United CNC Machining
AS9100D-certified 5-axis CNC machining for aerospace, defense and space
About United CNC Machining
United CNC Machining is an Auburn Hills, Michigan precision manufacturer specializing in complex 3-, 4-, and 5-axis CNC milling, multi-axis turning, wire EDM, grinding, prototyping, custom tooling and limited-production components. The company machines titanium, aluminum, stainless steel, Inconel and other demanding alloys for aerospace, space, defense and naval applications. Its facilities include over 60 CNC work centers and a second plant for large-part 5-axis machining and routing. Additional advertised services include inspection and CMM scanning, honing, lapping, part marking, fabrication, and finishing.
Manufacturing & Service Locations
Auburn Hills, Michigan 48326
Plant 2 — Large-Part Machining · Manufacturing
Auburn Hills, Michigan 48326
Headquarters & Main Manufacturing Facility · Headquarters & Manufacturing
Products & Systems
Capabilities
Materials
Markets Served
Certifications
Certification information may be supplier-provided unless otherwise noted.
Additional Information
- Certified quality system
- AS9100D / ISO 9001:2015, certificate valid Aug 21, 2025–Aug 20, 2028 (1597 Atlantic Blvd location)
- Machining size
- 5-axis machining up to 200 inches; Plant 2 advertises large-part sizes including 130 x 200 inches and 128 x 196 inches.
- Additional precision processes
- Honing, lapping, jig/surface/ID/OD grinding, part marking and laser engraving.
- CMMC status
- Company states that it is CMMC 2.0 certified. Verify current certification level and scope with United CNC before relying on it for procurement.
- CNC turning capacity
- Up to 36-inch diameter x 100-inch length (company-published service capacity).
- Additional advertised services
- NADCAP testing, coating, plating, painting, welding, waterjet/laser cutting, fabrication and assembly are advertised. Confirm whether a given process is performed in-house or by an outside partner.
- ITAR
- Company advertises ITAR compliance; registration status and scope have not been independently verified.
- Typical production quantities
- Prototype through limited-production quantities (company describes runs from one piece to a few hundred).
- Engineering support
- Design for manufacturability (DFM), custom tooling, fixtures and inspection gauges.
About This Profile
This company profile is researched and maintained by Aerospace Grade using authoritative public sources.
Last Reviewed: October 21, 2026
Source · Compiled from public sources
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