What Tier is Zoom Video Communications ?

https://www.cnbc.com/2019/10/07/comparably-top-100-companies-with-best-compensation-2019.html n/a

Tier "it's a pretty good company to work for, but your mother can't boast to her friends over tea time that her son works at such company, unlike her friend Prisha, who somehow manages to find the right context during conversation to remind everyone that her son, a director, is a director at Google (did I mention he works at Google?)."

Bad tier