From reading the posts sounds like a debt collector, although I am currently making payments to all that I owe on. Things are never enough and they never leave a message.
Collection Agency Redefined
Welcome to Transworld Systems, home of Accelerator and the Profit Recovery System. We are redefining the collection agency industry by providing businesses and healthcare organizations with better tools for accounts receivable, debt recovery and past due accounts.
With a success rate 4 times the industry average, Transworld has collected $6 billion over the past decade for more than 60,000 clients - from Fortune 500 companies to small businesses.