McKesson

2016 Revenue: $192.5 billion
One-year Revenue Change: 6.2%

The issue of drug-price gouging, which began attracting significant notice in late 2015, has certainly left its mark on companies the sector. And other factors have also affected the often highly profitable industry. The country’s largest pharmaceuticals distributor, McKesson (mck, +0.63%), has cut its U.S. workforce by 4% in a bid to cut costs as drug prices stalled and the industry consolidated.