A number of large firms also have their headquarters in Mogadishu. Among these is the Trans-National Industrial Electricity and Gas Company, an energy conglomerate founded in 2010 that unites five major Somali companies from the trade, finance, security and telecommunications sectors. Other firms based in the city include Hormuud Telecom, the largest telecommunications company in southern and central Somalia. Telcom is another telecommunications service provider that is centered in the capital. The local Somali Energy Company specializes in the generation, transmission and distribution of electric power to residents and businesses within its service area in Banaadir. Villa and Mansion Architects, an international architectural firm founded by the Somali-British architect Alexander Yusuf, likewise has its regional offices in Mogadishu. Additionally, the International Bank of Somalia, which opened downtown in 2014, offers Islamic finance and international banking services via a swift code system. The Islamic Insurance Company (First Takaful and Re-Takaful Insurance Company) was concurrently established, and is the city's first full service insurance firm in many years. The Central Bank of Somalia, the national monetary authority, also has its headquarters in Mogadishu.