https://docs.google.com/spreadsheets/d/1fwlbL0cutMeK84k-988zC8ouAPx3sU4VSjp884XtmP8/htmlview#

Google Search examples:

https://h1bdata.info/index.php

https://www.uscis.gov/tools/reports-and-studies/h-1b-employer-data-hub