<Tr> <Th> Main contractor </Th> <Td> Tower 1: Hazama Corporation Tower 2: Samsung Engineering & Construction and Kukdong Engineering & Construction City Center: B.L. Harbert International </Td> </Tr> <Tr> <Th_colspan="2"> References </Th> </Tr> <P> The Petronas Towers, also known as the Petronas Twin Towers (Malay: Menara Petronas, or Menara Berkembar Petronas), are twin skyscrapers in Kuala Lumpur, Malaysia . According to the Council on Tall Buildings and Urban Habitat (CTBUH)'s official definition and ranking, they were the tallest buildings in the world from 1998 to 2004 and remain the tallest twin towers in the world . The buildings are a landmark of Kuala Lumpur, along with nearby Kuala Lumpur Tower . </P> <P> The towers were designed by Argentine architect Cesar Pelli . They chose a distinctive postmodern style to create a 21st - century icon for Kuala Lumpur . Planning on the Petronas Towers started on 1 January 1992 and included rigorous tests and simulations of wind and structural loads on the design . Seven years of construction followed at the former site of the original Selangor Turf Club, beginning on 1 March 1993 with excavation, which involved moving 500 truckloads of earth every night to dig down 30 metres (98 ft) below the surface . </P>

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