MMi Sonora, is an ultra- precision machining and gear cutting enterprise that is AS9100, ISO 9001 and ISO 13485 certified. Cu ... rrent customers include cutting edge medical robotics manufacturers, aerospace, telecommunications and automotive companies. We are located in the Sierra foothills and service our customers by way of direct delivery services on a daily basis as needed. We machine just about any metal or plastics materials. Inquiry's can be made at our website with 24 hour turnaround. read more