CNC Machining Companies and Precision Machining Services in the United States

From aerospace components and automotive parts to custom tooling and medical devices, CNC machining plays a vital role in today’s manufacturing economy. At RFQ USA, we help procurement professionals, engineers, and project managers connect with CNC machining companies that are proven, certified, and based in the United States. Our platform allows you to quickly locate the right machine shop based on capabilities, tolerances, certifications, and more, making it easier than ever to get reliable quotes for critical projects.

All companies listed on RFQ USA have been vetted for quality, service offerings, and reputation. Whether you are searching for a local prototype partner or a full-scale production facility with multi-axis capabilities, our CNC Machining category gives you access to top-performing shops nationwide.

Precision CNC Milling and Turning for Prototypes and Production Runs

RFQ USA members offer a wide variety of CNC machining services, including 3-axis, 4-axis, and 5-axis milling, as well as high-precision CNC turning. Many shops serve both prototyping and high-volume production needs, supporting customers across industries such as defense, aerospace, transportation, energy, medical device manufacturing, and more.

Capabilities often include tight-tolerance features, complex surface geometry, and material expertise ranging from aluminum and stainless steel to Inconel, titanium, and specialty plastics. Whether you need a single part machined for testing or are scaling into thousands of units, RFQ USA makes it simple to find the right shop with the right mix of speed, quality, and pricing.

ISO 9001 and AS9100 Certified CNC Machining Companies

Quality assurance is a top concern in precision machining, which is why RFQ USA highlights CNC machining companies that maintain certifications such as ISO 9001:2015, AS9100D, and IATF 16949. These certifications indicate that a shop has rigorous internal processes for tracking tolerances, verifying part specs, and ensuring consistency across batches.

AS9100-certified shops in our directory are particularly suited for aerospace and defense clients, while IATF-certified machine shops are ideal for automotive and transportation manufacturers. Our directory allows you to filter and search by certification, helping you meet the compliance standards expected in your supply chain.

Multi-Axis CNC Machining, Wire EDM, Swiss Turning, and More

Many of the CNC machining companies listed on RFQ USA offer more than standard milling and turning. Our platform includes shops with specialized capabilities such as wire EDM, CNC Swiss turning, horizontal boring, and deep hole drilling. These value-added services allow you to work with fewer vendors, simplify logistics, and improve part performance by sourcing from experts with advanced capabilities.

RFQ USA member companies often support material traceability, CMM inspection, surface finishing, and assembly, offering complete solutions from raw stock to finished component. You can find shops that specialize in custom fixtures, automation components, brackets, housings, and other precision-machined elements.

ITAR Registered and U.S.-Based CNC Machine Shops

For government and defense contractors, working with ITAR-registered machine shops is mandatory. RFQ USA makes it easy to identify U.S.-based CNC machining companies that are properly registered to handle sensitive and controlled parts. Many of our members also support CMMC, NIST, and DFARS compliance to meet evolving cybersecurity and contract requirements.

If your projects involve export-controlled specifications, you can filter our CNC Machining directory to find only ITAR-registered shops with the capabilities and protocols in place to keep your project compliant.

CNC Machining for Aerospace, Automotive, Energy, and Industrial OEMs

RFQ USA serves buyers from Fortune 500 OEMs to growing startups in aerospace, automotive, medical, defense, and electronics. Our CNC machining category is designed to meet a broad spectrum of needs, including:

• Rapid prototyping with quick-turn CNC machining
• Full production of precision parts with batch or blanket order options
• Close-tolerance machining with documented process control
• Reverse engineering and CAD-to-part development
• Post-machining services, including anodizing, painting, and heat treatment

If your business requires durable, repeatable parts made in certified U.S. facilities, RFQ USA helps you find the best match, fast.

Explore the Best CNC Machining Companies in the U.S. on RFQ USA

Every CNC machine shop listed on RFQ USA has been evaluated by our internal team of manufacturing experts. We prioritize companies with deep technical knowledge, advanced equipment, proven reliability, and a track record of serving national and international customers. Whether you’re searching for a CNC shop in your region or looking for a vendor to handle overflow work, our platform makes sourcing easy and efficient.

Search by process type, materials, certifications, industries served, or location, and get in touch directly to request a quote. If you’re a CNC machining company based in the U.S. and want to join our directory, we invite you to register for membership and connect with buyers across the country looking for a trusted American supplier.