Saudi Aramco is a Saudi Arabian multinational petroleum and natural gas company. It is one of the largest oil companies in the world, with extensive operations in exploration, production, refining, distribution, shipping, and marketing of hydrocarbons.
Apple is a multinational technology company known for its consumer electronics, software, and services. It manufactures popular products such as the iPhone, iPad, Mac computers, and offers services like iCloud, Apple Music, and the App Store.
Microsoft is a global leader in software, services, devices, and solutions. It is renowned for its Windows operating system, Office productivity suite, Azure cloud platform, and various other business and consumer products.
Alphabet is the parent company of Google and several other subsidiaries. Google dominates the internet search market with its search engine, advertising services, cloud computing (Google Cloud), and various hardware and software products.
Berkshire Hathaway is a multinational conglomerate holding company led by Warren Buffett.