About Us

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 customers 'local to global' supply chain needs to sampling a device for a new application, PDI takes great pride in every step. Once a product is defined from our simple to navigate website, we encourage all customers to contact our factory for hands-on assistance which will come from either our Regional Managers or our staff of highly trained Inside Sales people. Because we are a global company, we are able to follow your requirements around the world, providing seamless, error-free management. Try PDI and experience the difference!

PDI Wisconsin, USA - World Headquarters/Manufacturing/Distribution Center
PDI worldwide operations are headquartered in Middleton, Wisconsin. The original home of PDI, this facility serves as the primary manufacturing and distribution center of quartz crystals, crystal filters, and TCXO & VCXO crystal applications for customers across North and South America.

PDI Cambridge, England - European Manufacturing/Distribution Center

Precision Devices UK Ltd is the European headquarters of the PDI Inc. group of companies. Personnel in this facility provide sales, design and distribution of crystals, filters and oscillators throughout Europe, the Middle East and Africa. It also serves as a design and manufacturing centre for most PDI product lines, however the facility concentrates primarily on Voltage controlled Crystal Oscillators (VCXOs) and Temperature Compensated Crystal Oscillators (TCXOs). There is proven and established expertise in all aspects of frequency control products available at this fully certified manufacturing plant. It is located close to the famous University City of Cambridge England and employs approximately sixty staff. The current location has over 900m² of floor space. To meet the needs of our growing global customer base, a new state-of-the-art manufacturing facility with nearly 2000m² is being constructed near the current site. The completion date is set for the beginning of 2005.

PDI Hong Kong China - Asian Sales and Distribution Center
PDI Hong Kong China - Asian Sales and Distribution Center Precision Devices Limited (PDL) Hong Kong serves as the sales and distribution center for the Asian market. The PDL Hong Kong office was opened in 2000 to provide seamless rapid response support to our Asian clients and prospects. In addition, with its proximity to the marketplace, PDL-Hong Kong oversees our high volume China manufacturing, so our customers throughout the world benefit by receiving the most competitively priced highest quality crystals. The manufacturing facility in Nanjing, China, specializes in manufacturing high volume, low cost crystals, high volume crystal oscillators, crystal filters, through hole devices and surface mount devices.

PDI Hong Kong China - Asian Sales and Distribution Center
PDI Nanjing China - Manufacturing Facility The PDI Nanjing facility specializes in the manufacture of high volume, low cost crystals, high volume crystal oscillators, crystal filters, through hole devices and surface mount devices. This 8000 square meter manufacturing plant is ISO9001, ISO14000 and QS9000 certified, assuring high quality, custom designed products to meet the customer's applications in the commercial and military markets. The first facility in China to have a SMD line that could produce three million pieces per month; it also manufactures the highest quality precision crystal products in the industry. PDI Nanjing also provides lead free and CFC manufacturing processes that meet environmental protection requirements and offers flexible logistic programs to reduce delivery lead time to meet customer demands.