ISO 13485-2106 Certified Precision CNC Machining, R&D, Prototyping, Contract Manufacturing: Family owned contract job shop specializing in precision CNC machining. If you’re looking for high quality and personal service, you’ve come to the right place. At Performance CNC LLC we’ll give you the attention and personal service you’ll come to expect and enjoy. We offer the best in Precision CNC machining. Our rates are competitive, with no hidden fees. Our employees are friendly and will be there to help you every step of the way. Performance CNC LLC has been located in Bourbon since 2010. Let us put our experience to work for you.