Can anyone tell me where to go to report a hosting company that is not fulfilling services clready payed for?

Speciffically, they charged for a MS SQL db, and enterprise manager, PLUS a Plexus control panel (I thought this was Linux, but anyways they said it is there)

They keep evading direct questions and support ticket request, and suddenly in the last two days DB connectivity has been lost.

It was already set up when arrived, i am very new to all this. I only want the db, and now they are saying we have to pay for one, which is/was already in place, paid for, and being used.

There is all kinds of personal and other membership information on many people in that database. I need to know what are my/my clients rights.

Anyone have any suggestions? the hosting company is in the Eastern US, and there are lots of reports and negative reviews of these b*********! :O)

Thanks very much for any suggestions or ideas.