Located near Dayton, Ohio, PFI is a privately held, woman-owned custom machine shop with over 50 years of manufacturing excellence. As an ISO 9001:2015 certified company, we pair our extensive custom machining experience with an exceptional on-time delivery record and unparalleled customer service. By investing in cutting-edge technologies and robust cost-control systems, our highly skilled team consistently delivers premium, cost-effective, close-tolerance component parts and complex mechanical assemblies. We are ready to tackle your most challenging projects and become your premier choice for small-diameter machining needs.