Mitsubishi Electric Saudi Ltd. (MELSA) supplies, installs and maintains elevators, escalators and moving walks. This is its head office and Riyadh branch on King Abdullah Branch Road in Al Worood District, Riyadh. The company was established in 1980 as a joint venture of Mitsubishi Electric Corporation of Japan (MELCO) and Omar Kasim Alesayi & Co. Ltd. of Saudi Arabia. Its range includes residential, commercial and industrial passenger elevators, freight elevators and dumbwaiters, and custom elevators, with features and finishes chosen to suit the building, plus maintenance and modernization services. Besides Riyadh, it reports regional offices in Jeddah, Dammam, Makkah and Madinah, branches in Qassim, Jizan, Abha, Hofuf, Taif, Tabuk and Jubail, and a 24-hour customer care centre.