United Monolithic Semiconductors  was created in 1996, as a joint venture of Thales and EADS, to provide a European source of III-V technologies and products.
 
The Company has industrial facilities in Ulm, Germany and Orsay, France (headquarters), and sales offices in Lowel, MA USA and Shanghaï, China.

In 2009, the head-count was 255 people, for sales of 47M€, serving four main markets around the world.

Those markets are:
- Telecommunication infrastructure
- Automotive and ISM
- Space
- Security and Defense

 Missions of United Monolithic Semiconductors

- To offer independent state-of-the-art  "ITAR free" MMICs and foundry services to the world-wide market

- To be a global provider of MMICs solutions for Communication, Radar, Electronic Warfare and RF Systems