Contact Us

1100 McKinley Road
St Marys, OH 45885
P: 419-394-7840
F: 419-394-4776

Forty-Three Million Wheels...

A leader in the manufacture of
cast aluminum automotive wheels.

Our products can be found on some
of the most popular vehicles today.

Our clients include some of the largest
auto manufacturers in the world.

Contact Us

Supplying wheels to leading automakers, Kosei is located in the heart of America’s automotive industry, allowing for more effective distribution and logistics and on-time delivery for its customers.




Kosei utilitizes the Kosei Aluminum Co., LTD Sales Network

St Marys 

1100 McKinley Road
St. Marys, OH 45885
Phone: 419-394-7840