MediaQuest Holdings has its own shares in BusinessWorld Publishing Corporation. Aside from the paper, it also owns TV5 online platform interaksyon.com, where Alampay is also editor-in-chief.
Bukod sa BusinessMirror, si Cabangon-Chua ay may share din sa mga kumpanya ng media na Solar Entertainment Corporation at Aliw Broadcasting Corporation. Kabilang sa iba pa niyang negosyo ang real estate at insurance.