Auburn-based job shop established in 1982, offering CNC milling and turning with ISO 9001:2015 and ITAR certifications. Serves aerospace, defense, energy, and industrial markets with titanium machining capabilities.

Mountain Machine Works has served Auburn, Maine's manufacturing sector since 1982, building four decades of precision machining expertise. This job shop specializes in CNC milling and turning operations, with 4-axis milling capabilities that enable complex geometries and multi-sided machining in single setups. The facility maintains ISO 9001:2015 certification for quality management and operates under ITAR registration for defense-related projects. Mountain Machine Works is SAM/CAGE registered, positioning them for federal contracting opportunities. Their material capabilities include titanium machining, supporting demanding applications across aerospace, defense, energy, and industrial sectors where high strength-to-weight ratios and corrosion resistance are critical.

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