Hy-Q International is a 100% Australian owned company that has been supplying frequency control products to the highest international standards since 1969. Our product range includes quartz crystal units, filters, DIL's, voltage controlled, temperature compensated and oven controlled oscillators, monolithic and discrete filters as well as ceramic filters and resonators. Current and former subsidiaries: Hy-Q International (Australia) Pty Ltd - Est: 1969 Hy-Q International (Singapore) Pte Ltd - Est: 1972 Hy-Q International (UK) Ltd. - Est: 1977 Hy-Q International (USA), Inc. - Est: 1989 Hy-Q International (Mauritius) Ltd. - Est: 1990