38+ Cash Paying Survey Panels

Mindfield Online – Old, reputable panel I have used that still pays in cash. They also have an option for Amazon cashout if you would prefer that.
Opinion Place – Every survey comes with an attached reward which might be Paypal, Amazon gift cards, etc.
Survey Savvy – Every survey pays in cash via check. You can also earn money here for referring your friends.
Mommy Talk Surveys – Get paid Paypal cash or Amazon GC for completing surveys. There is a $5 sign-up bonus.
VIP Voice – This panel occasionally pays in cash but many surveys only offer sweepstakes entries as a reward.
Springboard America – Take surveys and earn cash. You must have at least $50 accumulated to request your earnings.
Survey Downline – Pays in cash or sweepstakes entries. You can get your money via Paypal.
Paid Viewpoint – Pays in cash, and the surveys are very short and easy. Cash out to Paypal at $15.
Instant Cash Sweepstakes – Earn small change for every survey completed. Really short surveys.
iPoll – Pays in cash to Paypal or you can choose Amazon GC. This panel will even give you $5 just for signing up.
Opinions 4 Good – Get paid cash in the form of a mailed check for your participation in surveys. They pay quarterly. Your participation also means a donation to charity (not taken out of your earnings, just an additional amount paid to a charity).
iQuestion – A panel for business professionals. Earn $6 for every 20 minute survey you take.
Amplitude Research – Pays via Paypal or Target gift card. Surveys start off paying at $2 each and go up from there.
Baker Street Solutions – Pays in Amazon gift cards or cash for surveys you complete.
Bellwether Surveys – Pays in cash to Paypal, surveys by email invitation.
Brand Institute – Open worldwide. Pays with Paypal or check.
Capitol Research - Frequently you will receive cash or a gift certificate in appreciation of your time and opinions.
Clear Voice Surveys – Get paid in cash via prepaid Visa card or Amazon GC.
Daily Survey Panel – Pays in cash or Amazon vouchers, also pays fast.
E-Research Global – Pays in cash to Paypal for every survey completed within two weeks of close of the survey.
Esearch – Pays in cash honorariums via Paypal payment for surveys completed.
Focus Fwd Online – Pays with cash or check. Sign up as a consumer or business professional.
Game Play Surveys – Concerning video games. Earn cash for your participation made through Paypal ($25 min.)
IDG Tech Panel – Pays in Paypal cash and other rewards for filling out technology surveys.
IOCS – When payments are made, they are made in Paypal cash.
iThink Panel – Once your rewards balance reaches $35, you can cash out to Paypal, Visa, Amazon, etc.
Leger Web – Earn survey dollars, cash out when you hit the $20 mark. Also has a program where you can earn $1 per friend referred.
Pure Profile – Open worldwide and pays in cash.
Reckner Opinions – Rewards are typically in the form of cash though you may occasionally receive other things too.
Research Participants - You will receive a check in the mail.  These are normally sent at the end of the month.
Resonance Research – Pays in cash to Paypal for every survey. Must complete entire survey to get paid.
Socratic Forum – Get paid in cash, Amazon GC, or receive sweeps entries for surveys taken.
Survey Lion – Pays in cash and/or gift cards as an incentive for answering surveys. Open to Canada, too.
Survey Spree – By Opinion Place. They give $5 for signing up and you also qualify for other rewards for completing surveys (Paypal cash).
Tech Facts – Get cash for every survey, cash out at $50.
Triaba Panel – Pays $1 to $5 per survey. Invites come via email.
Vizu Panel – Pays in cash to Paypal, $5 just for signing up.
VocaLab – Pays via Paypal within five days of taking surveys.