Lenders harassing me

I filled out a loan application with my credit union. Now today I have gotten been getting called approximately every 15 minutes by Imperium Lending and Generation Lending. I have repeatedly told them I am not interested in their products or anything else (my application was not for a mortgage) and to remove me from their call list. They continue to call. They also won't take no for answer and won't hang up. If I hang up they call back. I have recorded the calls. Who do I contact to kick them in the balls and make them stop?