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GMT
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GMT was founded by Raymond Dubinsky in 1966.  Ray began his career as a tool & die maker in 1946 in the Washington D.C. area.  He was a veteran of World War II with the U.S. Navy Sea Bees.  Ray’s drive for perfection brought GMT to the top of the machining industry

5 Resource Ave, Mtn. Lake Park, MD 21550
301.334.2550 fax 301.334.2555

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© [2026] · Greater Maryland Tool.

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