Industrial Contract Manufacturing for Automotive & Heavy Equipment

High quality, consistent stamping, metal and ceramic injection molding (MIM & CIM), and prototype production, even on highly intricate designs.

Trusted by the World’s Top OEMs

Why Leading Industrial OEMs Choose Greene Group Industries

As a top industrial contract manufacturing partner delivering precision components for automotive, heavy equipment, HVAC equipment, automated production systems, and more, we help drive innovation for the world’s most innovative equipment makers.

Vertically Integrated Processes

Working with a single partner for mold production, prototyping, full-scale manufacturing, secondary processes, and automated assembly reduces the risk of costly downstream failures.

Rapid Prototype Production

Leverage our PureForm™ additive 3D metal printing technology to generate precise prototypes and iterate quickly to refine specifications.

Total Quality System

Our commitment to quality is evident through our ISO 9001 and ISO 13485 certifications. GGI is also compliant with AS9100.

Onshore Facilities

Our U.S.-based facilities feature modern equipment operated by experienced toolmakers. This onshore production process enables us to closely monitor manufacturing.

No-Fail Parts Designed for Commercial & Industrial Uses

Comprehensive, integrated services including MIM & CIM, additive 3D metal printing, CNC & wire EDM manufacturing and production, plastic injection overmolding, induction brazing, and more, serving the needs of industrial and automotive OEMs worldwide.

  • Load-bearing brackets, frames, and supports
  • Housings, channels, and fittings for fluid and thermal management
  • Electromechanical components (pins, bushings, shafts, guides, and interfaces, etc.)
  • Complex net-shape components
  • Custom OEM components

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 have decades of experience partnering with industrial and automotive OEMs who can’t risk compromising on value, on-time delivery, and exacting specifications. Here are some frequently asked questions from customers who come to us for industrial contract manufacturing.

How does GGI manage quality and part-to-part consistency over time?

Quality is built into our process through controlled workflows, documented procedures, and continuous monitoring. This approach minimizes variation and protects downstream assembly and performance. We maintain ISO 9001 and ISO 13485 certifications. GGI is AS9100 compliant.

Can GGI support development programs and long-term production?

Yes. We partner with customers from early design and prototyping through sustained, high-volume production. Our materials expertise, sophisticated technology, seasoned toolmakers, and attentive customer service enable us to deliver support and services from concept to production.

Can GGI maintain tight tolerances at production scale?

Yes. Our processes are designed for repeatability, with validated tooling, in-process inspection, and statistical controls to ensure consistent output across long production runs.

How does GGI add value to industrial contract manufacturing?

Our vertically integrated processes enable us to perform secondary processes and automated assembly that help our customers achieve cost savings at scale. In addition, our ability to create rapid prototypes and scale seamlessly into production saves time and budget for our customers.

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.