supermajor
n.β Β«Only 10 years after βsupermajorβ entered the oil industryβs lexicon, the term is already showing its age. At the end of 2000, once the oil industryβs mega-mergers were completed, the combined market capitalisation of ExxonMobil, Royal Dutch Shell and BP was about $700bnβnearly two-thirds of the global sectorβs total. These days, the supermajors represent just 23 per cent.Β» ββOil βsupermajors’ 10 years on” Financial Times (United Kingdom) Jan. 9, 2008. (source: Double-Tongued Dictionary)