Over the past two decades Brno evolved into an important university city, the number of students of higher education institutions reached 89,000 in 2010. The city also became home to a number of institutions directly related to research and development, like the Central European Institute of Technology (CEITEC), or the International Clinical Research Center in Brno (ICRC). The city is also gaining importance in various fields of engineering, especially in software development, there are a number of companies focused on development operating in Brno. For example, AVG Technologies (headquarters), IBM (Client Innovation Centre Brno), AT&T (American Telephone and Telegraph) Honeywell (Honeywell Global Design Center Brno), Siemens, SGI (CZ headquarters), Red Hat (CZ headquarters), Motorola, etc.