Raising the Bar in Precision Manufacturing

Combining engineering expertise, deep metal injection molding capabilities, and vertically integrated manufacturing, we solve complex challenges that others can’t across the medical, defense, and industrial markets.

#

Medical MIM Manufacturer

in North America

+

Years
in Business

+

Year Average Customer

Partnership

M+

Annual Parts Production Capacity

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Supporting Innovation Across Critical Markets

Our integrated, U.S.-based facilities give OEMs a single source partner for complex manufacturing across regulated and performance-driven industries.

  • Medical Device
  • Defense & Aerospace
  • Commercial & Industrial
  • Electronics & Communications

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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Partnership Designed to Grow with You

Our connected teams make scaling simple. We help OEMs move seamlessly from concept validation to full-scale production.

1
Design for Manufacture
We work alongside your engineers to refine part designs, eliminate risk, and prepare for production.
2
Quick-turn Prototyping
Prototypes are produced quickly and accurately, allowing you to test real parts and move forward with confidence.
3
Feedstock & Alloy Development
Our in-house team develops specialized metal and ceramic materials that meet your exact performance and regulatory requirements.
4
Process Validation
Every manufacturing process is verified and documented to ensure repeatable quality and compliance at full production scale.
5
Project Management
Dedicated project managers maintain open communication and proactive oversight to keep progress on track.
6
Program Management
Large-scale programs receive continuous coordination between engineering and production, so every detail aligns with your timeline and goals.

Why Leading OEMs Choose Greene Group

On-time Delivery

Our disciplined program management and in-house control keep timelines predictable and deliveries on-time.

Uncompromising Quality

Award-winning manufacturing processes and rigorous validation deliver consistent performance across every part and run.

Competitive Value

Vertical integration reduces lead time and cost for dependable efficiency without sacrificing excellence.

Trusted by the World’s Top OEMs

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

U.S. Manufacturing with Global Reach

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Oceanside, California

Manufacturing and corporate headquarters.

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Port Huron, Michigan

Manufacturing and the core of our Metal Injection Molding capabilities.

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Newark, California

East Bay home to our metal 3D printing development center and sales office.

Featured Resource

Find the Right MIM Material for Your Application

Download the full list of available metal injection molding materials and specifications.

Ready to Start Your Next Project?

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