Headquartered in Santa Ana, Calif., Aluminum Precision Products, Inc. (APP) is one of the world’s largest manufacturers of precision aluminum forgings - highly engineered, close tolerance, complex aluminum structures with capabilities that extend from initial design to final assembly. Aluminum Precision Products is an important presence in commercial and military aircraft, aerospace, automotive, medical, diesel locomotive, industrial applications and other commercial products.

Aluminum Precision Products, Inc. Conventional Forgings APP produces forgings and machined parts for every major aircraft manufacturer in the world, and currently exports products to Great Britain, Canada, Spain, France, Italy, Australia, Israel, China, and Japan.

With more than 1,000 employees, APP is a fully integrated manufacturing operation allowing for the production of completed parts and assemblies. Large heat-treating and machining operations play important roles in the process.
Founded in 1965 by Philip S. Keeler, who continues to serve as the company's president, APP is a privately held California corporation, with approximately 600,000 square feet of production space at six facilities in Santa Ana and Garden Grove, Calif., and Hampton, Va.