Contributing to the formation of the safe internet earning, the administrator of Earning-Empire has decided to create a Black List of all the pseudo - market research companies who never pay or, even worse, make you pay for the registration and then surveys never come (read more at the "Avoiding SCAM" section). Never deal with these resources. It's pretty hard for a single person to trace all the fraudulent sites so I'd really appreciate your help when you tell me about the new SCAM site when you see it.
Unfortunately, no SCAM sites have been tracked yet. If you see any, feel free to report about it.