• To enable each member to succeed in business and encourage the development of the St. Marys Area business community

  • Kosei St. Marys Corporation


    Manufacturing & Production

    About Us

    Kosei St. Marys Corporation, formerly know as ''AAP'', is a subsidiary of Kosei Aluminum Company -- a global manufacturer of cast aluminum parts for a wide variety of automotive and motorcycle applications.

    Our St. Marys facility uses the latest technologies to produce high quality aluminum wheels for OEM automakers. All Kosei associates support the principles of continuous improvement of our products, processes, and every aspect of our operation -- from initial product design...to casting...machining...coating...and final inspection. Our investment in training and development ensures the formation of a strong team while providing our associates with excellent personal growth and a rewarding career.

    Kosei is also proud to be a member of the local community, with a strong commitment to steady employment for its associates and a commitment to ensuring that St. Marys continues to be a great place to live and work.