About GMW


GMW began operations in 1982 in Redwood City, California. Hilton Glavish, Barry MacKinnon and Ian Walker, from the defunct New Zealand company ANAC, came to the US to support their existing North American customers. The company quickly moved from solely Lab Electromagnets into instrumentation, getting into the Magnetic Resonance Imaging (MRI) business with the founding of Metrolab Technology in the mid 80’s. Accelerator Physics and MRI drove growth throughout the 80’s and into the 90’s, with the Superconducting Supercollider (SSC) cancellation in 1993 allowing the company to further diversify into additional markets. GMW moved to our current location in San Carlos in 1991, and has expanded our Industrial Road facility three times since, now having 13,000 square feet and adding state-of-the art measuring equipment in magnetic field and electric current.

Current Transducers, originally developed for Accelerator Magnet Power Supplies, diversified into MRI Gradient Amplifiers, Power Electronics, and Hybrid-Electric Drive Test & Measurement.

Today, GMW are 20 people with co-founder Ian Walker now entering his 39th year at GMW and continuing to offer a very high level of support to our customers. Two of the current officers, Brian Richter and Lalo Guitron joined within months of one another in 1998. Our 3rd officer, Ben Hartzell joined in 2011. GMW is 100% employee owned with 7 shareholders all full-time at GMW. We are at heart a company that exists to solve customer problems, with our core expertise being in magnetics. This magnetics expertise drives our focus in sensors, transducers and test and measurement instrumentation.  Key industries remain Particle Accelerators and MRI, with Electric Vehicles, Power Electronics, Spintronics, Materials Research, Oil & Gas all contributing.

GMW is very proud to be a member of the Advanced Magnetics for Power & Energy Development (AMPED) Consortium.

Their mission is to develop an innovation ecosystem and educational programs for advancing soft magnetic materials and component technologies spanning fundamental science to end-use application in collaboration with various offices and programs.