high level of quality and consistency at every stage.

What Our Customers Say

“GGI has been a 5-star partner for us. After working with GGI through several projects over 6 years, I have found them to be incredibly responsive, and they have provided us with unparalleled quality on some of the most challenging MIM components. GGI has consistently developed novel ways to design their tooling to meet our demanding specifications on the latest surgical technology.”

Sr. Manufacturing Engineer,

Large Medical Device OEM

“GGI has remained a top-tier supplier long term. The highest levels of responsiveness and professionalism set them apart in support of rapidly changing requirements and extremely dynamic end customer requirements. Much of our success ties directly into these very high levels of support. Continuing thanks to GGI for all the support over all these years.”

Purchasing Manager,

Leading Equipment and Systems Manufacturer

“I wanted also to share that if I am ever asked to rank all of the vendors I have worked with according to responsiveness, achieving goals, communication, skill, and overall medical product knowledge, GGI wins, hands down. It is a pleasure seeing the project turn into a trusted process. Thanks to you both and your team!!!!”

Design Assurance Engineer,

Large Medical Device OEM

“Over the past several years GGI has worked with my project team to develop components for multiple innovative new devices. The complex nature of our designs makes these projects challenging and require a lot of personal attention, crisp communication, and creative problem-solving to meet our project targets of timing, cost, and superior quality. GGI has demonstrated their willingness and ability to deliver in these areas, making them a valued partner for our business.”

Director of Advanced Instruments

Large Medical Device OEM

“GGI’s project management support is the best of any MIM house we have worked with. We are confident when placing a new tooling PO with GGI that we are going to close the project on time. When we get into production, GGI partners with us to continually improve the process and cost over time. We ask GGI to help us compete and they are always there looking for new ways help us to advance.”

Sr. Buyer

Large Medical Device OEM

“GGI rapidly develops complex machined components and assemblies with the highest possible quality. They take on our most challenging parts right from the prototyping stages, support all development efforts and carry them through to production seamlessly. They support our development efforts as if they are part of the internal team and their level of communication is superb.

GGI has been essential to product success and bringing the highest possible quality devices to the customer. They take on real challenges and work to solve them, not only with highly precise machined parts but with a range of processes and capabilities.”

Sr. Design Engineer,

Large Medical Device OEM

Ready to Start Your Next Project?

See how our full-service contract manufacturing capabilities can elevate your precision component production and performance.