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

Rochester, Michigan5.0(83)

A full-service precision CNC Machine shop in Rochester, MI. We specialize in prototype to production CNC milling, turning and wire EDM parts.

+1 248-651-9415Website
Holbrook, Massachusetts

9100 (9001:2015) certified. Certification body: TUV USA, Inc.. Structure: Single Site.

(781) 961-5297Website
Macomb, Michigan4.3(28)

Michigan Production Machining, Inc. (MPM) is a high volume machining company that supplies partial and finished machined parts to the automotive industry while implementing a coordinated approach to the prevention of pollution and waste minimization.

+1 586-228-9700Website
Tempe, Arizona5.0(6)

From prototyping to production, Fathom delivers precision manufacturing at scale. Explore our comprehensive suite of U.S.-based services—from CNC machining and molding to advanced metrology and outsourced solutions—trusted by leaders in aerospace, medical, robotics, and beyond. Every project is backed by expert support, strict certifications, and scalable technology.

+1 480-966-2300Website
Amarillo, Texas4.3(18)

Midwest Machine LLC. specializes in automating processes with custom machinery designed to meet the unique needs of each client. Our innovative solutions are tailored to streamline operations, boosting efficiency and productivity. Whether you’re in protein processing or another industry, we provide precision-engineered systems that help optimize your processes and ensure smooth, seamless operation.

+1 806-355-9400Website
Easton, Pennsylvania4.6(27)

We at M.C.R.P redefine all aspects of performance. From engine building to dyno services to cylinder head repair to custom metal work we are truly a one stop shop. Come visit us at our home in Easton, Pa and see what we can do for you!

+1 610-438-3717Website
Oviedo, Florida

Our mission is to provide products and services to industry with honor and integrity. Utilizing our vast experience and leveraging our superior technology and equipment for the best possible outcome for our customers. MILL IT NOW.com is a division of NCAD Products, Inc. specifically designed to offer rapid CNC milling services.

855-288-1669Website
Lawrence, Massachusetts4.8(16)

Mills Machine Works, Inc. is a precision prototype to production machine shop based out of Lawrence, Massachusetts serving customers all over the United States.

+1 978-683-4826Website
Shawano, Wisconsin4.9(10)

Mod Tech Industries (MTI) is a production machining company specializing in the machining of grey and ductile iron castings including post heat treated Austempered Ductile Iron (ADI) to grade 4,...

+1 715-524-4510Website
Albuquerque, New Mexico

9100 (9001:2015) certified. Certification body: Performance Review Institute Registrar. Structure: Single Site.

(505) 293-3962Website
Erie, Pennsylvania4.5(11)

Modern Industries is a NADCAP, AS9100, ITAR registered Heat Treating and Machining company that offers diversified products and services world-wide.

+1 814-455-8061Website
Anaheim, California4.4(12)

Precision Machining Company in the United States, our processes yield near-perfect results - time and time again - and we pass that value...

+1 714-693-4840Website
Beavercreek Township, Ohio

Mosher Machine and Tools is an ISO 9001:2015 company, capable of providing all your production needs; founded in 1973 in Dayton, Ohio.

+1 937-258-8070Website

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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