Since 1960, QED has been a leading supplier of miniature gauges to the aircraft, aerospace and defense industries. QED designs and builds each instrument with the utmost attention to detail, as if the safety of every flight depends on the workmanship of our gauges...because in many cases it does. Specialization is key to QED's commitment to high-quality, competitive pricing and on-time delivery. Our large inventory of component parts and proven designs is the foundation for building application-specific instruments that fit your particular needs. We take an in-house approach, closely monitoring design and fabrication to ensure that quality, price and delivery meet your expectations. QED is certified by DNV to ISO 9001 and AS 9100 quality standards and is approved by major OEMs and the FAA.