petrol credit card tie up

caltex - sc, hsbc n ocbc - plus
spc - uob, amex n posb - spc&u
Esso - Citibank, ocbc n dbs - smiles
shell - uob, Citibank n hsbc - escape

cold storage, giant, metro, coffee bean, tung lok, singtel, guardian - uob
sheng siong, paragon/ tangs, starbucks , m1- citibank
ntuc, robinson, paradise, unity - ocbc
taka, crystal jade, starhub, sheng siong/ watson - dbs
suntec, vivo, ion orchard, tung lok - amex

Hsbc, dbs, ocbc do tie up with gv cathay or shaw

Maybank, cimb are less popular becos they have no petrol tie up

6 Main cc player uob , dbs, ocbc, citi, sc, hsbc