Google, Amazon, Facebook, or Apple.

https://en.wikipedia.org/wiki/Big_Four_tech_companies

That used to be The Big 8 and people knew of them as The Big 8, even me. I think that The Big 4 is used now with a tinge of irony.

  Arthur Andersen.
  Coopers and Lybrand.
  Deloitte Haskins and Sells.
  Ernst and Whinney.
  Peat Marwick Mitchell.
  Price Waterhouse.
  Touche Ross.
  Arthur Young.

Apple, Amazon, Facebook, Google.

Usually FAANG pre-Netflix

Could you please stop posting unsubstantive comments to Hacker News? We're trying for something better than that here.

https://news.ycombinator.com/newsguidelines.html