JOQ: Actually, in this case, you're really asking for an apples and oranges comparison.
Apple and Microsoft are one group
Google, Facebook, and Amazon are each sui generis and have very little relationship to each other or the previously mentioned group of two.
All of these companies have been hugely influential but in very distinctly different ways and, with the exception of Apple and Microsoft, in largely non-overlapping arenas.
Brian AKA Bri the Tech Guy (website in my user profile) - Windows 10 Home, 64-Bit, Version 1803, Build 17134
. . . the presumption of innocence, while essential in the legal realm, does not mean the elimination of common sense outside it. The willing suspension of disbelief has its limits, or should.
~ Ruth Marcus, November 10, 2017, in Washington Post article, Bannon is right: It’s no coincidence The Post broke the Moore story