If you are registered with the national do not call list as I have been for years, you can file a complaint or legal action here:

https://complaints.donotcall.gov/Mobile/complaint/complaintcheck.aspx?panel=2

I have just done so. Considering how many folks posted here about the same company, image how quickly we can set off a red flag on them at donotcall.gov

Any calls to you after 31 days on the list are actionable.