Founded in 1994, Tellurian Technologies Inc. is a supplier of quartz devices for the frequency control industry. Based in Rolling Meadows, Ill., the company offers various products, such as quartz crystals, clock oscillators, temperature-compensated crystal oscillators, voltage-controlled temperature compensated crystal oscillators, voltage-controlled crystal oscillators and crystal filters, to name a few. The firm also provides other frequency based products, such as ceramic filters and resonators, SAW resonators and filters, oven controlled crystal oscillators and many more. The firm holds an ISO 9001 certification for its quality management.