The automotive parts manufacturing industry in Michigan plays a crucial role in the broader automotive sector, known for crafting essential components that enhance vehicle performance and safety. Comprising OEMs and Tier suppliers, this industry produces a wide range of products, from driveline systems to electronic components. Innovation drives the market, with companies exploring lightweight materials and advanced manufacturing techniques to meet the evolving demands of electric and hybrid vehicles. Michigan's workforce is fueled by a legacy of automotive excellence, making it a pivotal hub as the industry shifts towards sustainability and electrification, meeting both regulatory and consumer expectations.

This list highlights 20 prominent automotive parts manufacturing companies located in Michigan, showcasing a mix of established firms and newer entrants. Ranging from small entities with a couple of hundred employees to large corporations exceeding 10,000, these firms were founded between 1910 and 2013. They specialize in various automotive components, including electrical systems, safety parts, lightweight structures, and innovative interior/exterior designs. Many operate with a global strategy, reflecting the industry’s connectivity and emphasis on agile manufacturing techniques. Headquarters scattered across Michigan cities exemplify the state’s robust automotive legacy and ongoing innovation.

Continue reading to explore top automotive parts manufacturing companies in Michigan.

Top 20 Automotive Parts Manufacturing Companies in Michigan

1. Flex-N-Gate

• Website: flex-n-gate.com
• Ownership type: Private
• Headquarters: Warren, Michigan, United States (USA)
• Employee distribution: United States (USA) 49%, Canada 17%, Mexico 15%, Other 19%
• Founded year: 1956
• Headcount: 10001+
• LinkedIn: flex-n-gate

Flex-N-Gate, based in Warren, Michigan, is an automotive parts manufacturer that has been operational since 1956. The company specializes in innovative automotive systems, producing high-quality components such as bumpers and mechanical assemblies for major automotive manufacturers. With a workforce exceeding 10,000 employees, Flex-N-Gate operates globally, with significant facilities in the United States, Canada, Mexico, France, and Spain. The company is dedicated to sustainability and continuous improvement, striving to reduce its carbon footprint while delivering defect-free products. Flex-N-Gate has a strong focus on research and development, with multiple R&D centers that support their commitment to innovation in the automotive sector. Their recent collaborations with clients like IVECO highlight their ability to meet complex technical challenges and customer expectations, further solidifying their position in the automotive parts manufacturing industry.

2. Inteva Products

• Website: intevaproducts.com
• Ownership type: Corporate
• Headquarters: Troy, Michigan, United States (USA)
• Employee distribution: United States (USA) 30%, India 28%, Mexico 28%, Other 14%
• Latest funding: $755.0M, May 2019
• Founded year: 2008
• Headcount: 5001-10000
• LinkedIn: inteva-products-llc

Inteva Products is an automotive supplier based in Troy, Michigan, specializing in engineered components and systems for the automotive industry. Established in 2008, the company has quickly made a name for itself by providing a variety of products, including Closure Systems, Interior Systems, and Motors & Electronics. Inteva serves more than 100 global and regional automakers, showcasing its extensive reach and influence in the automotive sector. The company emphasizes innovation and quality, with a commitment to meeting the high standards required in the industry. Inteva's advanced manufacturing capabilities span across 16 countries, ensuring they can support their customers effectively. Their focus on sustainability and community involvement further highlights their dedication to responsible business practices. Inteva has also received substantial funding, reflecting confidence in their growth and operational strategies.

3. Henniges Automotive

• Website: hennigesautomotive.com
• Ownership type: Corporate
• Headquarters: Auburn Hills, Michigan, United States (USA)
• Employee distribution: Mexico 42%, United States (USA) 37%, Czech Republic 8%, Other 13%
• Latest funding: September 2015
• Founded year: 2007
• Headcount: 5001-10000
• LinkedIn: henniges-automotive

Henniges Automotive, founded in 2007 and headquartered in Auburn Hills, Michigan, is a manufacturer that specializes in automotive sealing solutions and glass encapsulation. The company serves original equipment manufacturers (OEMs) in the automotive industry, providing products that enhance vehicle performance and reliability. With a workforce of approximately 1,600 employees, Henniges operates globally, with significant operations in Mexico, the United States, and Europe. Their innovative approach to product development and commitment to quality have established long-standing relationships with various OEMs. Henniges has also been recognized for its sustainability efforts, receiving a Bronze Medal from EcoVadis for its performance in environmental impact, labor standards, and ethics. The company has not reported any recent funding, indicating a stable operational model focused on organic growth and customer partnerships.

4. Roush

• Website: roush.com
• Ownership type: Private
• Headquarters: Livonia, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1976
• Headcount: 1001-5000
• LinkedIn: roush-industries

Roush, founded in 1976 by Jack Roush, is an automotive engineering company based in Livonia, Michigan. The firm specializes in high-performance components and aftermarket parts, particularly for Ford models. Roush provides a comprehensive suite of services, including engineering, testing, and prototyping, aimed at enhancing vehicle performance and efficiency. With a workforce of over 2,000 employees, Roush has established itself as a key player in the automotive sector, focusing on both traditional and electric vehicle technologies. Their engineering capabilities extend to chassis and body engineering, powertrain development, and advanced testing services, making them a valuable partner for automotive businesses and enthusiasts alike. Roush's commitment to innovation is evident in their pursuit of electric vehicle advancements and sustainable engineering practices, positioning them well for future growth in the evolving automotive landscape.

5. Mitsubishi Electric Automotive America, Inc.

• Website: meaa-mea.com
• Ownership type: Private
• Headquarters: Northville, Michigan, United States (USA)
• Employee distribution: United States (USA) 92%, Mexico 8%
• Founded year: 1979
• Headcount: 1001-5000
• LinkedIn: mitsubishi-electric-automotive-america

Mitsubishi Electric Automotive America, Inc. is an automotive manufacturer based in Northville, Michigan, with a strong emphasis on producing automotive components and offering engineering services. Founded in 1979, the company has built a reputation for delivering high-quality products that enhance vehicle production efficiency. With operations in various locations, including Mason, Ohio, and Maysville, Kentucky, Mitsubishi Electric Automotive America serves a wide range of automotive manufacturers. The company employs a workforce of approximately 1,000 to 5,000 people, primarily in the United States, with a smaller presence in Mexico. Their commitment to innovation and quality positions them as a notable player in the automotive parts manufacturing industry.

6. Piston Group

• Website: pistongroup.com
• Ownership type: Private
• Headquarters: Southfield, Michigan, United States (USA)
• Employee distribution: United States (USA) 93%, Iran 3%, Mexico 3%, Other 2%
• Founded year: 1996
• Headcount: 10001+
• LinkedIn: piston-group

Piston Group, based in Southfield, Michigan, is a private manufacturing company that specializes in automotive components and systems. Founded in 1996 by Vinnie Johnson, the company has grown to include several brands, such as Piston Automotive, Piston Interiors, and Detroit Thermal Systems. Piston Group offers a wide array of products, including automotive modules, HVAC systems, and interior components. The company serves major automotive manufacturers, focusing on delivering high-quality production and innovative solutions. With a workforce of over 8,600 skilled professionals, Piston Group emphasizes operational excellence and continuous improvement. Their commitment to quality is highlighted by their recognition from Ford Motor Company, which awarded their Detroit Thermal Systems brand with the prestigious Q1 certification for suppliers. This certification reflects Piston Group's dedication to maintaining high standards in quality, delivery, and operational performance.

7. Aludyne

• Website: aludyne.com
• Ownership type: Private
• Headquarters: Southfield, Michigan, United States (USA)
• Employee distribution: United States (USA) 56%, Poland 10%, Czech Republic 9%, Other 25%
• Latest funding: $75.0M, June 2023
• Founded year: 2013
• Headcount: 1001-5000
• LinkedIn: aludyne

Aludyne is an automotive component manufacturer based in Southfield, Michigan, established in 2013. The company specializes in lightweighting solutions tailored for the mobility industry, producing a variety of products such as chassis, subframes, and components specifically designed for electric vehicles. Aludyne serves automotive manufacturers aiming to enhance vehicle performance and efficiency. With a workforce of over 2,000 employees distributed across several countries, including Poland, the Czech Republic, and Brazil, Aludyne operates on a global scale. Their commitment to innovative manufacturing processes and sustainability is evident in their product offerings, which leverage advanced materials like aluminum and magnesium to meet the growing demand for lighter, more efficient vehicles. In June 2023, Aludyne secured $75 million in funding, underscoring their active role in the automotive parts sector and their potential for future growth.

8. Toyoda Gosei Americas

• Website: toyodagosei.com
• Ownership type: Private
• Headquarters: Troy, Michigan, United States (USA)
• Employee distribution: United States (USA) 59%, Mexico 19%, Brazil 11%, Other 10%
• Founded year: 1986
• Headcount: 10001+
• LinkedIn: toyoda-gosei

Toyoda Gosei Americas, founded in 1986 and based in Troy, Michigan, is a prominent player in the automotive parts manufacturing sector. The company specializes in engineered products that enhance vehicle safety and aesthetics, providing a wide array of components such as functional parts, interior and exterior elements, and advanced safety systems. With a workforce of over 14,000 employees across multiple locations in the Americas, Toyoda Gosei is committed to quality and innovation, supporting automotive manufacturers in meeting stringent safety and design standards. Their dedication to research and development is evident in their continuous efforts to improve product functionality and safety, including the development of advanced airbag systems and weatherstrips that ensure passenger protection and comfort. The company has received several awards for its commitment to excellence, including recognition from major automotive manufacturers, which underscores its significant role in the industry.

9. Neapco

• Website: neapco.com
• Ownership type: Private
• Headquarters: Farmington Hills, Michigan, United States (USA)
• Employee distribution: United States (USA) 66%, Poland 12%, Mexico 9%, Other 13%
• Founded year: 1921
• Headcount: 1001-5000
• LinkedIn: neapco-drivelines

Neapco, based in Farmington Hills, Michigan, is an automotive parts manufacturer that has been operational since 1921. The company specializes in driveline solutions, producing high-quality components such as propshafts, halfshafts, and differentials. Neapco caters to both original equipment manufacturers (OEMs) and heavy-duty parts distributors, showcasing its versatility in the automotive market. With a strong emphasis on innovative engineering and advanced manufacturing processes, Neapco aims to meet the evolving needs of the automotive industry. The company operates multiple state-of-the-art facilities across North America, Europe, and Asia, ensuring a robust supply chain and production capacity. Neapco's commitment to quality and performance is evident in its extensive product offerings, which are designed for a variety of applications, including light trucks, heavy trucks, and off-road vehicles. Their global footprint and focus on precision engineering solidify their role as a significant player in the automotive parts manufacturing sector.

10. AISIN World Corp. of America

• Website: aisinworld.com
• Ownership type: Private
• Headquarters: Northville, Michigan, United States (USA)
• Employee distribution: United States (USA) 91%, Mexico 5%, Other 4%
• Founded year: 1970
• Headcount: 201-500
• LinkedIn: aisin-world-corp--of-america

AISIN World Corp. of America, based in Northville, Michigan, serves as the North American sales headquarters for AISIN Corporation, a prominent automotive supplier founded in 1970. The company focuses on manufacturing essential parts and technologies for vehicles, including hybrid and electric models. AISIN provides a wide array of high-quality components such as brakes, transmissions, and navigation systems, catering to the needs of automotive manufacturers. With a workforce of approximately 576 employees, AISIN emphasizes innovation and sustainability in its operations. The company is part of a larger global network, with over 120,000 employees across 200 companies worldwide. AISIN is particularly noted for its advancements in electrification and zero-emission technologies, addressing the evolving demands of the automotive market.

11. Systex Products Corporation

• Website: densocorp-na.com
• Ownership type: Private
• Headquarters: Battle Creek, Michigan, United States (USA)
• Employee distribution: United States (USA) 94%, China 6%
• Founded year: 1992
• Headcount: 201-500
• LinkedIn: systex-products-corporation

Systex Products Corporation, a subsidiary of DENSO Corporation, is an automotive technology company based in Battle Creek, Michigan. Established in 1992, Systex specializes in manufacturing automotive parts that prioritize safety and efficiency. The company serves a wide range of customers, including automotive manufacturers and consumers, who depend on Systex's products for reliable performance in everyday transportation. With a workforce of approximately 139 employees, Systex is dedicated to innovation and sustainability, striving to meet the evolving needs of the automotive industry. The company operates primarily in the United States, with a small presence in China, reflecting its global reach and commitment to enhancing vehicle technology.

12. Shape Corp.

• Website: shapecorp.com
• Ownership type: Private
• Headquarters: Grand Haven, Michigan, United States (USA)
• Employee distribution: United States (USA) 60%, Mexico 20%, India 9%, Other 11%
• Founded year: 1974
• Headcount: 1001-5000
• LinkedIn: shapecorp

Shape Corp. is an automotive supplier based in Grand Haven, Michigan, with a workforce of approximately 1,871 employees. Established in 1974, the company specializes in engineering and manufacturing high-performance components tailored for the automotive industry. Their product offerings include body structures, bumper systems, and plastic components, all designed to enhance vehicle safety and performance. Shape Corp. operates globally, with a significant presence in the United States, Mexico, India, and the Czech Republic. The company is recognized for its advanced manufacturing techniques, including roll forming and injection molding, and is committed to sustainability in its operations. Shape Corp. has built a reputation for innovation, continuously developing solutions that meet the evolving demands of automotive manufacturers.

13. BOS Automotive Products, Inc.

• Website: bos.de
• Ownership type: Family Owned
• Headquarters: Rochester Hills, Michigan, United States (USA)
• Employee distribution: Mexico 58%, United States (USA) 12%, Romania 8%, Other 23%
• Founded year: 1910
• Headcount: 51-200
• LinkedIn: bos-automotive

BOS Automotive Products, Inc. is an automotive supplier based in Rochester Hills, Michigan, with a rich history dating back to its founding in 1910. The company specializes in the design and production of innovative systems and components tailored for vehicles, serving car manufacturers and system integrators. BOS focuses on high-quality automotive parts that enhance vehicle functionality and safety. Their product range includes luggage cover systems, sun protection systems, panoramic roof systems, and various safety components. With a global presence, including production facilities in Mexico, the USA, and several European and Asian countries, BOS is well-positioned to meet the needs of the automotive industry. The company is family-owned and operates with a workforce of approximately 599 employees, emphasizing customer-specific solutions and continuous innovation in its operations.

14. Kenona Industries, LLC

• Website: kenona.com
• Ownership type: Corporate
• Headquarters: Grand Rapids, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: April 2023
• Founded year: 1988
• Headcount: 51-200
• LinkedIn: kenona-industries-inc

Kenona Industries, LLC, based in Grand Rapids, Michigan, has been a significant player in the automotive manufacturing sector since its inception in 1988. The company specializes in producing high-volume precision components for OEMs and Tier suppliers, focusing on essential automotive parts such as steering components and exhaust assemblies. With a commitment to quality and efficiency, Kenona operates multiple facilities in Grand Rapids, ensuring that they meet the rigorous demands of the automotive industry. Their recent acquisition by Arrow Machine and Fabrication Group in 2023 has further strengthened their position, allowing them to offer a broader range of machining services and products. Kenona's skilled workforce, which includes engineers and machinists, is dedicated to delivering exceptional performance and customer satisfaction, making them a reliable partner for automotive manufacturers.

15. American Mitsuba Corp

• Website: americanmitsuba.com
• Ownership type: Private
• Headquarters: Mount Pleasant, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1987
• Headcount: 501-1000
• LinkedIn: american-mitsuba-corp

American Mitsuba Corp, founded in 1987, is a private manufacturer based in Mount Pleasant, Michigan. The company specializes in automotive electrical components, focusing on enhancing vehicle safety and comfort. With multiple facilities across the U.S., including locations in Indiana and Kentucky, American Mitsuba plays a vital role in supplying high-quality parts to automotive manufacturers. Their product range includes components that improve field-of-vision, convenience, and drive control. The company is committed to quality, as evidenced by its certifications in IATF 16949 and ISO 14001, which ensure adherence to rigorous industry standards. American Mitsuba also emphasizes corporate social responsibility, aiming to positively impact the community and environment while maintaining strong supplier relationships. This dedication to quality and community involvement positions American Mitsuba as a significant player in the automotive parts manufacturing sector.

16. Marley Precision, Inc.

• Website: marueikogyo.jp
• Ownership type: Private
• Headquarters: Battle Creek, Michigan, United States (USA)
• Founded year: 1995
• Headcount: 51-200
• LinkedIn: marley-precision-inc

Marley Precision, Inc. is a private manufacturing firm based in Battle Creek, Michigan, established in 1995. The company specializes in the production of automotive parts, offering services that include cold forging, precision machining, and assembly processing. Marley Precision primarily caters to automotive manufacturers, providing high-quality components that meet the rigorous standards of the industry. The company has built a reputation for reliability and precision, serving major clients in the automotive sector. With a workforce of approximately 27 employees, Marley Precision operates as a key player in the automotive parts manufacturing landscape, contributing to the supply chain with its specialized capabilities.

17. HDT Automotive Solutions

• Website: hdt-auto.com
• Ownership type: Family Owned
• Headquarters: Livonia, Michigan, United States (USA)
• Employee distribution: United States (USA) 29%, Mexico 20%, Italy 16%, Other 34%
• Latest funding: January 2015
• Founded year: 1943
• Headcount: 1001-5000
• LinkedIn: hdt-automotive-solutions

HDT Automotive Solutions LLC, based in Livonia, Michigan, is an automotive parts manufacturer with a focus on fluid handling systems and high-pressure die castings. Established in 1943, the company has built a reputation for providing components that enhance vehicle performance and reliability. HDT serves a wide range of clients, including major automotive manufacturers like Ford, General Motors, and Toyota, as well as Tier 1 suppliers. Their product offerings include automotive powertrain fluid handling systems, HVAC components, and industrial heat exchangers. With a commitment to innovation and quality, HDT employs advanced manufacturing processes and has received multiple industry awards for excellence. The company operates globally, with facilities in the United States, Mexico, Italy, Canada, and Poland, ensuring a robust supply chain and customer support. HDT's focus on continuous improvement and customer satisfaction positions it as a significant player in the automotive parts manufacturing industry.

18. TAC Manufacturing, Inc.

• Website: tramgroup.com
• Ownership type: Private
• Headquarters: Jackson, Michigan, United States (USA)
• Employee distribution: United States (USA) 98%, New Zealand 2%
• Founded year: 1986
• Headcount: 501-1000
• LinkedIn: tacmanufacturinginc

TAC Manufacturing, Inc., also known as TRAMGROUP INC, is an automotive parts manufacturer based in Jackson, Michigan. Founded in 1986, the company specializes in producing essential components for the automotive industry, including safety systems, human interface controls, and various electronic systems. Their product range includes items such as shift levers, restraint systems, and switches, which are critical for original equipment manufacturers. With a workforce of approximately 240 employees, TAC Manufacturing operates primarily in the United States, with a small presence in New Zealand. The company is part of the Tokai Rika Group, which emphasizes innovation and quality in automotive components, contributing to safer and more functional vehicles. TAC Manufacturing's commitment to research and development ensures they remain relevant in a rapidly evolving industry.

19. Iroquois Industries Inc.

• Website: iroquoisind.com
• Ownership type: Private
• Headquarters: Warren, Michigan, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1964
• Headcount: 201-500
• LinkedIn: iroquois-industries-inc.

Iroquois Industries Inc. is a privately held automotive supplier based in Warren, Michigan, with a history dating back to 1964. The company specializes in the manufacturing of metal components and welded assemblies, serving original equipment manufacturers (OEMs) in the automotive sector. With a workforce of over 850 employees and facilities spanning more than 1,000,000 square feet across nine locations, Iroquois Industries has developed a robust operational capacity. They are known for their expertise in General Stampings, Chassis, Powertrain, and Suspension components. The company has a notable history of innovation, having pioneered the first mass-produced disc brake shoe stampings in the 1970s and advancing the use of ultra high-strength steels in the 1980s. Today, Iroquois continues to push the envelope in automotive manufacturing, utilizing advanced materials and technologies to produce high-quality, cost-effective solutions for their clients.

20. Dura Automotive Systems LLC

• Website: duraauto.com
• Ownership type: Private Equity
• Headquarters: Auburn Hills, Michigan, United States (USA)
• Latest funding: August 2020
• Founded year: 1914
• Headcount: 5001-10000
• LinkedIn: dura-automotive

Dura Automotive Systems LLC, also known as Dura-Shiloh, is a prominent automotive supplier based in Auburn Hills, Michigan. With a history spanning over a century, the company specializes in mobility systems that cater to the evolving demands of the automotive industry. Dura-Shiloh's product portfolio includes electrification solutions, such as battery enclosures and park-lock actuators, as well as lightweight structural systems and specialty metal systems. Their focus on innovation is evident in their commitment to enhancing vehicle safety, performance, and sustainability. Dura-Shiloh operates globally, with a presence in North America, Europe, and Asia, and is recognized by major vehicle manufacturers as a trusted partner in the supply chain. The company emphasizes continuous improvement and employee success, reflecting a culture that values agility and quality in its operations.

Automotive Parts Manufacturing Insights: Key Companies in Michigan

Company	Headquarter	Size	Founded	Ownership
Flex-N-Gate	Warren, Michigan, United States (USA)	10001+	1956	Private
Inteva Products	Troy, Michigan, United States (USA)	5001-10000	2008	Corporate
Henniges Automotive	Auburn Hills, Michigan, United States (USA)	5001-10000	2007	Corporate
Roush	Livonia, Michigan, United States (USA)	1001-5000	1976	Private
Mitsubishi Electric Automotive America, Inc.	Northville, Michigan, United States (USA)	1001-5000	1979	Private
Piston Group	Southfield, Michigan, United States (USA)	10001+	1996	Private
Aludyne	Southfield, Michigan, United States (USA)	1001-5000	2013	Private
Toyoda Gosei Americas	Troy, Michigan, United States (USA)	10001+	1986	Private
Neapco	Farmington Hills, Michigan, United States (USA)	1001-5000	1921	Private
AISIN World Corp. of America	Northville, Michigan, United States (USA)	201-500	1970	Private
Systex Products Corporation	Battle Creek, Michigan, United States (USA)	201-500	1992	Private
Shape Corp.	Grand Haven, Michigan, United States (USA)	1001-5000	1974	Private
BOS Automotive Products, Inc.	Rochester Hills, Michigan, United States (USA)	51-200	1910	Family Owned
Kenona Industries, LLC	Grand Rapids, Michigan, United States (USA)	51-200	1988	Corporate
American Mitsuba Corp	Mount Pleasant, Michigan, United States (USA)	501-1000	1987	Private
Marley Precision, Inc.	Battle Creek, Michigan, United States (USA)	51-200	1995	Private
HDT Automotive Solutions	Livonia, Michigan, United States (USA)	1001-5000	1943	Family Owned
TAC Manufacturing, Inc.	Jackson, Michigan, United States (USA)	501-1000	1986	Private
Iroquois Industries Inc.	Warren, Michigan, United States (USA)	201-500	1964	Private
Dura Automotive Systems LLC	Auburn Hills, Michigan, United States (USA)	5001-10000	1914	Private Equity

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