Based in Middleton, Wisconsin, Precision Devices is a worldwide leader in crystal frequency control devices. Augmenting our core business of extremely high-end crystals, crystal filters and oscillators for complex Radio, RF/Microwave, GPS, Instrumentation and MIL-AERO applications, we are unique, as we also manufacture low-cost, commercial grade crystals and oscillators for competitive consumer applications. Spurred from rigid quality management standards from our highest grade Military devices, the natural adaptation and quality mentality through employee tenure has proven to produce the highest quality commercial grade products on the market. Such high standard even filter down to manufacturing practices of our high volume, low cost crystals and oscillators. From servicing existing cus