to be more than , and largest daily oil production. Headquartered in Dhahran, Saudi Arabia, Saudi Aramco operates the world's largest single hydrocarbon network, the Master Gas System. Its yearly production is , and it managed over 100 oil and gas fields in Saudi Arabia, including 284.8 trillion standard cubic feet (scf) of natural gas reserves. Saudi Aramco owns the Ghawar Field, the world's largest oil field, and the Shaybah Field, another one of the world's largest oil fields. On 16 November 2020, Saudi Aramco announced hiring banks to sell dollar-denominated bonds with the aim of improving finances after the coronavirus pandemic caused a sharp fall in the global demand for crude oil. Aramco's multi-tranche offer was set to run between 3 and 50 years, depending on the market conditions. The banks hired for the transaction included Citi Bank, Goldman Sachs International, HSBC, JP Morgan, Morgan Stanley and NCB Capital. Other banks involved in the deal included BNP Paribas, BOC International, BofA Securities, Credit Agricole, First Abu Dhabi Bank, Mizuho, MUFG, SMBC Nikko and Societe Generale. In 2021, Saudi Aramco made a net-income of 95.5 billion riyals ($25.5 billion) in the second quarter alone, which was the highest level since 2018. SABIC The Saudi Arabian Basic Industries Corporation SABIC was established by a royal decree in 1976 to produce chemicals, polymers, and fertilizers. In 2008, SABIC was Asia's largest (in terms of market capitalization) and most profitable publicly listed non-oil company, the world's fourth-largest petrochemical company, ranked 186th as the world's largest corporation on the Fortune Global 500 for 2009, the second-largest producer of ethylene glycol and methanol in the world, the third-largest producer of polyethylene and overall the fourth-largest producer of polypropylene and polyolefin. Standard & Poor's and Fitch Ratings claimed SABIC to be the world's largest producer of polymers and the Persian Gulf region's largest steel producer for 2005 and assigned SABIC an "A" corporate credit rating. In 2008, Fortune 500 ranking records SABIC revenues at $40.2 billion, profits at $5.8 billion and assets standing at $72.4 billion. Ma'aden (company) Ma'aden was formed as a Saudi joint stock company on 23 March 1997 for the purpose of facilitating the development of Saudi Arabia's mineral resources. Ma'aden's activities have focused on its active gold business which has grown in recent years to include the operation of five gold mines: Mahd Ad Dahab, Al Hajar, Sukhaybarat, Bulghah, and Al Amar.