12197 verified suppliers listed

Best Production CNC Machining Shops — High-Volume Parts

Production CNC machining shops are built for volume: automated bar-fed lathes, multi-pallet machining centers, in-process gauging, and ISO 9001 or AS9100 quality systems that ensure every part in a 10,000-piece run meets drawing requirements. These shops invest in dedicated fixturing, statistical process control (SPC), and lean production cells to deliver competitive unit prices at scale. Whether you are looking for a domestic OEM supplier for a defense program or a commercial partner for an industrial components program, these shops have the infrastructure for sustained production.

Why these suppliers?

  • Production-oriented shops operate with automated equipment, dedicated fixturing, and documented process controls that ensure part consistency across large batches — unlike general job shops that reset up tooling for each new order.
  • These shops carry quality certifications (ISO 9001, AS9100) with SPC programs, Cpk monitoring, and documented corrective action processes that satisfy OEM supplier qualification requirements.
  • Long-term production contracts benefit from amortized setup costs and volume pricing; the shops in this directory have capacity commitments and supply chain management experience for sustained program support.

759 verified suppliers found

Proto LabsVerified
Maple Plain, Minnesota

Rapid prototyping and on-demand production. CNC machining, injection molding, 3D printing, and sheet metal. Fast turnaround from 1 day.

(877) 479-3680Website
Concord, North Carolina4.8(5)

5-Axis CNC Machining - Protodyne will design, develop and manufacture parts specifically for your business needs. Whether it's a prototype idea, small quantity or large production run, we can perform a wide variety of manufacturing processes. We specialize in 3, 4, and 5-axis CNC machining, manual mill and lathe machining, fabrication and engineering design.

+1 217-474-5861Website
Oak Ridge, Tennessee4.3(9)

Protomet is a full-service product design and manufacturing house. We partner with leading brands to develop innovative products that transform customer experience.

+1 865-425-0600Website
Rancho Cordova, California4.0(8)

Transforming Ideas into Reality: At Prototek, we offer a comprehensive solution for your needs, from prototyping to production. Get a quote!

+1 916-851-9285Website
Hudson, New Hampshire

PTP Machining, Inc. is located in Hudson, NH. We are a manufacturer of precision components, offering prototype and production capabilities. PTP Machining, Inc. is an ISO 9001:2008 certified company.

+1 800-872-3400Website
Bremerton, Washington

Puget Sound Precision is a leading CNC Machine shop in Washington. We offer top-quality precision parts and screw machine products for all production needs.

+1 360-297-3939Website
San Diego, California5.0(1)

Q&V MACHINES, PRECISION CNC MACHINING PROTOTYPES AND PRODUCTION,

+1 858-695-9032Website
Salem, New Hampshire

Specializing in plastic manufactured parts, rapid prototyping, product development support, and subcontract/outsourcing for machine shops.

+1 603-890-6982Website
Depew, New York2.0(4)

Looking for a reliable supplier for CNC machining, production machining services? We provide stainless steel and aluminum machining services across the USA. We are focused on precision CNC machining using advanced manufacturing technologies to increase your part quality, tighten lead times and lower your overall costs!

+1 716-681-0810Website
Wallingford, Connecticut5.0(1)

We specialize in the design and manufacture of fixtures, gages, and cast urethane products for the aerospace, military, and commercial industries

+1 800-637-6809Website
Spokane, Washington5.0(3)

Rework parts due to engineering changes; change bore, length, and size. Save money in obsolete material by turning surplus material into production parts. Rework parts rejected from offshore supply. Local pick-up and delivery available

+1 509-487-8294Website
New Kensington, Pennsylvania

QMP Machine specializes in high-precision CNC machining, screw machine parts, and custom machined components for aerospace, medical, automotive, and industrial industries. Trusted for quality, speed, and expert manufacturing solutions.

+1 724-339-2360Website
Dallas, Pennsylvania4.0(13)

Quality Metal Products offers a full service machine shop and fabrication facility for single parts or complete projects.

+1 570-333-4248Website
Fairfield, Ohio

Local machine shop specializing in prototype, production and machining of manufactured items. Personalized service to aid in design to build process.

+1 513-874-0111Website
Toledo, Ohio5.0(1)

Get precision-machined products for automotive, commercial, manufacturing and other industries in Toledo, OH. Visit R&D Custom Machine & Tool for details!

+1 419-727-1700Website

Frequently Asked Questions

At what quantity does it make sense to use a production CNC shop vs. a prototype shop?
Production machining generally becomes more cost-effective than prototype-style machining above 100–500 pieces per order, depending on part complexity and material. Production shops justify dedicated fixturing, tool presetting, and process optimization investments at volumes where the per-piece savings outweigh the setup costs. For ongoing repeat orders (blanket POs, kanban programs), even lower quantities per release can justify a production shop relationship.
What quality systems should a production CNC shop have?
At minimum, a production CNC shop should hold ISO 9001:2015 certification. For aerospace or defense production, AS9100 is required. A robust production shop should also have documented control plans, FMEA for critical features, in-process gauging or CMM inspection, SPC with Cpk tracking for key characteristics, and a corrective action (CAPA) system. Ask to review their PPAP (Production Part Approval Process) capability or AS9102 FAIR process for new part qualification.
How do I evaluate a production CNC shop before placing a long-term contract?
Before awarding a production contract, consider: 1) reviewing their quality certification and scope, 2) requesting a facility tour to assess equipment age, condition, and floor organization, 3) asking for Cpk data on similar parts, 4) checking references from existing OEM customers in your industry, and 5) reviewing their risk management approach for material supply disruptions and capacity constraints. A sample order of 50–200 parts as a qualification run is standard practice before committing to volume production.

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