ILSI America offers a broad range of Frequency Control Products with our primary business being the development and supply of quartz or piezo crystal based products that include crystal oscillators and quartz or piezo crystals in a variety of package types. Our crystal oscillator packages include our clock oscillator, VCXO, TCXO, TCVCXO, and OCXO products. In addition, we offer ceramic resonators as well as quartz or piezo crystal filters. All of our products are manufactured to the highest quality standards under ILSI's Factory Control Systems. ILSI is recognized for having fast and flexible supply solutions as well as competitive pricing for our frequency control products.