Rahway

WITH GLOBAL prescription sales now topping $550 billion, it's clear that pharmaceutical products play an important role in many of our lives. One of the top firms in this industry is Merck, maker of drugs such as Zocor, Maxalt and Fosamax. The Whitehouse Station, N.J.-based company was ranked fifth in the world by Pharmaceutical Executive magazine in its May 2005 ranking. Though Merck's downsizing plans may have made recent headlines, its $21.493 billion in global pharmaceutical sales are certainly nothing to sneeze at. Neither is this: Merck is a huge supporter of in-plants, maintaining not one but four in-plants to serve its