For decades, CNC Machining USA has been a driving force in precision engineering, fueling innovation across aerospace, automotive, medical, electronics, and energy industries. In 2025, the demand for high-precision, quick-turnaround, and cost-effective machining solutions is stronger than ever. Based on my industry research, I’ve selected 15 leading CNC machining companies in the United States that stand out for their cutting-edge technology, strict quality standards, and proven ability to deliver on time.
1.Protolabs
Founded in 1999 and headquartered in Maple Plain, Minnesota, Protolabs has grown into one of the world’s fastest and most comprehensive digital manufacturing service providers. Originally launched as a rapid injection molding company, Protolabs has since expanded its portfolio to include CNC machining, 3D printing, and sheet metal fabrication, making it a one-stop digital manufacturing resource.
Protolabs combines cutting-edge automation with a global manufacturing network to deliver parts at unmatched speed. Its proprietary online platform provides instant quoting, design for manufacturability (DfM) feedback, and automated workflows, enabling customers to move seamlessly from prototype to low-volume production. By leveraging digital manufacturing technologies such as stereolithography (SLA), Multi Jet Fusion (MJF), PolyJet, and direct metal laser sintering (DMLS), Protolabs empowers engineers and businesses to innovate faster, reduce costs, and accelerate time to market.
With over 1,600 team members worldwide and facilities in the United States, Europe, and Japan, Protolabs serves industries spanning aerospace, automotive, medical devices, consumer electronics, and energy. As a publicly traded company (NYSE: PRLB), it maintains a strong commitment to transparency, scalability, and long-term customer partnerships.
Its global footprint includes nine locations, with state-of-the-art manufacturing campuses in North America, the UK, and Asia, ensuring localized support with global reach. This blend of digital-first engineering, automated production, and worldwide presence positions Protolabs as a trusted partner for precision, reliability, and speed in modern manufacturing.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Protolabs | 1999 | Maple Plain, MN, US | CNC Machining, Injection Molding, 3D Printing, Sheet Metal Fabrication, Rapid Prototyping | ISO Certified | protolabs.com |
2.Xometry
Founded in 2013 and headquartered in Munich, Germany, Xometry Europe is the European division of Xometry, the world’s largest AI-powered marketplace for on-demand manufacturing. The company specializes in connecting engineers, procurement teams, and business leaders with a vetted network of over 10,000 global suppliers offering CNC machining, 3D printing, injection molding, sheet metal fabrication, and more.
From rapid prototyping to high-volume production, Xometry Europe leverages advanced AI-driven workflows to deliver instant quoting, scalable production solutions, and cost-efficient sourcing. With more than 16 manufacturing technologies and access to 130+ materials, Xometry ensures customers can quickly, reliably, and transparently obtain custom parts. Its ISO-certified processes and dedicated account support help clients streamline product development, optimize procurement, and scale manufacturing with confidence.
With a strong presence in Europe and its headquarters located in Bavaria Ottobrunn, Xometry Europe provides localized service while remaining connected to Xometry’s global platform. This combination of advanced digital infrastructure and extensive supplier network positions Xometry Europe as a trusted partner for precision, scalability, and speed in custom manufacturing.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Xometry Europe | 2013 | USA | CNC Machining, CNC Turning, CNC Milling, 3D Printing, Injection Molding, Sheet Metal, Laser Cutting, Water-jet Cutting, Plasma Cutting, On-demand Manufacturing | ISO Certified | xometry.eu |
3.Baker Industries
Founded in 1992 and headquartered in Macomb, Michigan, Baker Industries—now part of The Lincoln Electric Company—is a leading engineering and manufacturing partner known for tackling some of the world’s most complex, large-scale projects.
Baker provides an extensive range of services, including CNC machining, fabrication and welding, large-format metal additive manufacturing, automation and integration, design and engineering, assembly and finishing, quality inspection, and on-site installation.
With 250,000+ sq. ft. of advanced facilities, five campuses, and 250+ skilled team members, the company serves demanding industries such as aerospace, defense, space exploration, automotive, heavy equipment, shipbuilding, medical, and semiconductors.
Now under the Lincoln Electric umbrella, Baker combines its heritage of precision engineering with global resources, delivering innovation, efficiency, and trusted partnerships to customers worldwide.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Baker Industries (Lincoln Electric) | 1992 | Macomb, MI, USA | CNC Machining, Fabrication & Welding, Large-Format 3D Metal Printing, Automation & Integration, Design & Engineering, Assembly & Finishing, Inspection & Testing, On-Site Installation | ISO Certified | lincolnelectric.com |
4.Protolabs Network
Founded in 2014, Protolabs Network is a global digital manufacturing platform that connects customers with a vetted supply base of CNC machining, 3D printing, injection molding, and sheet metal partners. It complements Protolabs’ own automated factories, providing broader capacity, tighter tolerances, and competitive pricing.
Through its AI-powered instant quoting system, Protolabs Network delivers real-time pricing, design feedback, and lead times as fast as 1–5 business days. With access to 100+ materials and finishes, tolerances down to ±0.020 mm, and certified quality standards (ISO 9001, AS9100D), it supports industries such as aerospace, automotive, medical, consumer electronics, and robotics.
Trusted by 100,000+ businesses worldwide, including Airbus, Kepler, Philips, and DroneSeed, Protolabs Network enables faster prototyping, efficient scaling, and cost-effective production across global markets.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Protolabs Network | 2014 | Global (HQ in US; partners in EU, India, China) | CNC Machining, 3D Printing, Injection Molding, Sheet Metal, Rapid Prototyping | ISO 9001:2015, AS9100D | protolabs.com |
5. eMachineShop
Founded in 1999 and headquartered in Mahwah, New Jersey, eMachineShop is an innovative online CNC machining and custom manufacturing company. Unlike traditional machine shops, it offers an online platform where customers can upload CAD files or use its free CAD software to design, quote, and order parts instantly. This digital-first approach simplifies the process of creating both 2D sheet metal parts and 3D machined parts.
The company specializes in CNC turning, CNC milling, waterjet cutting, 3D printing, wire EDM, laser cutting, injection molding, compression molding, and a wide variety of secondary processes such as gear cutting, bending, grinding, threading, tapping, and prototyping. With 20+ years of expertise, eMachineShop has become a go-to choice for engineers, designers, and businesses seeking fast, economical, and precise parts manufacturing.
By combining cost-effective online tools with professional-grade production, eMachineShop bridges the gap between prototyping and production, making it a trusted partner for clients across automotive, aerospace, electronics, medical, and consumer product industries.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| eMachineShop | 1999 | Mahwah, NJ, USA | CNC Turning, CNC Milling, Waterjet Cutting, 3D Printing, Wire EDM, Laser Cutting, Injection Molding, Prototyping | N/A | emachineshop.com |
6. Empire Group
Founded in 1999 and headquartered in Attleboro, Massachusetts, Empire Group is a leading prototype and short-run manufacturer in the Mid-Atlantic region. The company specializes in high-complexity CNC machining, 3D printing, sheet metal fabrication, and full-service prototyping, with a strong focus on quick-turn, low-volume manufacturing.
Empire Group differentiates itself from typical mail-order parts bureaus by offering high-touch, one-off parts, prototypes, and integrated product development services. Its expertise spans engineering, mold & casting, urethane casting, thermoforming, SLA, MJF, FDM, DLP, injection molding, custom painting, and branding.
The company is certified under ISO 9001:2015, ISO 27001, and ITAR, ensuring quality, data security, and compliance for industries such as aerospace, defense, medical devices, and consumer products. With over 20 years of experience, Empire Group has built a reputation for integrity, ingenuity, and continuous improvement.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Empire Group | 1999 | Attleboro, MA, USA | CNC Machining, 3D Printing, Sheet Metal, Rapid Prototyping, Mold & Casting, Injection Molding, Urethane Casting, Thermoforming | ISO 9001:2015, ISO 27001, ITAR | empiregroupusa.com |
7. Buck’s CNC Machining
Founded in 2010 and headquartered in Heyburn, Idaho, Buck’s CNC Machining has grown from a garage-based startup with a single used wire EDM into a trusted CNC machine shop serving defense, aerospace, industrial, and technology sectors. With over a decade of steady investment in advanced equipment and skilled talent, the company combines small shop service with big shop capability.
Buck’s CNC offers a wide range of machining services including 3-, 4-, and 5-axis milling, CNC turning with Y-axis live tooling, surface grinding, EDM, and CMM inspection. It is equipped to handle complex, high-precision parts in steel alloys, stainless steel, aluminum, titanium, copper, brass, and engineering plastics. The shop also integrates 3D printing, computer modeling, and large-part turning capabilities, making it versatile enough for both prototyping and production runs up to 20,000 parts.
The company emphasizes innovation, tight tolerance machining (flatness and precision up to ±0.0004″), and creative problem-solving. Customers from defense contractors to tech companies consistently highlight Buck’s CNC’s quality, on-time delivery, and collaborative cost-saving design feedback.
With a reputation built on trust and customer partnerships, Buck’s CNC Machining has become a reliable partner for industries requiring precision, speed, and adaptability.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Buck’s CNC Machining | 2010 | Heyburn, Idaho, USA | CNC Milling (3-, 4-, 5-axis), CNC Turning, Surface Grinding, EDM, CMM Inspection, Large-Part Turning, 3D Printing, Prototyping & Production | N/A | buckscnc.com |
8. American Micro Industries
Founded in 1995 and based in Chambersburg, Pennsylvania, American Micro Industries (AMI) operates two divisions: Custom Components, providing CNC machining and contract manufacturing, and Soundproof Cow, focused on soundproofing solutions.
The company offers CNC machining, die cutting, laser cutting, plastic machining, and prototyping, specializing in electrical insulation materials such as G10/FR4, fish paper, polyimide, and neoprene. With no minimum order requirements and flexible tooling options, AMI supports both prototyping and large-scale production across aerospace, defense, automotive, medical, and electronics industries.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| American Micro Industries | 1995 | Chambersburg, PA, USA | CNC Machining, Die Cutting, Laser Cutting, Electrical Insulation Materials, Prototyping | BBB Accredited, Veteran Founded | americanmicroinc.com |
9. Advance CNC Machining
Founded in 2000 and headquartered in Ohio with facilities in Grove City (Columbus) and West Chester (Cincinnati), Advance CNC Machining is a high-volume precision machine shop specializing in automated, lights-out CNC production. The company is known for delivering high accuracy, fast lead times, and competitive pricing, particularly in aluminum machining.
Advance CNC operates state-of-the-art Makino 4- and 5-axis machining centers, capable of cutting complex parts with up to 84% reduced cycle times. Services include CNC milling, CNC turning, reverse engineering, part design for manufacturability, and 24/7 industrial repair. The shop also offers just-in-time delivery programs and stocking services to ensure parts are always available when needed.
With ISO certification and ITAR registration, Advance CNC serves aerospace, automotive, defense, medical, and industrial sectors. Its long-term partnership with Makino underscores its commitment to precision, innovation, and reliability.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Advance CNC Machining | 2000 | Grove City & West Chester, OH, USA | CNC Milling & Turning, 5-Axis Machining, Automated Production, Reverse Engineering, Part Repair | ISO Certified, ITAR Registered | advancecnc.com |
10. Adroit Manufacturing
Adroit Manufacturing is an ISO 9001:2015 certified U.S.-based contract manufacturer specializing in CNC machining, casting, forging, fabrication, and mechanical assembly. Headquartered in Waukesha, Wisconsin, the company also operates a fully integrated sister facility in Ahmedabad, India, enabling seamless global sourcing, cost reduction, and shorter lead times.
Adroit follows a structured project management approach—covering feasibility studies, contract finalization, prototyping, mass production, and quality control under APQP/PPAP standards. Their manufacturing process includes tight in-process controls, final inspection, and free material certifications to ensure compliance with international standards.
Key advantages include up to 35% cost reduction, no upfront payment for sample parts, Kanban-based inventory management, and guaranteed on-time delivery. This dual-facility model allows Adroit to combine U.S.-based quality with India-based cost efficiency, making it a trusted partner for companies seeking precision, value, and reliability.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Adroit Manufacturing | — | Waukesha, WI, USA & Ahmedabad, India | CNC Machining, Casting, Forging, Fabrication, Mechanical Assembly, Saw Cutting, Value-Added Services | ISO 9001:2015 | adroitmanufacturing.com |
11. Precision Metal Industries (PMI)
Founded over 30 years ago and headquartered in Pompano Beach, Florida, Precision Metal Industries (PMI) is a leading provider of precision sheet metal fabrication and custom assembly manufacturing. The company serves demanding industries such as defense, medical, avionics, electronics, and energy, delivering highly engineered enclosures, cabinets, containers, and complex hardware.
PMI is recognized for its continuous improvement culture, keeping it in the top 1% of the industry. Recently, PMI expanded its CNC machining capabilities, investing over $500K in new CNC machinery to strengthen its comprehensive metalworking services.
By emphasizing early supplier involvement and strong supply chain management, PMI helps clients reduce costs, improve assembly quality, and ensure timely delivery. Its combination of advanced equipment, engineering expertise, and long-standing industry reputation makes PMI a trusted U.S. fabrication partner.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Precision Metal Industries (PMI) | ~1990s | Pompano Beach, FL, USA | Precision Sheet Metal Fabrication, CNC Machining, Custom Enclosures & Assemblies | — (ISO likely, not listed explicitly) | pmifab.com |
12. The Federal Group USA (TFG USA)
Founded in 1980 and headquartered in Bingham Farms, Michigan, The Federal Group USA (TFG USA) is a contract manufacturer specializing in metalwork and precision-engineered components. With over 40 years of experience, the company supports industries such as automotive, aerospace, defense, electronics, and consumer products.
TFG USA offers a broad range of capabilities including precision CNC machining, screw machining, cold heading, custom fasteners, metal stamping, forging, fabrication, and aluminum die casting. The company also provides engineering design support, prototyping, and global supply chain management services, backed by an extensive international manufacturing network.
Certified under ISO 9001 and continuously improving through strict quality management, TFG USA ensures that all products meet or exceed industry standards. Its focus on cost-effective solutions, strong communication, and supply chain reliability makes it a trusted partner for clients ranging from startups to Fortune 500 companies.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| The Federal Group USA (TFG USA) | 1980 | Bingham Farms, MI, USA | CNC Machining, Screw Machining, Cold Heading, Custom Fasteners, Stamping, Forging, Fabrication, Die Casting | ISO 9001 Certified | tfgusa.com |
13. Metro Steel USA
Founded over 100 years ago and headquartered in Central Florida, Metro Steel USA is a leading provider of custom steel, stainless steel, and aluminum fabrication. The company operates a 200,000 sq. ft. processing and distribution center equipped with state-of-the-art technology to serve OEMs and fabricators across aerospace, transportation, construction, and heavy equipment industries.
Metro Steel specializes in CNC machining, CNC bending, CNC saw cutting, heavy fabrication, laser cutting, plasma cutting, plate rolling, robotic welding, and tube laser cutting. Its advanced systems include the TruLaser Tube 7000 fiber, offering Industry 4.0-ready precision and efficiency for steel tube fabrication.
Certified by the American Institute of Steel Construction (AISC) and Orion Registrar, Inc., Metro Steel USA is recognized for quick turnaround, high quality, and reliable logistics. With its in-house fleet of semi-trucks, the company provides seamless distribution and supply chain support for clients nationwide.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Metro Steel USA | ~1920s | Central Florida, USA | CNC Machining, CNC Bending, Heavy Fabrication, Laser/Plasma Cutting, Tube Laser Cutting, Welding, Steel Distribution | AISC Certified, Orion Registrar Certified | metrosteelusa.com |
14. United CNC Machining
Founded in 1979 and headquartered in Auburn Hills, Michigan, United CNC Machining is a leading U.S. precision machining company specializing in multi-axis and 5-axis CNC machining. With more than 45 years of experience and 50+ advanced CNC work centers, the company delivers high-precision solutions for industries requiring complex and critical components.
United CNC is recognized as an exotic alloy specialist, serving aerospace, defense, medical, and advanced manufacturing markets. Its expertise covers 5-axis CNC milling, multi-axis turning, prototyping, and limited production runs. The company’s culture emphasizes precision, engineering innovation, and transparency to exceed client expectations.
Certified to AS9100D, ISO, ITAR, and CMMC 2.0, United CNC Machining is trusted by America’s leading primes for mission-critical projects. With strong growth projections and a highly skilled team, it continues to play a vital role in advancing U.S. precision manufacturing.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| United CNC Machining | 1979 | Auburn Hills, MI, USA | 5-Axis CNC Milling, Multi-Axis Turning, Exotic Alloy Machining, Prototyping, Limited Production | AS9100D, ISO, ITAR, CMMC 2.0 | unitedcncmachining.com |
15. Beltim & Associates LLC
Founded in 2014 and headquartered in Silicon Valley, California, Beltim & Associates LLC is a precision manufacturing company specializing in prototyping and low-volume production. The company was established by Ioan Dumitriu, a mechanical engineer with over 30 years of machining and fabrication experience in the Bay Area.
Beltim offers a one-stop shop solution with services including CNC machining, sheet metal fabrication, 3D printing, laser & waterjet cutting, EDM, injection molding, and precision metal stamping. Its integrated approach allows clients to streamline prototyping, testing, and small-batch production under one roof.
Known for its fast lead times, outstanding quality, and responsive service, Beltim is a trusted supplier for leading tech and R&D companies, including Semicore Equipment, Harmonic Inc., Juniper Networks, Molecular Devices, and Turntide Technologies. The company emphasizes flexibility, customer service, and competitive pricing, making it a go-to partner in Silicon Valley’s innovation ecosystem.
| Company Name | Founded | Location | Specialties | Certifications | Website |
| Beltim & Associates LLC | 2014 | Silicon Valley, CA, USA | CNC Machining, Sheet Metal Fabrication, 3D Printing, Laser/Waterjet Cutting, EDM, Injection Molding, Precision Metal Stamping | N/A | beltim-usa.com |
Top 15 CNC & Manufacturing Companies in USA
I created this list of the Top 15 CNC & Manufacturing Companies in USA for 2025 to help you quickly identify the right partner without endless research. Each entry includes founding year, location, specialties, certifications, and website—so you can compare at a glance, whether you need prototyping, high-volume production, or specialized machining services.
| # | Location | Company Name | Founded | Specialties | Certifications | Website |
| 1 | Maple Plain, MN | Protolabs | 1999 | CNC Machining, Injection Molding, 3D Printing, Sheet Metal, Prototyping | ISO Certified | protolabs.com |
| 2 | Munich, Germany (Global Ops in US) | Xometry Europe | 2013 | CNC Machining, CNC Turning, Milling, 3D Printing, Sheet Metal, On-demand Manufacturing | ISO Certified | xometry.eu |
| 3 | Macomb, MI | Baker Industries (Lincoln Electric) | 1992 | CNC Machining, Welding, Large-Format 3D Metal Printing, Automation, Assembly | ISO Certified | lincolnelectric.com |
| 4 | Global (HQ in US) | Protolabs Network | 2014 | CNC Machining, 3D Printing, Injection Molding, Sheet Metal, Rapid Prototyping | ISO 9001, AS9100D | protolabs.com |
| 5 | Mahwah, NJ | eMachineShop | 1999 | CNC Turning & Milling, Waterjet, Wire EDM, Laser Cutting, 3D Printing, Prototyping | N/A | emachineshop.com |
| 6 | Attleboro, MA | Empire Group | 1999 | CNC Machining, 3D Printing, Sheet Metal, Mold & Casting, Thermoforming, Prototyping | ISO 9001, ISO 27001, ITAR | empiregroupusa.com |
| 7 | Heyburn, ID | Buck’s CNC Machining | 2010 | CNC Milling (3-, 4-, 5-axis), CNC Turning, EDM, Surface Grinding, CMM Inspection, 3D Printing | N/A | buckscnc.com |
| 8 | Chambersburg, PA | American Micro Industries | 1995 | CNC Machining, Die Cutting, Laser Cutting, Electrical Insulation Materials, Prototyping | BBB Accredited, Veteran Founded | americanmicroinc.com |
| 9 | Grove City & West Chester, OH | Advance CNC Machining | 2000 | CNC Milling & Turning, 5-Axis Machining, Automated Production, Reverse Engineering | ISO Certified, ITAR Registered | advancecnc.com |
| 10 | Waukesha, WI & Ahmedabad, India | Adroit Manufacturing | — | CNC Machining, Casting, Forging, Fabrication, Mechanical Assembly, Value-Added Services | ISO 9001:2015 | adroitmanufacturing.com |
| 11 | Pompano Beach, FL | Precision Metal Industries (PMI) | ~1990s | Precision Sheet Metal Fabrication, CNC Machining, Custom Enclosures & Assemblies | — (likely ISO) | pmifab.com |
| 12 | Bingham Farms, MI | The Federal Group USA (TFG USA) | 1980 | CNC Machining, Screw Machining, Cold Heading, Stamping, Forging, Die Casting | ISO 9001 Certified | tfgusa.com |
| 13 | Central Florida | Metro Steel USA | ~1920s | CNC Machining, Bending, Heavy Fabrication, Laser/Plasma Cutting, Tube Laser Cutting | AISC, Orion Certified | metrosteelusa.com |
| 14 | Auburn Hills, MI | United CNC Machining | 1979 | 5-Axis CNC Milling, Multi-Axis Turning, Exotic Alloy Machining, Prototyping | AS9100D, ISO, ITAR, CMMC 2.0 | unitedcncmachining.com |
| 15 | Silicon Valley, CA | Beltim & Associates LLC | 2014 | CNC Machining, Sheet Metal, 3D Printing, Laser/Waterjet, EDM, Injection Molding | N/A | beltim-usa.com |
About TiRapid
During my research with these USA CNC machining companies, I became more aware of clients’ core concerns regarding delivery time, precision, and cost control. In fact, in addition to local suppliers, more and more companies are considering global supply chains to obtain more cost-effective manufacturing solutions.
As a long-standing CNC machining manufacturer serving European and American clients, TiRapid specializes in rapid prototyping, low-volume production, and complex part machining, covering both metal and plastic materials, with machining accuracy as low as ±0.01 mm. We are equipped with advanced 3-, 4-, and 5-axis machining centers and can provide surface treatment services such as anodizing, electroplating, and sandblasting upon request, helping clients quickly transition from prototyping to mass production.
What makes us stand out is our ability to manufacture:
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5-Axis CNC Machining
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Ultra-flat plate parts
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High-precision plastic parts
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Micro components
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Extra-large parts
If you are looking for a competitive CNC machining partner, please feel free to contact us for a prototype or quote.
| Company Name | Founded | Location | Specialties | Certifications | Website |
|---|---|---|---|---|---|
| TiRapid | 2017 | Zhongshan, Guangdong, China | 5-axis machining, ultra-flat plates, plastics, micro parts, large-size parts, prototyping | ISO 9001, RoHS | www.tirapid.com |
Conclusion
These 15 CNC machining companies highlight the best of American manufacturing. Yet, for businesses seeking faster turnaround and more competitive pricing without compromising quality, TiRapid is a trusted global partner. With advanced 3-, 4-, and 5-axis machining, surface finishing options, and proven experience serving European and American clients, TiRapid bridges the gap between local reliability and international cost-efficiency.
