Precision CNC Machining / Sheet Metal Fabrication & Manufacturing Welcome to Wrobel Engineering. We deliver complete precision CNC machining and sheet metal fabrication services including engineering, prototyping, tool & die, silk screening, electromechanical assembly, kitting, and kanban. Our staff and facility are tested and driven by the most stringent quality certifications in the industry including ISO 9001:2015 and ISO 13485:2016, ITAR, UL, SixSigma, and PPAP. Our company and the products we make represent the finest in American-quality manufacturing.