Sites which list U.S. employers of H-1Bs :
https://www.uscis.gov/tools/reports-and-studies/h-1b-employer-data-hub
optobservatory.org
9 out of 10 new jobs in U.S. since 2020 have gone to foreigners:
https://freerepublic.com/focus/news/4376285/posts
See Congressman Eli Crane’s “End H-1B Visa Abuse Act of 2026”