DDC-I
... that software product company DDC-I started three decades ago in Denmark with a focus on the Ada programming language and now focuses on real-time operating systems in the United States?
... that software product company <b id="mwBZg"><a href="./DDC-I" id="mwBZk" rel="mw:WikiLink" title="DDC-I">DDC-I</a></b> started three decades ago in Denmark with a focus on the <a href="./Ada_(programming_language)" id="mwBZo" rel="mw:WikiLink" title="Ada (programming language)">Ada programming language</a> and now focuses on <a href="./Real-time_operating_system" id="mwBZs" rel="mw:WikiLink" title="Real-time operating system">real-time operating systems</a> in the United States?