Cnc Machining Suppliers in United States

American Axle & Manufacturing (AAM) is a US Tier-1 drivetrain supplier that includes e-mobility drive units and precision-forging capabilities. Headquartered in Detroit, AAM operates 75 facilities in 16 countries. Its IATF 16949-certified operations deliver integrated electric powertrain solutions and metal-formed components for OEMs worldwide, leveraging vertical integration (forging to assembly) and a broad global footprint.

Ryobi Die Casting USA Inc. is a premier manufacturer of aluminum die cast components and assemblies for the automotive industry. As part of the global Ryobi Group with origins dating back to 1943, they combine Japanese manufacturing excellence with American innovation to deliver lightweight, high-integrity die castings. Their advanced facility in Shelbyville, Indiana utilizes cutting-edge technologies including ultra-high-pressure die casting machines up to 4,000 tons. Ryobis vertically integrated approach encompasses engineering support, die casting, machining, and assembly with a focus on powertrain, structural, and EV components. Their commitment to continuous improvement and technical innovation makes them a trusted partner for automotive OEMs seeking quality and reliability.

Sinotech Co., founded in 1983, is a US manufacturer of shafts for electric motors and other precision components. It uses cold-rolled steel and CNC gear hobbing/grinding to produce high-precision shafts. The ISO 9001 and IATF 16949-certified company focuses on JIT delivery for automotive customers and can make shafts up to 2-5/8" diameter.

U.S. Tier-1 supplier specializing in precision axle components – including hubs, flanges, differential cases and housings – for automotive and EV drivetrains. Over 40 years’ experience delivering high-volume, tight-tolerance machining and assembly solutions. IATF 16949-certified and renowned for quality and design collaboration expertise.

Family-owned American gear job shop specializing in custom spur, helical, and bevel gears for automotive racing, military, and industrial applications. B&R offers quick-turn manufacturing of precision gears (up to AGMA Q15) in small batches. Known for supporting NASCAR and NHRA teams with high-performance transmission and rear-end gears, the ISO 9001-certified shop combines modern CNC machining with skilled craftsmanship honed since 1974.

Pace Industries is North Americas leading full-service aluminum, zinc, and magnesium die casting company with 11 divisions strategically located across the US and Mexico. With over 80 years of experience, Pace provides comprehensive solutions from design and engineering through final assembly. Their vertically integrated approach includes state-of-the-art technologies in die casting, machining, finishing, and assembly, serving industries from automotive to defense with exceptional quality standards. Paces commitment to innovation, sustainability, and customer satisfaction ensures they deliver high-quality components that meet precise specifications.

Electron Energy Corporation (EEC) is an expert developer and leading American producer of rare earth magnets and assemblies. Founded in 1970, EEC pioneered samarium-cobalt magnet technology for high-performance aerospace and defense applications. The company operates two facilities in Pennsylvania totaling 84,800 sq. ft., where it produces SmCo and NdFeB magnets, custom magnetic assemblies, and transformer components. EEC’s vertically integrated capabilities include in-house alloy development, casting/sintering, precision CNC machining, and rigorous testing to meet the most demanding specifications. Its magnets power mission-critical systems like fighter jet actuators, guided missiles (e.g. Patriot), UAVs, and naval reactors. With a staff of about 130 and ITAR-compliant processes, EEC serves as a virtual “in-house” magnet technology partner to major military, aerospace, medical, and oil exploration customers. The company’s long history of innovation and quality ensures reliable magnet solutions for extreme environments and exacting standards.

Autocast Inc. is a premier aluminum casting manufacturer with over 50 years of innovation in the automotive industry. The company specializes in high-quality aluminum components utilizing permanent mold and low-pressure casting technologies, offering comprehensive services from design to delivery. With cutting-edge equipment and technological expertise, Autocast delivers consistent quality and precision for complex projects. Their dedicated team provides personalized customer service, flexible production capabilities, and competitive lead times, making them a reliable partner for automotive OEMs and Tier 1 suppliers seeking excellence in aluminum casting solutions.

U.S. manufacturer of precision custom gears and gear shafts since 1969. Bendon Gear & Machine produces spur, helical, worm, and bevel gears in small-to-medium batches for automotive aftermarket, machinery, and gearboxes. Known for quick turnaround and personal service, Bendon Gear is ISO 9001 certified and employs skilled machinists to fabricate gears up to 36” diameter. It supplies performance car builders and industrial clients with high-quality gearing, including hardened and ground gears made to print.

Metallics is a specialized manufacturer of precision zinc die castings, aluminum die castings, and powder metal components serving diverse industries for over 50 years. Their comprehensive capabilities include die casting, CNC machining, powder metallurgy, custom tooling, and value-added secondary operations delivered from their facility in Geneva, Indiana. Metallics combines technical expertise with modern production equipment to produce complex components that meet demanding quality requirements. Their vertically integrated approach encompasses project management, engineering support, production, finishing, and assembly, providing customers with complete manufacturing solutions. Metallics focus on quality, continuous improvement, and customer satisfaction has established them as a reliable partner for precision metal components ranging from prototypes to high-volume production runs. Their experienced team works closely with customers to optimize designs for manufacturability and cost-effectiveness.

Gibbs Die Casting Corporation is a leading aluminum die casting specialist with over 50 years of expertise in delivering high-quality automotive components. Their vertically integrated approach encompasses the entire manufacturing process from tool design to final assembly, ensuring superior quality control and streamlined production. Operating six manufacturing facilities across North America, Gibbs combines advanced automation with skilled craftsmanship to produce complex aluminum components with exceptional precision and consistency. Their engineering team specializes in lightweighting solutions for automotive applications, helping OEMs meet stringent efficiency standards without compromising performance. With a customer-focused approach and commitment to continuous improvement, Gibbs has established itself as a trusted partner for global automotive manufacturers seeking innovative aluminum casting solutions.

Millat Industries stands as a premier supplier of precision machined components and assemblies for the transportation, aerospace, and defense sectors since 1965. The company excels in high-precision CNC machining, grinding, and assembly, specializing in complex powertrain, chassis, and safety system components. With vertically integrated operations including design engineering support, Millat offers comprehensive manufacturing solutions from prototyping through high-volume production. Their advanced automation systems and process controls ensure consistent quality while driving cost efficiency. Millats technical expertise, flexibility, and customer-focused approach have earned them long-standing relationships with major OEMs and Tier 1 suppliers, positioning them as a valued partner in critical manufacturing supply chains.

Integrated Magnetics (a division of ITG) is a pioneer in custom magnetics with over 60 years of expertise. Established in 1955, Integrated Magnetics specializes in design-to-specification and build-to-print permanent magnets, precision magnetic assemblies, and custom electro-mechanical components. They provide end-to-end solutions from prototype to volume production, with in-house design engineering (FEA modeling, magnetic circuit design) and world-class manufacturing (magnet fabrication, machining, clean-room assembly). With facilities in the US and Mexico, Integrated Magnetics delivers complex turnkey magnetic solutions for aerospace, defense, medical, and industrial applications worldwide. Buyers value their technical excellence, ISO 9001-certified quality, and collaborative approach to solving the most challenging magnet and motor design problems.

Waupaca Foundry is North Americas leading supplier of iron castings, producing over 1.5 million tons annually across seven foundries. Since 1955, they have specialized in gray, ductile, and austempered ductile iron castings ranging from ounces to 250 pounds. As a Hitachi Metals Group company, Waupaca combines innovative technologies with metallurgical expertise to deliver superior quality components for automotive, agriculture, construction, and industrial sectors. Their vertically integrated operations include pattern design, melting, molding, core making, finishing, machining, and assembly. Waupacas commitment to advanced manufacturing processes, environmental sustainability, and continuous improvement has established them as the supplier of choice for complex iron castings requiring exceptional dimensional accuracy and material properties.

Eck Industries is a leading aluminum casting specialist with over 75 years of experience in developing high-performance components for aerospace, defense, automotive, and energy sectors. Their technical expertise in casting complex, high-integrity aluminum components has established them as the go-to foundry for challenging applications requiring exceptional material properties. Utilizing permanent mold, sand casting, and investment casting processes, Eck produces components ranging from a few ounces to over 200 pounds with exceptional dimensional accuracy. Their vertically integrated facility houses comprehensive metallurgical laboratories, pattern shops, and machining capabilities, enabling end-to-end project management. Ecks innovation in developing proprietary aluminum alloys with enhanced strength, thermal properties, and corrosion resistance has positioned them at the forefront of lightweight material advancement for demanding applications where performance cannot be compromised.

A leading U.S. producer of spiral bevel gears, helical gears, and pinions for aerospace, automotive and industrial powertrains since 1947. Arrow Gear’s 140,000 sq.ft. facility near Chicago is AS9100 and ISO/IATF certified, offering complete design-to-build services. In automotive, Arrow Gear supplies high-precision ring & pinion sets and transmission gears for performance and luxury vehicle programs, recognized for outstanding quality and heat-treat expertise.

Empire Die Casting Company has been a cornerstone of American die casting excellence since 1946, specializing in high-pressure aluminum and zinc die casting with state-of-the-art facilities, precision machining capabilities, and comprehensive secondary operations, delivering superior quality castings to automotive, industrial, and consumer markets with our commitment to innovation, lean manufacturing principles, and customer satisfaction that positions us as your ideal manufacturing partner for complex die cast components.

U.S. precision machining specialist focusing on differential housings and driveline components since 1948. Multi-generation family business known for large-diameter gear and component expertise. Delivers medium- to high-volume production of cast and forged parts (differential cases, yokes, transmission components) with IATF 16949 quality and in-house engineering and assembly capabilities.

Die-Matic Corporation, is located outside of Cleveland, Ohio in Brooklyn Heights. Our metal stamping and assembly capabilities are unmatched, offering standard and custom metal stamping services, prototyping, tool & die manufacturing, and more. We are an IATF 16949:2209 certified shop.

Dirksen Screw Products Co., founded in 1939, is a US manufacturer of cold-formed and precision-machined components for automotive applications. The ISO 9001 and IATF 16949-certified company leverages decades of experience and advanced inspection systems to meet OEM quality requirements. Customers value Dirksen’s expertise in producing tight-tolerance shafts (up to 2-5/8" diameter) with competitive pricing.

Chicago White Metal Casting has been delivering premier die casting solutions since 1937, specializing in aluminum, magnesium, and zinc die cast components with exceptional precision and quality. Their comprehensive capabilities encompass engineering support, tooling development, die casting, machining, finishing, and assembly, providing customers with turnkey manufacturing solutions. CWMs technical expertise and advanced equipment enable them to produce complex, tight-tolerance components for demanding applications in automotive, medical, electronics, and industrial markets. Their commitment to engineering excellence, process innovation, and collaborative problem-solving has established them as a valued partner for OEMs seeking lightweight, high-performance components. With an unwavering focus on quality, competitive pricing, and on-time delivery, CWM continues to set industry standards for custom die cast components.

Family-owned axle shaft manufacturer with nearly a century of forging expertise. Supplies major OEMs (Ford, GM, Chrysler, Dana) with high-strength, fatigue-resistant semi-float and full-float axle shafts. IATF 16949-certified, combining tradition and innovation to deliver durable, efficient drivetrain components at scale.

Grede is a leading manufacturer of highly engineered cast and machined iron components with a rich heritage dating back to 1920. As one of the largest iron casting suppliers in North America, they produce over 350,000 tons annually of ductile, gray, and specialty iron castings for safety-critical automotive and industrial applications. Gredes comprehensive capabilities span design assistance, pattern making, casting, heat treating, machining, and assembly, delivered through nine manufacturing facilities. Their technical expertise in metallurgy and innovative production techniques enables complex, lightweight castings that help customers meet challenging performance requirements. Gredes commitment to quality, operational excellence, and continuous improvement has established them as a trusted partner for OEMs seeking durable, cost-effective iron components that withstand the most demanding operating conditions.

Twin City Die Castings Co. is a premier aluminum and magnesium die casting manufacturer with over 100 years of expertise serving critical industries. Founded in 1919, TCDC has evolved into a technically advanced supplier providing full-service solutions from engineering and design through finishing and assembly. Their capabilities span from prototype to high-volume production, utilizing sophisticated equipment including die casting machines from 400 to 1,600 tons. TCDCs dedication to innovation, quality, and collaborative engineering enables them to deliver complex components that meet demanding specifications. Their ISO and IATF certified operations in Minnesota and South Dakota combine cutting-edge technology with traditional craftsmanship to create value-added solutions for medical, defense, automotive, and industrial applications.

Ellwood Group Inc. (founded 1910) is a US heavy forging and foundry company producing large-diameter shafts and motor/generator components. It holds ISO/TS 16949 certification and can forge shafts up to 18" diameter and 168" length. With ~1,500 employees (10,001+ worldwide) and $250M annual sales, Ellwood supports high-volume production for OEMs requiring robust, precision shafts.

PHB Inc. is a globally recognized leader in custom metal components and assemblies with over 100 years of innovative manufacturing experience. Specializing in precision engineered solutions through die casting, metal injection molding, and CNC machining, the company delivers high-quality, cost-effective components to diverse industries including automotive, aerospace, and industrial markets. PHBs vertically integrated capabilities encompass design, tooling, and production, offering customers a seamless experience from concept to completion. With state-of-the-art facilities and advanced technological capabilities, PHB consistently meets stringent quality standards while maintaining exceptional customer service and on-time delivery performance.