50451503 Standard Privilege Club (10%)
50451532 Privilege Executive (20%)
50824635 10% 3+ days
50824714 15% 5+ days
47687056 Accor Guest rate not specified, but looks like 10% off
50824635 Accor 10% off 3+ days rental
50824714 Accor 15% off 5+ days rental (no prestige vehicles)
81011931 Accor Favourite Guest program member 15-20% off
51270835 Accor prestige car class discount 15%
50824731 Virgin 15% off 5+ days rental (with prestige)
50824640 Virgin 10% off 3 days or more (with prestige)
42194435 Hilton HHonors Blue member 5%
42194481 Hilton HHonors Silver member 10%
51397506 Hilton HHonors Gold member 10%
42194502 Hilton HHonors Diamond member 10%-15% off plus upgrade
44571243 - 15%
51229206 - 15%
42194502 - HHonors
42191972 - Citibank
44035484 - Diners Club
45797144 - Air France
50451544 - Europcar First