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

Brownsville, Wisconsin

Dan Staehle, SPC: Expert in CNC machine tools, product sales, installation, CNC Retrofits, and service of major brands like Heidenhain

+1 414-315-3436Website
Coatesville, Pennsylvania5.0(1)

Stainless Plate Products is a USA producer of plasma cut, water jet cut, machine cut quality stainless steel rings, discs, plate flanges and custom cut plate.

+1 800-523-7532Website
Coatesville, Pennsylvania

Stainless Processing, Inc develops the highest quality stainless steel rings, discs, standard and specialty plate flanges as well as completely custom cut and machined products for specialty applications.

+1 800-345-8126Website
San Francisco, California4.7(26)

Prototype & production for Aerospace, Transportation, Biotech, Research, Commercial, Industrial, Arts, Entertainment, Government, Inventors, Startups, etc.

+1 415-546-6784Website
Berea, Ohio5.0(1)

Made-to-order parts, on time and up to spec. At Standby Screw, we’ve dedicated ourselves to producing the precise, custom components you need. Learn more.

+1 440-243-8200Website
Butler, New Jersey

Stanton Precision Products is a family-owned Swiss CNC Machining & Turning shop providing high-quality machined products to a wide range of industries and applications world-wide.

+1 973-838-6951Website
Indianapolis, Indiana5.0(1)

PCI Machining offers high quality, cost-effective engineering solutions. CNC, product fabrication, design services and support for a wide variety of industries, large or small.

+1 317-634-3521Website
Piney Flats, Tennessee4.7(23)

With 25 years of experience in the Performance Industry, Straub Technologies has built relationships with many of the top companies. Our ability to source, design, and sell products to satisfy your performance needs of $100M a year industry giant or a racer with $10 to spend has built our reputation as the go to source in the performance industry.

+1 423-391-7774Website
Mentor, Ohio5.0(1)

Sulecki Precision offers expert CNC machining services in Mentor, Ohio, with over 32 years of experience in precision manufacturing.

+1 440-255-5454Website
Newark, Delaware5.0(1)

From Prototype to Production, Summit Industrial's machining specializes in materials including Plastics, Metals, and Exotic Varieties

+1 302-368-2718Website
Bremen, Indiana

Superior Innovations - Precision Machine Shop, located in Bremen Indiana. Manufacturing high quality parts and components, specializing in High to Low volume production, including One-Off parts.

+1 574-301-5424Website
Oceanside, California

The foundation of Superior Machined Products is its employees. Employees are encouraged to both continually improve and contribute new innovative ideas. Treating our employees with much deserved respect as well as appreciation is our way to attract and retain the best and most experienced employees in the industry.

+1 760-707-7699Website

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.

Ready to get quotes?

Request a Quote