

www.gmmco.com
GMMCO is a Chicago-based manufacturer specializing in precision CNC machining, including multi-axis milling and turning for complex components. The company serves diverse industries such as oil and gas, transportation, and laboratory equipment, providing services from prototyping to high-volume production. They maintain comprehensive quality management systems and offer secondary processes including heat treating, plating, and specialized protective packaging. Committed to domestic manufacturing, GMMCO ensures all materials are DFARS-compliant and provides full traceability through inspection reports and certificates of conformance. The firm is equipped to handle tight-tolerance requirements with a focus on delivering high-quality, defect-free parts.







