It's very dependent on application niche. Movie and game composers are more likely to use Cubase or Nuendo. Very big pop studios (includes rock, country, rap, etc) are likely to use ProTools. Smaller home studios are likely to use Logic or Cubase. EDM artists may be using Ableton Live, Reaper, Logic, BitWig, Cubase, or sometimes ProTools.

There really is no "industry standard" now. PT was the standard maybe ten years ago, and still has traction in studios where artists need to move their sessions to another facility. But Avid pissed off everyone by overcharging for buggy software, so there's a lot more diversity now.