Big Buck ( Get 20$ just to subscribe. It's free!)

• Take surveys and tell businesses about the products and services YOU want .
• Each survey you complete gives you a chance to win great prizes and receive money-saving offers and samples
• Membership is free & participation is voluntary

Inbox Sponsors

• Join InboxSponsors and earn $5.00 instantly!
• Refer Friends and earn $5.00 for each referral!
• Join Free Survey Sites and earn $0.50 to $4 !
• Complete Offers and earn up to $75 per offer!
• Read Email and earn 5 to 25 cents per email
  

Survey Payoff

Access a huge database of paid surveys. Get paid in cash, rewards, gift certificate and more. Totally free to join.

Allowed: USA residents only

MySurvey

• Take Surveys
• Shop Online
• Play games
• Sample new products

Nielson / NetRatings

Help shape the Internet of tomorrow by giving your opinion. Fill out surveys and get a chance to win thousands of dollars. The more surveys you complete, the more chances you get to win. It's totally free to join.

Allowed: Spain, Italy, USA and UK residents.

USA: Win $1,000 Cash. Join the Nielsen//NetRatings
Spain: Entre en la familia de Nielsen//NetRatings y revolucione el uso de Internet.
UK: Join the Nielsen//NetRatings Internet Panel, and you could win £30,000!
Italy: Unisciti al gruppo Nielsen//NetRatings ed aiutaci a rivoluzionare Internet.

OpinionSquare

OpinionSquare members have the opportunity to take surveys in exchange for such benefits as earning “OpinionRewards” reward points and entries into our “Your Opinion Matters” sweepstakes. For registering with OpinionSquare, qualified members could win a chance at $100,000 CASH. Drawings are held on a monthly basis.
Allowed: USA

ECN Research

ECN Research is an interactive survey where users are rewarded for their opinion; incentives for users vary from a $500 shopping spree, free ring tones to a free vacation voucher to over 50 destinations.They offer one of the most dynamic and user friendly survey platforms on the internet today.
Allowed: Worldwide

Survey4Profit.com

Get paid from 5$ to 75$ for every completed survey. You can also win prizes. It's totally free to join.

Allowed: USA, Canada, UK and Australia residents.

The Net Panel

The Net Panel is really a nice one. You get a very good chance to win rewards like plasma TV or lots of money in cash. All you are asked to do is fill a survey. It's totally free to join.

Allowed: USA residents only

Greenfield Online

Greenfield Online is the premiere online web survey company on the Internet. We invite our members to take surveys relating to movies, products, sports, food and more. Members are given a Bi-Weekly sweeptakes entry and several surveys are offered that have cash payments as well. We've paid out over $4,000,000 USD to date
Allowed: USA, Canada

i-Say Panel

As a member of the i-Say Panel, you will get the chance to:

• Tell people what you really think!
• Test new and exciting products
• Win $5000 just for joining
• Win cash and/or prizes for each completed survey - more than 50 daily winners!
• Win lots of prizes including electronics, shopping sprees, gift cards, and vacations
• A chance to win a brand new car!