Cartrack - Do not want to remove me from itc ./cancelling my account although paid up

I called car track to cancel my account it was never cancelled they blacklisted me and handed my account to nimble.i called nimble to get the settlement amount I paid what I was owing them .then called them to send a proof of payment the lady I spoke to didn't even SIm interested Al she told me was I need to pay an amount for them to unblacklist it what nonsense is that.i paid what I owed them and they didn't cancel my account and blacklisted me .I have paid what I was owing them .I need to pay more for them to cancel and remove the blacklisting they did on my name.i was told last time I called them I do not have an account with them I need to speak to nimble.i did that and paid what I was owing I need to to remove it from my ITC Nd cancel my contract with them because they crooks they scamming Nd ripping people off