MMD Components (Monitor and Quartztek) headquarter is in Rancho Santa Margarita, California. And it is one of the leading technologically advanced producers of frequency control devices. And it is a specialist when it comes to customs oscillators and crystal applications. 

MMD Components designs, develops, produces, and supplies its components as a certified supplier to a wide range of Fortune 500 organizations. It is also highly recommended to and a supplier for numerous chip manufacturers. MMD obtained the patents and producing rights to the complete product line of Monitor and Quartztek Inc. in 2002 to better serve a global market.

MMD provides a wide range of components that can be used in several industries and applications, including commercial markets, military, aerospace, telecommunications, medical, etc. MMD Components can offer exceptional suppleness in the frequency control device sector by providing a wide range of timing components. 

Today, MMD is a subsidiary of Abracon, which provides support by providing up-to-date and unique technical design and global supply chain malleability to meet up the particular needs of their clients all over the world.