Ethio telecom
Based in Addis Ababa , it is one of the "Big-5" group of state owned corporations in Ethiopia , along with Ethiopian Airlines , the Commercial Bank of Ethiopia , Ethiopian Insurance Corporation , and the Ethiopian Shipping Lines . 
<triplet> Ethiopian Airlines <subj> Addis Ababa <obj> location of formation <triplet> Commercial Bank of Ethiopia <subj> Addis Ababa <obj> headquarters location