Welcome to American Metal Specialties, a Portland, Oregon job shop providing precision machining and sheet metal fabrication services. Specializing in CNC precision machining, sheet metal fabrication, metal finishing, precision machining assembly and CAD/CAM design, we operate in over 90,000 square feet, across three manufacturing facilities in the Portland, Oregon metro area. MANUFACTURING IN AMERICA SINCE 1978 Privately held and family-owned, API and AMS have operated as a custom manufacturing partnership in the Pacific Northwest for almost 40 years. The combined capabilities and expertise of our companies enable us to support almost any metal manufacturing requirements.