Tri-M Systems was founded by Doug Stead in 1983 as a distributor of embedded electronic modules. Subsequently Tri-M Engineering was established by Doug Stead, Ed Foster and Howard Ho to design and manufacture proprietary high technology products.  In 2010 Tri-M Engineering and Tri-M Systems merged to become what is now Tri-M Technologies. In 2013, Ed Foster, P. Eng., was appointed president of Tri-M Technologies and continues the initiative to develop and build world leading power and backup energy solutions.

Tri-M specializes in providing customers with rugged power solutions for hostile environments.  In addition Tri-M also designs and manufactures other types of rugged embedded systems hardware including CPU boards, I/O and communication modules, and enclosures.  Tri-M products are prominent in many industries; including mobile and intelligent highway, industrial controls and robotics, military and aerospace equipment, medical devices, and advanced security products.  Tri-M products span the land, sea and heavens.

As head of research and development, president Ed Foster explains "Customers trust us to build products for extreme conditions that will work year after year without service requirements.  We are very passionate about living up to their trust"

In addition to internally designed proprietary products Tri-M is also a distributor for several companies that offer complementary products that are often powered by Tri-M power supplies.  Currently Tri-M distributes for Aaeon, Diamond Systems, MPL, IEI, and Innodisk