American Express AeroplanPlus Platinum Card-Gives you access to Air Canada Maple Leaf Lounges
Citi Executive AAdvantage Card-You get Admirals Club membership with the card (a value of up to $850) and partner lounge access for the primary cardmember.
THESE CARDS ARE NO LONGER OFFERED BY CHASE TO NEW CARD MEMBERS-With the Chase United MileagePlus Club Card and the Chase United MileagePlus Club Business Card, you and your travel companions under the same reservation have unlimited access to all United Club locations and participating Star Alliance affiliated lounges worldwide. (If you purchase membership, you probably pay an average of $500 per year for an individual–the hefty card fee are worth it if this is the case)