no tcf

I received my Transunion report on the 10/06/2020 to find out that I am now listed by a company called debt tec for a debt what they say is for car track so I call car track and they told me that the contract had ended on the 2019/09/06 so I would like to know where in the world does this debt tech have the right to black list me I send them email they don’t reply I call they number no answers what **** they trying to pull messing with peoples life