Piston Group is a private investment platform and manufacturing group founded in 1995 and headquartered in Southfield, Michigan. It describes itself as the world's largest Value Add Assembly supplier, building assemblies for top automotive manufacturers, and it ranks as the 24th largest automotive OEM supplier in the United States. Its operations span facilities across the United States and Mexico.
The group works through several subsidiaries. Piston Automotive operates in automotive assembly and manufacturing. Piston Interiors applies experience in automotive interior technologies to provide design, engineering, and manufacturing solutions. Detroit Thermal Systems develops and manufactures climate control systems and components. Across these units, the technical work covers assembly innovation, climate control systems design and manufacturing, automotive interior technologies, and integrated design and engineering.
Piston Group is the largest African American-owned automotive supplier in the United States and was ranked the largest minority-owned business by Crain's Detroit based on 2020 revenue. The company was founded by Vinnie Johnson, an NBA champion and industry figure, and is recognised as a centre of assembly innovation.
