Ultra Thin, High Performance
Vacuum Insulation.

A Custom Approach to Custom Manufacturing

At Concept Group, we believe that custom manufacturing requires a customized approach, which is why we treat our client relationships with the same attention to detail that goes into every one of our parts. From designing and engineering individual prototypes to producing millions of parts in high-volume manufacturing, we specialize in helping our clients meet their most challenging goals. Our decades of experience in glass-to-metal seals combined with our cutting-edge Insulon® Technology provides a unique synthesis of a proven track record with forward-thinking innovation and invention.

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With support from start to finish.

01. Design

From preliminary sketches to CAD drawings, we help you refine your design down to every last detail.

02. Rapid

Once we have your final design drawing in hand, our engineers build your rapid prototype in a matter of weeks.

03. Large-Scale

We manufacture millions of parts per year using state-of-the-art robotics & automated techniques.

04. Quality

Rigorous quality control standards ensure that the parts we deliver are exactly what you ordered.

Our proprietary Insulon Technology allows us to create ultra high performance thermal barriers to fit your most demanding insulation needs. With unbelievably low wall thickness and durable, rugged construction, Insulon Thermal Barriers provide solutions where traditional insulation methods fail.


Concept Group has specialized in the design and manufacture of compression glass-to-metal seals since the 1970s. We take the job from start to finish, including design support, machining, and joining. Manufactured with stainless steel, our seals are hermetic, weld-ready, and tested to the highest quality standards.



Years in Business





10s of Millions

Parts Produced