Wikipedia
Atego (company)
In January 2010, Aonix and Artisan Software Tools agreed to merge, forming a new company called Atego.
Atego is a software development corporation headquartered in the United States and the United Kingdom with subsidiaries in France, Germany, and Italy.
In 2010 Atego acquired BlueRiver, the maker of the X32 (now PTC X32plus) C/C++ IDE and in 2011 acquired the ApexAda (now PTC ApexAda) family of Ada compilers from IBM/Rational.
PTC, Inc. announced on July 1, 2014 that it had signed a definitive agreement to acquire Atego, with a deal valued at approximately $50 million in cash.