In the fast-paced automotive industry, choosing the right casting suppliers and manufacturers is vital for producing high-quality components. Automotive industry professionals, including engineers, designers, and product managers, rely on the expertise and capabilities of trusted suppliers to provide top-notch casted parts.

This comprehensive guide explores the USA’s top 5 automotive casting suppliers and manufacturers. Also focuses on their specialties, track records, and why they are the preferred choice for automotive professionals seeking high-quality casting components.

Know About Automotive Casting Suppliers

+1 (480) 559-9384

Zetwerk provides high-quality Automotive Casting Components and all secondary operations.

Submit the relevant part drawings, 3D files, and other information by clicking on the button below.

Get a Quote

Why it’s Important to Choose the Right Automotive Casting Suppliers and Manufacturers

  • Choosing the right casting suppliers and manufacturers is significant in the automotive industry. Right supplier analysis and onboarding are essential to producing automotive components, impacting their quality, durability, and performance. High-quality molds contribute to critical automotive parts’ precision, strength, and reliability. Partnering with reputable suppliers ensures consistency in the manufacturing process, reduces the risk of defects, and enhances overall product quality.
  • Automotive professionals understand that subpar casting molds can lead to quality defects, production delays, compromised safety standards, and increased costs. Maintaining a competitive edge in the automotive market necessitates collaboration with trusted casting suppliers and manufacturers.

Top 5 Automotive Casting Suppliers and Manufacturers in the USA


Zetwerk is a leading manufacturing company that produces casting products for engineering, infrastructure, energy, automotive, and aerospace. Its highly skilled tool designers deliver custom-designed die-cast components without any hassle. Based on various parameters like annual volume, part size, weight, geometry, and surface finish, Zetwerk advises customers to select the perfect casting process.

Its array of offerings includes High Pressure Die Casting (HPDC), Low-Pressure Die Casting (LPDC) and Gravity Die Casting (GDC) for different material selections, including aluminum alloys, zinc alloys, brass, copper, and magnesium. Zetwerk’s commitment to quality assurance and rigorous production criteria is a major strength of the company.

The organization has a thorough procedure for manufacturing and supply chain to ensure unmatched customer satisfaction. This organization is able to provide its customers with dependable and high-performing goods thanks to the company’s dedication to quality. Some critical materials handled by Zetwerk are:

  • Aluminum Casting
  • Copper Alloy Casting
  • Grey Iron Casting
  • Ductile Iron casting for 200kg rail gearbox housings with Grade 1 x-ray soundness requirements
  • Low-Alloy Steel Casting
  • Various Alloy Casting that includes 304 and 316 stainless, high nickel alloys for power generation castings

Martinrea International

Martinrea International is a renowned automotive casting manufacturer that excels in advanced aluminum and magnesium casting solutions. Their diverse product portfolio includes powertrain, chassis, and structural components. They are experienced in light-weight low-pressure die-casting products for engines of sedan, and hypercars.

With a global presence and state-of-the-art facilities, Martinrea International is well-positioned to meet the demanding requirements of the automotive industry. Their collaborative approach and commitment to technological advancement have made them a preferred choice for automotive manufacturers seeking high-quality casting process.

Mercury Marine

Mercury Marine, part of Brunswick Corporation, is renowned for its aluminum and steel casting excellence. They offer various casting solutions for the automotive industry, including engine blocks, cylinder heads, transmission cases, and more.

Mercury Marine’s dedication to precision and performance has earned them a strong reputation in the automotive sector. They produce the most complex boat propellers made of steel, aluminum, and alloys. They leverage their extensive experience and cutting-edge manufacturing techniques to deliver high-quality casting parts.

Gibbs Die Casting Corporation

Gibbs Die Casting Corporation has a long-standing history of serving the automotive industry with its expertise in aluminum die casting. They provide comprehensive casting solutions for various automotive applications, including powertrain components, suspension systems, and structural parts.

Gibbs Die Casting Corporation’s commitment to continuous improvement and customer satisfaction has established them as a trusted partner for automotive manufacturers in the USA. They prioritize quality control measures to ensure the production of reliable and precise casting parts.

Metal Technologies Inc.

Metal Technologies Inc. is a leading supplier of complex aluminum and magnesium castings for the automotive industry. They produce high-quality casting parts for critical applications such as engines, drivelines, and structural components.

With advanced technologies and extensive expertise, Metal Technologies Inc. caters to the unique needs of automotive manufacturers. Their commitment to innovation, continuous improvement, and adherence to stringent quality standards have earned them a strong position in the market.

Automotive casting parts

Tips for Selecting the Right Automotive Casting Supplier or Manufacturer

  • Selecting the right automotive casting supplier or manufacturer requires careful consideration and evaluation. Assessing the supplier’s capabilities, expertise, production capacity, and technological advancements is crucial. Compatibility with specific casting needs and the ability to offer customized solutions are essential factors.
  • Negotiating contracts, pricing, and terms ensure a mutually beneficial partnership. Clear communication channels and responsiveness are key to establishing effective collaboration. Automotive professionals should also emphasize the importance of ongoing feedback and continuous improvement initiatives to drive innovation and enhance product quality.

Evaluating the Performance of Automotive Casting Suppliers and Manufacturers

  • Evaluating the performance of automotive casting manufacturers is crucial to ensure successful collaborations. Metrics such as quality control processes, certifications, production capacity, technological capabilities, and customer satisfaction must be assessed. Reliable suppliers maintain robust quality control processes that adhere to industry standards and consistently deliver high-quality casting molds.
  • Customer satisfaction can be evaluated through references and testimonials from previous clients, showcasing their positive experiences with the supplier. By conducting thorough evaluations, automotive professionals can identify suppliers that align with their quality, capacity, and technical requirements.

Key Takeaways

In the competitive automotive industry, selecting the right casting manufacturer is paramount for delivering high-quality components. Automotive professionals can make informed decisions by considering factors such as quality, pricing, production capabilities, delivery times, and customer support.

These manufacturers have shown expertise, innovation, and commitment to producing high-quality casting molds that meet automotive industry standards. To explore the wide range of manufacturing and solutions, including automotive casting Molds, visit Zetwerk. Zetwerk is a leading manufacturing platform that connects businesses with top-tier suppliers, enabling seamless production and supply chain management.

Get a Quote


Quality control is an integral part of production for the best American automotive casting suppliers. Typical examples of their rigorous quality control procedures include,
Using stringent inspection processes and detecting potential flaws or inconsistencies through the use of cutting-edge testing methods

The top five automobile casting suppliers in the United States can manage massive quantities of manufacturing. They have sophisticated production facilities that are stocked with cutting-edge machinery and automated technologies for mass-producing car castings.

This blog highlights the top 5 suppliers known for their high-quality casting products and expertise in the automotive industry. By choosing these reputable manufacturers, you can ensure the production of reliable and durable automotive components that meet your specific requirements.

Define requirements, research and shortlist suppliers, request proposals, evaluate capabilities, conduct site visits, consider relationships, and make an informed decision based on factors like quality, cost, scalability, and communication.