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

Jackson, Michigan5.0(1)

Your machine shop for precision machined parts: rigorous quality assurance & Rapid turnaround for screw machining, CNC milling and CNC turning

+1 517-782-0577Website
San Leandro, California

Our advanced CNC machining centers are equipped with the latest technology, enabling us to produce intricate and accurate parts with tight tolerances. Our team of skilled programmers and machinists can efficiently handle both small and large production runs, delivering exceptional results every time. Whether it's prototyping or full-scale production, we are committed to meeting your CNC machining needs with precision and reliability.

510-483-0541Website
Murrieta, California2.3(3)

M&E Machine and Engineering, is a full CNC precision machine shop capable of prototype, short-run, and production. Utilizing high speed machining tactics, we offer competitive rates, fastest lead times, and superior quality.

+1 951-696-9717Website
Danvers, Massachusetts3.4(5)

M&H Engineering specializes in prototype to volume production of close tolerance components and mechanical assemblies. We focus on critically demanding parts for OEM’s in the Medical, Aerospace and Semiconductor industries.

+1 978-777-1222Website
Livingston, New Jersey5.0(5)

M4 Machine is a CNC machine shop in Livingston, New Jersey with a reputation for making custom CNC hardware, especially metal custom lighting parts. Our competitive prices, equipment, and experience allow us to take on jobs ranging from prototypes to large productions orders. We were originally lo

+1 718-928-9695Website
Elmira, New York5.0(1)

Explore Mach III motion control products, including clutches, friction brakes and torque limiters, as well as our engineering, production and sales support.

+1 859-291-0849Website
Tualatin, Oregon5.0(5)

Machine Sciences is a CNC machine shop that specializes in prototype machining, production machining, magnesium machining, 5 axis machining, machining careers, Mill/turn machining, metrology, AS9100 machining.

+1 503-682-9980Website
Knoxville, Tennessee4.0(4)

Machined Products Company Inc. is your source for quality manufacturing. We specialize in high quality CNC machining.

+1 865-670-1811Website
Brooklyn, Minnesota5.0(1)

Main Tool & Manufacturing has been making high quality parts for more than fifty years. Our goal is to EXCEED your expectations. We perform to the highest standard in all areas. Main Tool has grown into a complete machining facility of 1-2 pc items, small and large quantity production runs, and cell type setups in medium to large size parts. We perform to the highest standard in all areas.

763-571-1772Website
South Paris, Maine5.0(3)

Located in South Paris, Maine, Maine Machine Products Company is one of the largest CNC facilities in the Northeastern United States. Learn more about MMPCO.

+1 207-743-6344Website
Valencia, California4.6(52)

Mamo Motorsports Chevy LS, BBC & SBC performance products are engineered for your specific vehicle. We design and manufacture custom cylinder heads, intake manifolds, throttle bodies and more, delivering the most reliable top end engine builds that make the most power. Trust Mamo - get #mamofied!

+1 661-714-1317Website
Canal Winchester, Ohio4.7(3)

Manifold & Phalor is a precision CNC manufacturing and engineering company delivering custom-machined components for industrial and OEM applications. We specialize in CNC milling, turning, and multi-axis machining, supporting prototype through production with tight tolerances, consistent quality, and an engineering-driven approach built for performance and reliability.

+1 614-920-1200Website
Menomonee Falls, Wisconsin5.0(1)

Mantel Machine is a leading provider of custom metal fabrication, precision CNC achining, and Swiss machining.

+1 262-255-6780Website

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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