Newzoo recently released its report on the top 25 public game companies from 2017, showing continued growth from the usual suspects over the last year as the gaming industry consolidates further into a handful of companies. The top 25 companies accounted for 77 percent of the total global games market, earning a combined $94.1 billion out of a total $121.7 billion in 2017. The top five companies remain unchanged since 2016: Tencent, Sony, Apple, Microsoft and Activision Blizzard, with Nintendo making an appearance at the ninth spot.
Source: GamesIndustry.biz