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

Pearl City, Hawaii4.3(6)

Here at Precision Machinery & Tooling we pride ourselves in our ability to take the ideas of our clients and turn them into reality. We specialize in 2-3 axis computer controlled manufacturing and design. We can do short run, prototype development or full production of your products. Located on Oahu, Hawaii.

+1 808-456-8886Website
Richmond, Kentucky

Our family approach to business is evident when we produce products for our customers. PTI (Precision Tube, Inc.) offers cnc manufacturing of wire form products. As an ISO 9001:2000 registered wire products company, we also do tube fabricating and cnc machining. We are committed to excellence.

859-623-5595Website
Longmont, Colorado5.0(6)

Preece Machining and Assembly is precision milling center providing precision milling services, prototype machining, INVAR, high volume production and invar 36.

+1 303-434-0986Website
Warminster, Pennsylvania5.0(2)

Prieto Machine Company has been providing quality machined products and machining solutions since 1978.

+1 215-675-6061Website
Norwood Young America, Minnesota5.0(1)

Principle CNC Manufacturing in Norwood Young America, MN has been offering products and services for more than 20 years. We also have reliable experience in milling, lathe, and drilling and tapping. If you would like to learn more about what we offer, do not hesitate to get in touch with us.

+1 952-467-4929Website
Baton Rouge, Louisiana5.0(4)

Pro Fabrication offers advanced manufacturing, prototyping, and production services in Baton Rouge, New Orleans, and the Gulf South.

+1 225-384-0663Website
Philadelphia, Pennsylvania

From new product design to CNC machined development, Product Development Factory's team is ready for you. Achieve your vision.

+1 215-239-7618Website
Wichita, Kansas

Based in Wichita, KS, PMC provides high-quality key components to customers of The Atlas Group.

+1 316-942-7931Website
Minneapolis, Minnesota4.9(7)

Production Engineering Corporation provides a range of contract manufacturing services, including sheet metal fabrication, CNC machining & more.

+1 612-788-9123Website

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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