ARZ Machining is a contract CNC machine shop located 20 miles north of Milwaukee in Grafton, Wisconsin specializing in high precision CNC milling and CNC turning. Our services include low volume production, high volume production and prototype machining. By utilizing a reliable, high quality supply chain, it is our goal to provide our customers the benefit of a complete part from start to finish. Our years of experience dealing with multiple vendors will save you time, energy and let you focus on your main priorities. As an added benefit we also offer inventory management, cost reduction advice, and flexible delivery schedules.

Since 1991 we have been providing quality parts from small to mid-sized businesses serving multiple industries such as automotive, chemical, electronic, and agricultural companies. We pride ourselves in our work and always work to improve our customer satisfaction through continued on time delivery and the highest quality parts.