Automotive Components 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.

Condumex Inc. (est. 1987) is the US marketing/sales arm of Grupo Condumex, supplying high-quality cables and magnet wires designed to meet or exceed industry standards. Headquartered in Texas with branches across the U.S., Condumex provides localized distribution and support for Grupo Condumex’s products in the automotive, construction, energy and infrastructure markets. They focus on service, inventory, and custom solutions to deliver the right winding and power cables on time.

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.

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.

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.

Rea Magnet Wire provides advanced magnet wire solutions that “power what’s next” in automotive, energy and industrial applications. Dedicated to innovation and quality, Rea’s products deliver high performance and reliability for EV motors and other demanding uses. With a heritage of innovation and an unwavering commitment to integrity and customer responsiveness, Rea is a trusted supplier of magnet wire to OEMs worldwide.

Essex Solutions is a leading global supplier of magnet wire used by most major OEMs, Tier 1s and industry leaders in the automotive, energy, industrial and residential sectors. They manufacture the world’s most reliable magnet wire and winding wire, earning their status as the key provider for OEMs in automotive and energy applications. With a heritage since 1930 and multiple plants worldwide, Essex is known for innovation, high quality and strong customer relationships, especially in EV traction motor 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.