Globally, multinational chemical conglomerates such as China Petrochemical Corporation (Sinopec), Dow Inc., BASF, and SABIC routinely compete for the title of the chemical company with the highest annual revenue. These massive enterprises generate tens to hundreds of billions of dollars annually by supplying an extensive array of petrochemicals, polymers, industrial intermediates, and agricultural chemicals to manufacturing sectors worldwide, dwarfing smaller specialty chemical producers in total sales volume.