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  • 6 leading manufacturers
  • 83 additional suppliers
  • 28 states and provinces
  • 17 related categories
  • 2 guide sections
Source: IQS Directory database snapshotOur Methodology
Leading manufacturers
Listings in this category's Leading placements, shown first in IQS sequence order.
Additional suppliers
The category's other listings, shown on its Additional Companies page. Counted by listing.
States and provinces
U.S. states and Canadian provinces where the listed companies are located.
Related categories
Other categories IQS links from this one as related products or processes.
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Custom Machining Companies

Play Custom Machining Informational Video
Custom Machining Informational Video

IQS Directory provides an extensive list of custom machining companies. Utilize our website to review and source custom machining companies with our easy-to-use features which allow you to locate custom machining companies that will design, engineer, and manufacture custom parts and products for your exact specifications. Our request for quote forms make it easy to connect with leading custom machining companies. View company profiles, website links, locations, phone number, product videos, product specific news articles and other production information. We are a leading manufacturer directory who will connect you with the right companies whether you are looking for CNC cutting services, CNC drilling services, or CNC milling services.

Suppliers located in CA, IL, MN +25 more states

Read the custom machining guide
Contents (4 sections)

Leading Custom Machining Manufacturers

Location
Certifications

Showing all 6

Certification, declaration and ownership records are on file for 1 of 6 suppliers in this list, from supplier reports IQS reviewed. A supplier without one listed may still hold it.

Leading custom machining manufacturers
Placement No.ManufacturerLocationContactActions
1

M.A.R.'s Engineering Company Inc.

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.

  • ISO 9001 (Supplier-reported, reviewed Sep 2026)
  • AS9100 (Supplier-reported, reviewed Sep 2026)
  • ITAR registered (Supplier-reported, reviewed Sep 2026)
LocationSan Leandro, CA
View Manufacturer
2

Pacific West America, Inc.

CNC Machining of high precision commercial grade parts for the electronics industry. We sell high precision Commercial Grade CNC Machine Parts. Such as Swiss Screw Machining, 5 Axis CNC Lathe Machining, Vertical Milling, Horizontal Milling, and 4 Axis CNC Machining. CNC Lathe and Swiss Screw Machine parts range in size from .020” to 9.0" diameter. CNC Mill parts fit within one square foot roughly. Tolerances held vary from +-.001" to ±0.0004".

LocationCalabasas, CA
View Manufacturer
3

Valk Industries, Inc.

With nearly 40 years industry experience, we have what it takes to satisfy your every need. We are committed to our CNC machining quality, as our ISO 9001:2008 certification shows. We can offer a superior level of service and quality thanks to our innovative techniques and commitment to customers! It is our goal to ensure that we offer precisely what you need. Find out more on our website!

LocationGreeneville, TN
View Manufacturer
4

Thuro Metal Products, Inc.

Thuro Metal Products is a CNC machining service provider. Our expertise is in the utilization of CNC controlled turning and milling machines as well as multi-spindle, single spindle, and Swiss screw machines. We are an ISO 9001:2000 and QS9000 world-class quality standards company, and the industries we serve include aerospace, automotive, and defense. To learn more about our services, contact Thuro today!

LocationBrentwood, NY
View Manufacturer
5

Remaly Manufacturing Company, Inc.

At Remaly Manufacturing, we deliver precision-driven CNC machining solutions built to meet the evolving demands of modern manufacturing. Our company combines advanced equipment, skilled craftsmanship, and a deep understanding of materials to produce high-quality components with consistency and accuracy.

LocationTamaqua, PA
View Manufacturer
6

Edward Koehn Co., Inc.

At Edward Koehn Co., we provide precision CNC machining services designed to support customers with dependable, accurately manufactured components. Our company works with a variety of materials and part configurations, using CNC equipment to maintain dimensional accuracy, repeatability, and consistent quality.

LocationBerkeley, CA
View Manufacturer
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Leading custom machining manufacturers are listed first on this page, each with a website preview and a Request a Quote button on its row.

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Additional Custom Machining Companies

The category’s other custom machining companies are listed on their own page, with location, phone and website where each supplier provides them.

View 83 Additional Custom Machining Companies

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Quick Answers

How many custom machining manufacturers are listed on IQS Directory?
6 leading manufacturers and 83 additional suppliers.
Where are custom machining manufacturers located?
The listed suppliers are in 28 states and provinces: California (14), Illinois (7), Minnesota (7), Connecticut (6), Michigan (6), Pennsylvania (6), Wisconsin (5), New Hampshire (4), and 20 more.
How do I get quotes from custom machining suppliers?
Select suppliers in the table and choose Request Quotes. IQS reviews your request and forwards it to every supplier you select.

Custom Machining

2 sections

Machining is a broad term for manufacturing processes in which objects are created out of metal, plastics, rubber, or other materials. Custom machining is more precise in that the machining is done to meet particular specifications or unique requirements. This type of process takes the place of other styles of manufacturing such as casting or molding and is great for custom work as complex and fine details are able to be machined directly into the final product. There are a number of different custom machining techniques depending on your unique requirements such as milling, grinding, turning, drilling, and many others. This is why it is important to work with a knowledgeable and trusted custom machining company as they will know through experience which type of machining is the most efficient and best choice based on your needs and requirements.

Types of Custom Machining

Custom machining is utilized for a wide range of industries from jewelry making to the manufacturing of plain steel washers. Even some automotive components are made through the custom machining process, it all depends on what the final product and application requires as machining is the process of shaping a material into that final product through a variety of methods. Drilling is one of the more basic methods as it is simply drilling holes into the material, this might be ideal for mass custom washer manufacturing where a precise sized hole is necessary for a large batch of washers. Another type of machining is the turning process, which rotates the material in a lathe to remove pieces of material while also keeping the product cylindrically symmetrical. Grinding is a great method for removing surface material to achieve particular surface properties or effects. This process can be used to achieve accurate part dimensions or to create a very fine surface finish. Milling uses a cutting tool to more precisely remove materials from the surface of a material. Whether manually or using CNC equipment, different shapes can be cut out of the surface and different depths can be achieved. Depending on your requirements, anywhere from one to all of these processes may be required.

Things to Consider When Choosing Custom Machining

Whatever your application may be, a custom machining company will be able to answer virtually any question you may have about the process and help guide you to the right solution for your particular requirements.