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Major Tool & Machine

Major Tool & Machine (MTM) was founded in 1946, starting with only four employees to support the commercialization of the jet engine following World War II.

Today, MTM is a contract manufacturer in Indianapolis, Indiana with a 600,000 sqft. manufacturing facility, 400+ skilled employees, best-in-industry business and quality systems, and project management expertise.
 
We provide large complex CNC milling and turning machining, manual and robotic welding, engineering, program management, inspection, and assembly services to our partners in the Power Generation, Aerospace, Defense, Nuclear, and Commercial Industries.