MTI-Milliren Technologies, Inc. designs and manufactures frequency control and timing products for the telecommunications industry. It product line consists of oven controlled quartz crystal oscillators, temperature compensated crystal oscillators, voltage controlled crystal oscillators, synthesizers, GPS disciplined oscillators, and timing modules. Their products are used for military, defense, space and ground applications. MTI-Milliren Technologies, Inc. was founded in 1990 and is headquartered in Newburyport, Massachusetts.