Top 5 contributors Amgen Inc $33,300 Blue Cross/Blue Shield $26,750 Select Medical Corp $23,000 Occidental Petroleum $21,000 DaVita Inc $18,000 Top five industries: Health Professionals $222,406 Insurance $184,998 Pharmaceuticals/Health Products $145,150 Lobbyists $137,846 Hospitals/Nursing Homes $137,337 If this does not tell us why Grassley is working against Health Care Reform i do not know what does…