Key Facts & Top Suppliers in the U.S. Machining Industry

The unassuming machine shop plays a vital role in the American manufacturing landscape. From the intricate parts in an aircraft engine to the gears in your car's transmission, machined components are the building blocks of countless products. While the industry has faced headwinds in recent years, it remains a significant employer and economic driver. This article will explore key facts and trends in the U.S. machining industry, including exclusive statistics gathered by MNI, and explore the industry's top companies.

Key Facts on the U.S. Machining Sector

MNI, compiler and publisher of industrial business profiles for the U.S. industrial sector and informational engine behind IndustryNet, surveyed the nation’s 4,000+ companies in the machining industry, directly collecting key data points on this powerful industry for 2024. 

• There are currently 4,019 companies in the U.S. machining industry.
• 64,792 workers are employed in machining
• Employment in machining sector has increased 1.5% over the past year (January 2024 to January 2025)
• Average reported sales for America’s machining industry ran $10.3 billion in 2024
• 2% are women-owned
• 1% are minority-owned
• 7% of machining companies in the United States import raw materials
• 18% of U.S. machining companies distribute their products internationally.
• The Midwest accounts for the most machining companies at 31%, following by the U.S. Mountain/Pacific region with 27%.

The American machining industry boasts a diverse range of players, from small, specialized shops to industry giants. These leading machining companies act as powerhouses of manufacturing capability, driving innovation and production across various sectors. They often possess vast facilities, cutting-edge technologies, and a highly skilled workforce. Understanding the landscape of these major players can be essential when seeking a reliable and high-volume machining partner for complex projects. Let’s take a look at the largest machining companies in the United States today.

Top Machining Suppliers in the United States

See all 4,147 machining suppliers in the U.S. on IndustryNet, the free industrial marketplace. 

About the Top Machining Suppliers in the U.S.A.

Rock Island Arsenal (Rock Island, IL)

This U.S. Army post provides manufacturing, logistics, and base support services for the U.S. Armed Forces, including military artillery/gun mounts, equipment integration, spare parts & tool sets, kits & outfits. Employing 800 and operating out of a 6.3 million square-foot facility, it is the largest machining operation in the United States.

HyPro, Inc. (Waterford, WI)

A family company since 1969, HyPro specializes in supplying precision machined parts for various off-highway and industrial markets. Operating out of a 100,000 square foot facility, this location employs 700, ranking it second in the U.S.

Wheeler Machinery Co (Salt Lake City, UT)

Operating out of a 1.5 million square-foot facility, Wheeler Machinery Co. offers equipment and expertise for heavy industries and has been serving Utah for over 70 years. The company offers sales & rental of more than 300 Caterpillar-models from engines and generator sets to excavators and mining trucks; plus parts and service. Wheeler has locations across Utah, including Vernal, Lindon, Salina, Salt Lake City, Ogden, Logan, Moab, Cedar City, Huntington and Hurricane) and one in Ely, Nevada.

Oberg Industries, LLC (Freeport, PA)

Established in 1948, Oberg Industries is a value leader in the machining, manufacturing, and assembly of components and complex assemblies. Its Freeport location encompasses 500,000 square feet and employs 650.

MOBEX Global (Albion, IN)

This company innovates, engineers, and manufactures safety-critical aluminum chassis, suspension, engine, and driveline components for the mobility industry. Services offered include CNC production machining of intricate castings & forgings for the automobile, agricultural, diesel engine and durable goods industries. This location in Albion is a 68,500 square-foot operations and employs 570 workers.

Petersen Inc. (Ogden, UT)

Petersen Inc. is a major manufacturer providing comprehensive solutions for the most complex of manufacturing and assembly challenges. This Ogden, UT location serves as the company’s headquarters and offers metal fabrication and precision machining of high-level and low-level nuclear waste containment and processing products. This includes piping and ASME vessels as well as tight tolerance commercial and industrial products

MIC Group (Brenham, TX)

Operating out of a 150,000 square foot plant in Brenham, Texas and employing 416, MIC Group is a contract manufacturer and provides manufacturing solutions for customers’ most complex needs, specializing in large complex CNC milling and turning machining, manual and robotic welding, engineering, program management, inspection, and assembly services.

Custom Aluminum Products, Inc. (South Elgin, IL)

This company specializes in the production of custom aluminum products, offering complete fabrication, advanced manufacturing, and machining services, including extruded aluminum, including fabrication, painting, anodizing, welding & bending. This 850,000 square foot operation that employs 400 also serves as the company’s corporate headquarters

Major Tool & Machine, Inc. (Indianapolis, IN)

Major Tool & Machine is a contract manufacturer specializing in building large, complex assemblies to close tolerances from all varieties of special alloys. Services include engineering, fabrication and machining services. The company serves a wide range of industries, including aerospace, defense, launch vehicle, power generation and transportation markets. The site boasts turnkey producibility, from material acquisition to assembly and test and also supplies gas and steam turbine parts.

Modern Industries, Inc., (Phoenix, AZ)

Modern Industries is a vertically integrated top-tier supplier of engineered solutions to the aerospace and semiconductor industries. The company specializes in the manufacturing of machined parts and assemblies, offering services such as precision machining, chemical processing, strategic procurement, inspection, welding, and more. The company has over 400 employees at this location.

IndustryNet’s Top Machining Suppliers of 2024

Looking for a machining supplier? IndustryNet’s top machining suppliers of 2024 represent a range of machining capabilities and certifications, reflecting the diversity and specialization within the industry. Here are the top 10 for 2024:

• Swiss Automation, Inc.
• I D Machine, Inc.
• Krenn’s Machine, Inc.
• Brico Engineering Co.
• Custom Aluminum Products, Inc.
• FZE Manufacturing Solutions, LLC
•  KLM Machining, Inc.
• LV Swiss, Inc.
•  M’s Machine & Mfg. Co., Inc.
• Product Mfg., Inc.
• Sturdy Built Manufacturing, LLC
• Tibor Machine Products, Inc.
• WH Enterprises, LLC 
• Valley Tool, Inc.

About IndustryNet's Top Machining Suppliers of 2024

Swiss Automation, Inc.: This company specializes in precision-turned components and contract machining of complex parts from various materials, including brass and stainless steel. 

I D Machine, Inc.: Known for its long-standing experience in the industry, I D Maching, Inc offers general and CNC precision machining services.

Krenn’s Machine, Inc.: Krenn's is a general and CNC precision machining job shop that caters to a variety of machining needs.

Brico Engineering Co.: A premier supplier of machined parts and assemblies, Brico Engineering serves the global aerospace market with certified quality management systems.

Custom Aluminum Products, Inc. This company provides aluminum extrusions, fabrication, and a range of finishing services, boasting several ISO certifications.

FZE Manufacturing Solutions, LLC: FZE offers general and production machining services, including electropolishing, passivation, and assembly.

KLM Machining, Inc.: KLM is known for both low-volume and high-volume production CNC machining capabilities.

LV Swiss, Inc.: This company offers precision CNC Swiss screw machining and milling, with certifications in medical and aerospace quality management systems.

M’s Machine & Mfg. Co., Inc.: This is a CNC machining job shop that provides a variety of machining services.

Product Mfg., Inc.: Porduct Mfg. Inc engages in light fabrication and precision machining, serving different machining requirements.

Based in Denver, Pennsylvania, Sturdy Built Manufacturing, LLC excels in precision metal fabrication for dairy barn equipment. Their comprehensive services include laser cutting, forming, turret punching, machining, tube bending, and welding. 

Tibor Machine Products, Inc., located in Bridgeview, Illinois, is a CNC turning and milling job shop known for its precision and efficiency. They offer a wide range of CNC machining services, ensuring that each component meets stringent quality standards. Their commitment to excellence makes them a trusted partner for various industries.

TWH Enterprises, LLC, situated in Batesville, Arkansas, is an ISO 9001:2015 and AS9100:2016 certified company. They specialize in taking projects from prototype to production, ensuring high standards of quality and reliability. Their comprehensive services and certifications make them a preferred choice for clients seeking precision and consistency.

Valley Tool, Inc., based in Water Valley, Mississippi, is a tool and die job shop offering precision and small lot production machining. Their services include inspection, sorting, rework and repair, assembly, and dunnage washing. With a focus on precision and quality, they provide comprehensive solutions to meet the diverse needs of their clients.

What to Look for in a Machining Supplier

Finding a machining suppliers that meets your specific criteria and specifications can be tricky. Let’s rundown some key factors to consider when choosing a partner for your project:

• Capabilities: Does the shop possess the necessary machinery and expertise to handle your specific needs? This includes factors like material compatibility, tolerance requirements, and production volume.

• Quality Control: A commitment to quality is paramount. Look for certifications and a proven track record of meeting tight tolerances. Inquire about their inspection processes and quality control procedures.

• Communication and Customer Service: A reliable machining supplier should be a communicative partner. They should be able to clearly explain their processes, answer your questions promptly, and keep you updated on project progress.

• Experience: An established shop with a proven track record in your industry is a valuable asset. They'll have the experience and know-how to tackle your specific challenges and suggest potential optimizations.

• Technology: Modern machining shops leverage advanced technologies like Computer Numerical Control (CNC) machines and sophisticated design software. This ensures precision, efficiency, and repeatability in production.

By carefully considering these factors, you can find a US-based machining supplier that meets your project requirements and becomes a trusted partner.

The Easiest Way to Quote Machining Suppliers

Looking for machining suppliers? IndustryNet can help you narrow down your search for a domestic machining supplier or any other type of local industrial supplier. Perform searches by company type, distribution, geography, specialty, and even ISO standards. Search, sort, and quote for free on America’s most-trusted industrial marketplace.