The Wall Street Journal today reported that fifteen local and international companies, including U.S.-based ChevronTexaco (CVX) and the UK's Tysons Oil & Energy, have shown interest in buying a 51% stake in Pakistan State Oil (PSO.KA), the country's biggest oil-marketing company, the government said. Abdul Hafeez Sheikh, Pakistan's privatization and investment minister, announced the interested companies at a news conference Saturday. Some of the other local and international companies are Kuwait Petroleum Corp.(KPT.YY); Abraaj Capital Ltd. of the United Arab Emirates; a consortium of Vitol S.A of Switzerland and Hasan Associates of Pakistan and Lukoil International Trading and Supply Co. of Russia.