Corporate identity uniform provider Cintas Corp on Thursday posted a six per cent rise in third quarter net profit to $59 million from the year-ago period just hours after being hit with a class action lawsuit. The Cincinnati-based company said in a statement revenue for the 13 weeks to February 28 rose 22 per cent to $664m from $545m and reaffirmed its full year revenue outlook of $2.675 billion to $2.725bn versus $2.27bn last year.