If you're looking for survey companies to join and be rewarded for your opinions, you can join 2 panels in one step. Through one sign up you can join Harris Poll Online and OneOpinion. From their details, it is:
REWARDING: Take a survey, share your opinion, get paid.
INTERESTING: See and try new products before everyone else.
SIMPLE: Fast to join, easy to participate, quick to earn. Please take a moment to choose to sign up for both Harris Poll Online and OneOpinion.
For more survey companies to join, see our previous post on earning money from home with online surveys.