Welcome to JCM
JCM is located in Ontario, California and operates out of a 140,000 square foot modern facility that houses over 70 CNC machines.
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Boeing C-17 Globemaster III
Boeing awarded JCM a four-year contract for the production and delivery of wing skins for the C-17 Globemaster III airlifter.
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ISO / AS9100 Certified
JCM meets all of the requirements of the ISO 9001 International Quality System Standard, the SAE AS9100 Aerospace Industry-Specific Standard.
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Machining the Future
JCM is a host to one of the largest 3 spindle double gantries in the country. This SNK 5 Axis is 240 feet long and is accompanied by a large electronic lift, which gives JCM the competitive edge to manufacture large complex parts at a high production rate.
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National Defense
Currently, JCM manufactures the midsection, tail cone, and wings for Raytheon’s Tactical Tomahawk Cruise Missile
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Quality Matters
For the last 30 years, JCM has received numerous awards for quality workmanship and on-time delivery.
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