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

Federal Heights, Colorado

Wanek Machine is a custom machine shop here to help you with you products. From protyping to production we can find a solution for you!

+1 303-531-1659Website
Warren, Michigan2.6(10)

Warren Screw Products, Inc. is a manufacturer of Close-Tolerance Turned, Broach, Machined and Assembled Metal Components. Since 1957, we have been machining customer designed components for all major manufacturing industries, Automotive, Appliance, Commercial, Heavy Truck, Agriculture and Military.

+1 586-757-1280Website
Salt Lake City, Utah5.0(3)

Wasatch Tool & Die, Inc. started in a small 8,000 sq ft. shop in West Salt Lake City, Utah, in 1973. Over the years, we have come a long way while delivering top-quality products on time. We produce parts for other manufacturers for heavy equipment, oil fields, gas field, and pipelines. Learn more.

+1 801-973-6978Website
Perham, Minnesota

We are experts at making and rebuilding specialty industrial components. All our custom manufactured products are made in-house in the United States.

+1 218-346-3118Website
Nokomis, Florida3.8(6)

Weber Manufacturing offers a wide array of Precision CNC Swiss Screw Machine Products. We offer a complete range of precision machining services

+1 941-488-5185Website
Ontario, New York4.8(5)

A value added single source contract manufacturer of finished fabricated metal components and assemblies of product infrastructure for electrical and electronic products for all aspects of metal product manufacturing.

+1 585-265-3000Website
Grand Rapids, Michigan5.0(1)

Custom Machine Design by Werkema Machine. Custom industrial production machines to your spec | 40 Yrs Design/Build Experience {616-455-7650}

+1 616-455-7650Website
Conway, Arkansas4.0(5)

Wescon Machining is a Machine Company located in Conway, Arkansas. We service Little Rock, North Little Rock, Benton, and all surrounding areas. We focus on specialty parts and products using Water Jet Cutter, CNC machines, Mills, and other industrial fabrication equipment. From small to big, we make it all.

+1 501-327-5236Website
Campbellsport, Wisconsin4.0(1)

West Bend Machine Works, Inc. will exceed your expectations for machined parts for long run or short run production. We have grown because of our customer's approval of our services. Since our inception we have worked to establish a tradition of quality and innovation. Contact us!

+1 920-533-4700Website
Mills, Wyoming5.0(1)

We manufacture ASME code closure assemblies (Manways), Hinged Closures, Swing Bolts, Camlock Closures & Access Hatches in sizes 4 inch to 30 inch.

+1 307-237-4062Website
Westfield, Wisconsin5.0(1)

Westfield Machining & Manufacturing in Westfield, WI is a manufacturing shop, producing custom screw machine & CNC products. Call us today.

+1 608-296-2518Website
Wichita, Kansas

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

Willis, Texas4.8(6)

Wildkat Precision is a precision machine shop specializing in metal machining, prototypes, small runs, and high-volume production with reliable delivery.

+1 936-890-9572Website

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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