Here is the list of legitimate survey sites you can trust, ranked in order of my personal favorites:  (Feel free to sign up for these as you read if you want to get started)

1. Global US Test Market – This survey site has millions of users, and is certified by the Better Business Bureau.  Need I say more?
2. PaidSurveys.com -  They have been in business for almost 15 years and are completely free.  You can trust this website.
3. 5in5Now – A website that gives you a $5 survey offer every day.  Completely free to join and they even pay through PayPal!
4. Global Survey Group – A global survey company that even gives you a chance to win cars!
5. Survey Adventure – Another great online survey site that is very easy to sign up for and free of charge.
6. Survey Downline – Completely free signup, high rewards.