duo studios inc DSI will not refund my money after poor service with no results to what they promised,my credit repair has not been repaired whiting, Indiana

they refused to refund my money because,their work is unsatisfactory with any or no results,communication is very poor,they tried to take money from my account when it was't time for payment,that raised a red flag,i owe one more payment but i choose not to make that payment,because i have not been satisfide,their address is a p o box no direct contact with the company everything has to be mailed or faxed,refusal to refund my money,unless i have finished the six month up on bussiness,even after six months i still won't be happy with this,I just want my refund.