Key Trends & Top Machine Shops in the USA

Machine shops are the backbone of American manufacturing, providing precision machining, custom fabrication, and essential components for industries ranging from aerospace to medical devices. As the industry evolves, machine shops are embracing new technologies, automation, and innovative production methods to stay competitive. In this report, we’ll explore the latest trends shaping the sector, highlight the largest players in the industry, and showcase top suppliers on IndustryNet.

Key Facts & Trends on U.S. Machine Shops

Essential to modern manufacturing, a machine shop is a dedicated facility where raw materials—typically metal, but also plastics and composites—are cut, shaped, and finished into precision parts using tools like lathes, mills, and grinders. These shops play a crucial role in industries such as aerospace, automotive, medical devices, and industrial equipment, producing everything from custom prototypes to high-volume production runs.

The machine shop industry is currently being driven by advancements like CNC machining and robotic automation, which boost precision and efficiency, while additive manufacturing (3D printing) adds flexibility for prototyping. Supply chain challenges have also led to a rise in reshoring, with manufacturers seeking reliable, U.S.-based shops.

Many are carving out niches in specialized areas like aerospace and medical device machining to stay competitive. Sustainability is another major focus, with eco-friendly practices and energy-efficient equipment becoming the norm to meet regulatory and customer demands.

MNI, compiler and publisher of industrial business profiles for the U.S. industrial sector and informational engine behind IndustryNet, surveyed the nation’s 300 machine shops, directly collecting key data points on this essential industry.

• There are currently 300 machine shops in the U.S.
• 4,078 workers are employed in the sector nationwide.
• Employment in the industry has decreased 1% over the past year (March 2024-March 2025)
• Average reported sales for America’s machine shop industry stands at $619 million
• 4% of U.S. machine shops companies are woman-owned.
• 20% of these companies report international distribution while 7% import raw materials.
• The Midwest accounts for the most machine shops with 46%, followed by the South with 30%.

Largest Machine Shops in the U.S.A.

While the industry is made up of thousands of small and mid-sized shops, some large players dominate the sector. These companies leverage advanced manufacturing techniques, large-scale production capabilities, and strategic partnerships to maintain a competitive edge. In this section, we’ll profile some of the biggest names in the machine shop industry and examine what sets them apart.

Below are the largest machine shops in the United States, based on number of employees.

About the Largest Machine Shops in the U.S.A.

RW Screw LLC
Located in Massillon, OH, RW Screw LLC is a leading manufacturer of precision screw machine parts. Founded in 1948, the company has grown to national recognition, offering Swiss, multi-spindle, single-spindle, secondary machining, and grinding services.

Alabama Specialty Products, Inc.
Based in Munford, AL, Alabama Specialty Products, Inc. is a materials processing firm that has been meeting customer needs worldwide for over 45 years. They offer corrosion monitoring products, materials evaluation, laser fabrication, and precision machining services.

Gottstein Contracting Corp.
Located in Hazle Township, PA, Gottstein Contracting Corp. is an industry leader in industrial and commercial contracting. They provide services such as conveyor installations, design and engineering, equipment installations, and plant maintenance.

Richardson Mfg. Co.
Based in Springfield, IL, Richardson Manufacturing Co. specializes in large part machining, including CNC horizontal bore milling and vertical turning operations. They are ISO 9001:2015 registered and have expanded their gear manufacturing capabilities.

I & M Machine & Fabrication Corp.
Located in St. Joseph, MO, I & M Machine & Fabrication Corp. is a complete machine works and metal fabricating facility. They offer custom metal fabrication, precision machining, and industrial metal finishing services.

Schmiede Corporation
Based in Tullahoma, TN, Schmiede Corporation offers advanced CNC machining, EDM, and grinding services. They specialize in close tolerance precision machined parts and assemblies for the aerospace, defense, and commercial industries.

John Bouchard & Sons
Located in Nashville, TN, John Bouchard & Sons Co. has been building and sustaining hardworking infrastructure in the Mid-South since 1900. They offer services such as iron construction castings, service and repair, equipment sales, and construction and fabrication.

ASAP Industries Manufacturing Inc.
Based in Houma, LA, ASAP Industries Manufacturing Inc. specializes in custom machining and repair, API manufacturing, and remanufacturing solutions for the oil and gas industry. They are known for their quick-turn services and large raw material inventory.

Carlson Tool & Mfg. Corp.
Located in Cedarburg, WI, Carlson Tool & Manufacturing is an ISO certified and ITAR registered company offering engineering, tooling, drilling, and machining services. They support military requirements and provide high-quality precision machining

Stephens Machining Solutions
Based in Tompkinsville, KY, Stephens Machining Solutions has 24 years of experience in precision machining. They offer services such as turning, milling, drilling, boring, broaching, and welding for various industries, including agriculture, automotive, HVAC, and oil and gas

IndustryNet’s Top Machine Shops

IndustryNet connects buyers with thousands of verified machine shops and machining companies across the U.S., helping manufacturers find the right suppliers for their needs. In this section, we’ll spotlight top-rated suppliers on the platform, showcasing their specialties, capabilities, and industries served. Whether you're looking for precision CNC machining, custom metal fabrication, or rapid prototyping, these suppliers are leading the way in quality and innovation.

Palmetto Machine & Fabrication, Inc.
Located in Florence, SC, Palmetto Machine & Fabrication has been a trusted source for custom fabrication and CAD designing across the United States for over 20 years. They specialize in welding, fabrication, and machinery repair services, ensuring high-quality products and on-time deliveries.

Toolex Corporation
Based in Addison, IL, Toolex Corporation is renowned for its CNC job shop services. Founded in 1980, Toolex offers custom-made solutions for manufacturing needs, including CNC milling, turning, grinding, welding, and EDM machining.

Barney's Precision Products, Inc.
Located in Dewey, AZ, Barney's Precision Products has been providing precision CNC machining and milling of aluminum and related materials since 1988. They serve various industries, including commercial, automotive, medical, aircraft, and military.

Bramic Industries
Bramic Industries, situated in Addison, IL, is a full-service machine shop specializing in industrial cams. With over 30 years of experience, they produce complex components to exacting specifications, ensuring high-quality products delivered on time.

Above: Inside LV Swiss's facility in La Verkin, Utah

LV Swiss, Inc.
LV Swiss, Inc., located in La Verkin, UT, offers precision CNC Swiss screw machining and milling services. They are certified to ISO 13485:2016, AS9100 Rev D, and ISO 9001:2015 standards, providing high-quality parts with tight tolerances and short lead times.

R&S Maintenance Services, Inc.
Based in Meriden, KS, R&S Maintenance Services is a full-service machine shop specializing in industrial millwright services, precision machining, fabrication, and waterjet cutting. They focus on preventive maintenance to avoid downtime and keep facilities operating efficiently.

Richardson Mfg. Co.
Located in Springfield, IL, Richardson Manufacturing Co. is ISO 9001:2015 registered and specializes in large part machining, including CNC horizontal bore milling and vertical turning operations. They have expanded their gear manufacturing capabilities to serve new industries.

Tibor Machine Products, Inc.
Tibor Machine Products, based in Bridgeview, IL, is a leader in the contract machining industry. They handle volumes from prototype to production, offering high-quality machined products with a commitment to excellence in quality and service.

Tooling Solutions Worldwide
Situated in Watertown, SD, Tooling Solutions Worldwide is a privately owned precision machining facility. They specialize in high-quality precision machined components and production tooling for various industries, including medical, automotive, and defense.

Martel's Machine Shop, Inc.
Located in Odessa, TX, Martel's Machine Shop provides general machining job shop services, specializing in oil field supports and technical services for the oil and gas industry. They offer manufacturing and repair of wellhead equipment, specialty flanges, and fittings.

NST Corp.
Located in Lafayette, LA, NST Corp. specializes in threading its own NST Connection as well as all rotary-shouldered threads, including drill pipe, casing, tubing, customer-design threads, and older, obsolete threads. They have been providing premium horizontal and directional drilling tools and tubulars for the drilling industry since 1993.

Q Shop Precision Welding
Based in Minneapolis, MN, Q Shop Precision Welding offers a wide range of welding services, including TIG, MIG, Spot, Stud, and Robotic Welding. They also provide machining and tapping services for aluminum, stainless steel, steel, and more. Known for their customer-focused approach, they ensure efficient processes and high-quality services.

Ron Grob Precision Machine Co.
Located in Johnstown, CO, Ron Grob Precision Machine Co. is ISO 9001:2015 certified and offers high precision and industrial machining services. Established in 1965, they provide CNC milling, turning, thread rolling, and precision grinding services, ensuring high-quality standards and customer satisfaction.

Industrial Machine & Tool Co., Inc.
Based in Nashville, TN, Industrial Machine & Tool Co. has been specializing in general equipment repair since 1914. They serve the manufacturing, aggregate, and construction industries, offering services such as machine repair, portable welding, line boring, fabrication, and hydraulic cylinder repair.

JBC Machine, Inc.
Located in Hortonville, WI, JBC Machine, Inc. is a family-owned custom machine shop since 1985. They are AS9100D and ISO 9001:2015 certified, providing a variety of machining services, including CNC milling, turning, drilling, and threading. They are known for their commitment to quality and customer satisfaction.

Micro Precision LLC
Based in Florence, SC, Micro Precision LLC offers precision machining services. They are known for their high-quality standards and customer-focused approach, providing reliable and efficient machining solutions.

Mountain View Machine & Welding, Inc.
Located in Logan, UT, Mountain View Machine & Welding, Inc. is a full-service job shop providing machining and welding services. They offer 5-axis milling, CNC lathes, welding, wire EDM, CMM, water jet, prototyping, and heat treatment services. They are AS9100 certified and cater to a wide range of industries.

Arkansas Tool & Die, Inc.
Based in North Little Rock, AR, Arkansas Tool & Die, Inc. is a full-service tooling CNC production job shop. They specialize in metal stamping dies, aluminum die cast molds, plastic injection molds, and special machines. Established in 1949, they are known for their quality, accuracy, and timely delivery.

Bayside Machine Corp.
Located in De Pere, WI, Bayside Machine Corp. is a full-service machine shop and fabrication company. They offer a wide range of machining and fabrication services, ensuring high-quality products and customer satisfaction.

Excel Precision Products
Based in Rome, GA, Excel Precision Products is a machine shop specializing in precision manufacturing. With over 40 years of experience, they offer a wide range of machining services to meet the needs of various industries, ensuring high-quality and customer satisfaction.

Above: International Revere Machining introduces improved portable line boring sets at their facility in Chicago (Read more)

International Revere Machining Corporation
Located in Chicago, IL, International Revere Machining Corporation is a family-owned machine shop established in 1953. They specialize in custom repairs for elevators and machining at the job site. They manufacture line boring machines, power feeds, and custom parts for various industries.

Jefferson Iron Works, Inc.
Based in Ferndale, MI, Jefferson Iron Works, Inc. offers metal planer services with a 10x40 ft. capacity. They provide high-quality machining services, ensuring precision and customer satisfaction.

Jenne Machine, LLC
Located in Lyndonville, VT, Jenne Machine, LLC specializes in part and component manufacturing, precision and CNC machining, turning, and milling. They offer high-quality machining solutions to meet the needs of various industries.

Southwestern Machine & Tool Works, Inc.
Based in Leesburg, GA, Southwestern Machine & Tool Works, Inc. is a general and custom metal machining shop. They provide a wide range of machining services, ensuring high-quality products and customer satisfaction.

Stephens Machining Solutions
Located in Tompkinsville, KY, Stephens Machining Solutions specializes in concrete batching equipment and machining services. They offer reliable and efficient machining solutions to meet the needs of their customers.

United Grinding & Machining Co.
Based in Canton, OH, United Grinding & Machining Co. offers precision grinding, conventional and CNC machining, welding, and fabrication of components for various industries, including steel coil and bar processing, bearing manufacturing, and railroad maintenance.

Wilkinson Tool & Die, Inc./Midwest Metal Stamping, Inc.
Located in Lake Mills, IA, Wilkinson Tool & Die, Inc./Midwest Metal Stamping, Inc. is a metal stamping and tool & die job shop. They specialize in fixtures, production machining, and subassemblies, providing high-quality products and services to their customers.

See all 300 machine shops on IndustryNet.

What to Look for in a Machine Shop

Choosing the right machine shop can make all the difference in ensuring quality and precision in your final product. Here are key factors to consider:

Capabilities & Equipment – Look for a shop with the right mix of machinery, including CNC mills, lathes, and grinders, to meet your project’s needs. Advanced capabilities like multi-axis machining, EDM (electrical discharge machining), or laser cutting may also be important.

Experience & Industry Specialization – Some machine shops specialize in specific industries, such as aerospace, medical devices, or automotive. A shop with experience in your sector will be more familiar with required tolerances, materials, and compliance standards.

Certifications & Quality Control – Certifications like ISO 9001 or AS9100 (for aerospace) indicate that a shop follows rigorous quality control procedures. A well-run machine shop should also have in-house inspection processes, including CMM (coordinate measuring machine) testing.

Material Expertise – Different materials require different machining techniques. A machine shop experienced in working with your required materials—whether aluminum, titanium, stainless steel, or exotic alloys—will ensure better results.

Production Capacity & Lead Times – Whether you need a single prototype or a high-volume production run, it’s important to choose a shop that can meet your delivery deadlines without compromising quality.

Reputation & Customer Service – Reviews, testimonials, and word-of-mouth recommendations can offer insight into a machine shop’s reliability, communication, and commitment to customer satisfaction.

By considering these factors, manufacturers can find a machine shop that not only meets technical requirements but also delivers consistent quality and service.

The Easiest Way to Quote Machine Shops

IndustryNet can help you narrow down your search for machine shops 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.

 Editor's note: This article was first published in November 2017. It has been updated to reflect new trends, statistics and suppliers.