DO NOT KNOW WHO THIS COMPANY IS HDP NAT'LALERTREISTRY 888-5433331FL WANT THEM TO STOP CHARGING ME

I don't know what kind of company is this, but I was charged $9, 95 in May and in June without buying anything. I can't find a number to call neither the exact name of this company and my bank says that I have to contact them to cancel it, not the bank. Please let me know what do to. There are also two other strange companies charging me: UOL*NETZERO 866-841-1442 CA and HDP*WWW.NETDETECTIVE.NET
888-5433331 FL.