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

Santa Rosa, California

Galvin Precision is a one-stop shop for high precision machined metal and plastic parts. Our technical knowledge and vast equipment and capabilities allow us to handle an array of projects from prototypes and unusual part tolerances to large run standard productions. We have secondary services such as welding, part assembly, powder coating and plating for ship to stock convenience. Whether a job requires 1 part or 10,000 parts, we assure consistent quality performance and on time delivery. We ma

+1 707-526-5359Website
Sunrise, Florida5.0(2)

GAM Swiss Turning offers ISO-certified precision Swiss screw machining and CNC turning services. From prototypes to production runs. Sunrise, FL. Call (954) 917-0081.

+1 954-917-0081Website
Rochester, New York

Gartom CNC provides custom and precision machining services to engineers, product developers, and designers.

+1 585-402-8346Website
Arlington, Texas5.0(2)

CNC Machining, milling, turning, and drilling services for aerospace, military, and oilfield sectors. ISO 9001:2015 certified quality manufacturer.

+1 817-422-5349Website
Gemini GroupVerified
Chesterfield, Michigan

CNC machining and metal fabrication for automotive and industrial. High-volume production with statistical process control.

(586) 286-3200Website
Santa Clara, California

CNC milling and turning, prototypes to production. ISO 9001:2015. Serving telecom, robotics, and semiconductor industries.

(408) 988-4800Website
Pocatello, Idaho3.7(3)

GPMS is a precision custom CNC machine shop that has specialized in producing many quality industrial machined components since 1958.

+1 208-237-2390Website
Cedar Rapids, Iowa

Good old fashioned American tool making by experienced people! Design, Manufacture and Repair injection molds for all industries. Custom Machine for short run production.

+1 319-892-0315Website
Georgetown, Kentucky5.0(1)

Georgetown Tool provides precision CNC machining, production machining, and tight-tolerance manufacturing for aerospace, energy, and industrial clients.

+1 502-863-4020Website
Muskogee, Oklahoma5.0(1)

At GMC our quality control process begins the minute you place your order. We understand that each product is critical to your operation efficiency, and all of our employees are dedicated to creating high-caliber products that promote your company’s success. Were committed to providing you with equipment that is durable, economical and long lasting, and we do so at a high level of safety.

+1 918-682-5700Website
Rush, New York1.0(1)

Global Precision Products, LLC offers precision machining services. Contact our New York based team today to learn more about our swiss and CNC services.

+1 585-334-4640Website
Rochester, New York5.0(3)

Rochester, New York

+1 585-349-2599Website
Hadley, Michigan5.0(2)

Mold and Machine Shop. Innovative products made in the USA featuring the 7 way trailer plug cover

+1 248-872-6423Website
Berlin, Connecticut

| Specializing in CNC Machining from Single Piece to Production Runs

+1 860-828-8789Website
Pound, Wisconsin4.1(8)

Welcome to Graetz Mfg. We are an American precision machining company that specializes in custom precision machining and production of custom sprockets, shafts, gears, hubs, agricultural chains and many other miscellaneous products for a wide variety of industries.

+1 920-897-4041Website
Warrington, Pennsylvania

Founded in 1975, Gross Machine, Inc is a precision CNC turning and milling shop specializing in machining titanium, plastics and stainless steel. Our capabilities include prototyping, production and assembly. Our facility is fully air conditioned with a quality department to assure accuracy and repeatability of the machinery. Our company is about friendly customer service and quick on quotes.

215-491-7077Website

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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