About Us

Systron Donner Inertial (SDI) is the world’s leading supplier of Quartz MEMS Inertial Sensing Products and Systems providing precision systems solutions to aerospace, military and commercial aircraft, marine and land vehicular applications. Our products and systems are ideally suited for use by Integrators and OEMs. As a pioneer in the development of Quartz MEMS technology utilizing a tuning-fork design, originally introduced at the heart of the company’s renown solid-state GyroChip® quartz MEMS sensor design, SDI is continuously developing leading-edge disciplines with new products which are enabling advanced performance in critical military and commercial Guidance, Navigation and Control (GN&C) applications worldwide.
 
Our experience is built on over half a century of market and technological leadership in supplying our innovative angular rate sensors, linear accelerometers and inertial measurement unit designs to these markets, contributing to both overall performance and establishing standards for excellent price/performance characteristics. Systron Donner Inertial is an operating company of Custom Sensors & Technologies (CST), headquartered in Moorpark. California.
 
CST is comprised of industry-leading brands including Crouzet, Kavlico, Crydom, and former divisions of BEI Technologies – Newell and Systron Donner. CST provides sensors, controls, and actuation products for Transportation, Industrial and Aerospace and Defense markets. www.cstsensors.com.