Since our founding in 1988, AAP St. Marys Corp. has become a leader in the design, development, and manufacture of cast aluminum wheels. Backed by more than 40 years of wheel experience of our parent company, Hitachi Metals, Ltd., AAP has developed the knowledge and expertise to serve the requirements of OEM automotive markets in the US and abroad.

AAP St. Marys Corporation was founded in 1988 with the recognition that quality must be inherent in every aspect of the operation to guarantee the production of the finest automotive wheels. From the initial design concept to final delivery, we have set exceptional standards of quality.

As a company, AAP has the demonstrated the capability to adapt quickly to customers' needs for new designs and short lead times for special orders. With more than 45 years of experience, our parent company, Hitachi Metals, Ltd., provides an extra measure of experience in the automotive wheel market, making AAP a very unique supplier. Furthermore, our operation in St. Marys, Ohio, is equipped with the most sophisticated design tools and state-of-the-art machinery, equipment, and production technologies.
Over the years, AAP has relied heavily upon a close partnership with our associates. Since 1988, our sales growth has resulted in six major expansions, allowing us to expand production capacity to more than three million wheels per year. Aside from our growth, we are most proud of maintaining a safe and secure workplace and maintaining steady work for our associates. This type of job security is unique in today's business climate.
Our world-class standards for quality extend to product design and engineering, our production processes, training of our associates, as well as our relationships with customers. As a result, AAP St. Marys Corporation has become known for supplying the best automotive wheels and the best service in the industry.

Mission Statement

AAP St. Marys Corporation will strive to be the best aluminum wheel company in the world in terms of safety, quality, delivery, and customer satisfaction. All associates of AAP St. Marys Corporation are involved in and support this objective. The Management will comply with requirements and continually improve the effectiveness of the Quality Management System. The manufacturing process will be based upon the latest proven technologies. All AAP associates will be equipped with the best education and training. Each associate will control his or her own process and pass on only conforming parts to the next internal customer.As a team we will strive to meet the emerging demands of the marketplace, with our customers’ needs at the heart of our efforts.

Quality in Every Phase
We are proud of our history and our capabilities in the design and manufacture of aluminum castings. AAP is an American company, which enjoys the support of Hitachi Metals, Ltd. – a world leader in metallurgy and a wide variety of metal products. This relationship allows us to utilize the best of American and Japanese technology and management skill to produce the highest quality products.