Profile: Master Tool & Machine, Inc. is involved in the production of parts and assemblies. Our services include CNC & conventional turning & milling, surface grinding, drilling, tapping, threading, assembly and welding. We offer aircraft ground support tooling & fixtures and helicopter service tools for engine & airframes. We specialize in the repair, reproduction and refurbishing of tools & parts. We also perform TIG welding of aluminum and steel alloy materials. We work with many materials such as carbon, stainless steel, aluminum, copper, brass, high temperature alloys, tool steels and specialty alloys.