What are the top 4 most profitable companies in the world?

According to a survey there are top 4 companies which are the most profitable these days they are · Apple : Apple is among the most rapidly growing large multinational companies in the world due to a string of product successes that began over a decade ago and include the Mac, iPod, iPhone, and iPad. Apple is the largest company in the world based on its market cap of about $672 billion. Last year, Apple reported revenue of $182.7 billion and earnings of nearly $40 billion. Earnings from continued operations: $39.5 billion Total revenue: $182.8 billion Headquarters: United States · Exxon Mobil Corporation: Today, it is the world's largest oil company. Like most of its rivals, its revenue and earnings are substantially affected by oil prices. In its last reported quarter, due to a drop in the price of crude, Exxon's profits fell 52% to $4.2 billion. Based on last year's revenue, Exxon was No. 2 on the Fortune 500. Earnings from continued operations: $33.6 billion Total revenue: $369.4 billion Headquarters: United States· Samsung Electronics Co. Ltd : South Korea's Samsung is well known in the United States for its smartphones, which compete directly with Apple's iPhone. In fact, according to some market research companies, Samsung's phones outsold the iPhone in the United States early last year. However, that period was short lived.Samsung is much more than a smartphone manufacturer. The largest company in South Korea also produces televisions, home appliances, computers, and lighting products. Earnings from continued operations: $21.4 billion Total revenue: $188.9 billion Headquarters: South Korea· Berkshire Hathaway Inc : Berkshire Hathaway is the famous company of famous investor Warren Buffett's empire. It holds stock in public companies Buffett has bought as investments, and its portfolio also includes wholly owned corporations such as huge railroad company BNSF, Kraft Heinz, GEICO Auto Insurance, and Heinz. Berkshire also owns several small companies, including Buffalo NEWS and Nebraska Furniture Mart. Earnings from continued operations: $20.2 billion Total revenue: $189.7 billion Headquarters: United States