"Although the purpose of these regulations is to limit the powers of big US Internet companies like Google or Facebook"

This has been stated very explicitly by the law makers, so yeah, it wasn't hard to state that. I'm not even going to bother searching for that.

Over 210 companies have signed, as of now, and I still have quite a backlog of signatories to add.

Sorry that the English isn't perfect, it was not written by native speakers.