List Of Group Buying Sites In Manila, Philippines: Online Coupons, Discounts & Vouchers

Can anyone tell me if you guys know someone who doesn't want to have at the least 50% discount on what they are buying to? Group buying sites become popular years ago because of its irresistible offers of catering products and services with very high discounts. Presently, a number of group buying sites are still existing and most of them are the ones who survived the tight competition. Here are some of them:
Ensogo [www.ensogo.com.ph]
CashCashPinoy [http://www.cashcashpinoy.com/]
EBAY [http://www.ebay.ph/]
Metro Deal [http://www.metrodeal.com/]
Deal Dozen [http://dealdozen.com/]
Deal Spot [http://www.dealspot.ph/]
Pinoy Vouchers [http://pinoyvouchers.getsocio.com/metro-manila]
Deal Grocer [https://dealgrocer.com/private-sale]
Okay Okay [http://okayokay.com/]
Deal Amigos [http://dealamigos.com/categories.php]
My Deluxe City [http://mydeluxecity.com/page/feature]
Travel Smart [http://travelsmart.com.ph/]
Groupon [http://www.beeconomic.com.ph/]
SMAC Deals [http://smacdeals.com/]
ADeals [http://www.adeals.ph/]
If you guys happen to know more of them, who has the same business concept, same service rendered or in the same industry, email me and I'll verify them before adding them on the list.
Another thing, please do not spam on the comment box below stating the link of the said new group buying site because I will not approve on publishing the specific comments.
Thank you!