It's a company called Carpet Care.  It's a really shady operation.  They just started calling my cell phone and they always call my work number.  They hand up thier phone most of the time before you can get any company information about them.  You should register you phone with the "Do Not Call Registry" and report them every time they call.  To report a violation you need either their phone number or the name of the company and the time they called.