u talking abt kpmg karachi? in that case they are;
nbp,standard chartered,meezan bank(last year at kpmg),bank alhabib,soneri bank,hsbc,deutche bank,sindh bank,silk bank
pso (last year at kpmg) ,ici,qasim international container terminal,efu,orix leasing
u will notice most of their big clients are banks,and there have been many cases in which an audit trainee has been unable to obtain proper exposure during his articleship in manufacturing clients.that said exposure in a bank is lot more beneficial than in manufacturing client but u need proper balance.