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STEC USA, Inc. is a tier 1 automotive supplier located in Madison Heights, Michigan. STEC is a division of a worldwide group of companies headquartered in Shanghai, China.

STEC has 4 manufacturing plants and 5 regional engineering centers strategically located in North America, Europe, and Asia. This diversity within our teams helps us to be creative, understand markets around the world, combine strengths and share expertise.

STEC was founded in 1951 and operates as a subsidiary of SAIC Motor Corporation Limited (SAIC Motor). STEC has a global workforce of 6,000+ serving more than 50 customers in every major region of the world. Almost all the major automobile manufacturers worldwide are amongst our customers.

STEC is a leader in our core business of power window regulators, horns, and electrical components for passenger cars, sport utility vehicles, and trucks. Our customers are the most important to us. Our broad technological expertise allows us to offer them the right product, best quality, and value.


STEC USA is committed to providing our customers with quality products which exceed their expectations. With a state of art facility, STEC USA provides services that fulfill the auto industry’s needs for innovation and advancement.

STEC USA employs a diverse workforce, where highly skilled employees are encouraged and challenged to keep up with our customers growing demands. A robust quality management system is enforced to ensure all products and services meet our customers’ requirements. Each employee is trained on all company polices, strategies, and procedures to maximize product quality and production efficiency. STEC USA works simultaneously with our global headquarters to give each customer the gratification of knowing that each product is being engineered, manufactured, and shipped to the highest quality standard in the automotive industry.

STEC USA IS IATF 16949 Certified.


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