Frontier Group is the leading Arizona-based provider of metal finishing services to the aerospace & defense and other industries including medical, commercial, industrial, and automotive. Since our founding in 1979, Frontier Group has delivered unrivalled quality and service to its long-standing customers across the southwestern U.S.  We are privately held and owned by our management team. This means as a pure metal finishing and welding company, we are not machining or assembling parts in competition with our customers – our only focus is to provide the best quality, delivery and communication to our customers.  We are uniquely qualified to serve your special processing needs as Arizona’s only independent special processing service provider that is Nadcap accredited to offer Chemical Processing, Non-Destructive Testing, and Welding services.