Eschew "U. S. communications companies."
Encrypt what must be communicated over US backbone. Be aware of which providers protect privacy. The Onion Router.net may have some vulnerabilities, but finding them and exploiting these vulnerabilities are so expensive as to obviate capricious intrusion.
Protonmail.ch is end-to-end encrypted and free. Read Electronic Frontiers Foundation - EFF.org - and Electronic Privacy Information Center - EPIC.org.