Which company works with petroleum, Apache Corporation or Alexion Pharmaceuticals?
Apache Corporation: Apache Corporation is an American petroleum and natural gas exploration and production company headquartered in Houston, Texas. Alexion Pharmaceuticals: Alexion Pharmaceuticals Inc. is an American pharmaceutical company best known for its development of Soliris, a drug used to treat the rare disorders atypical hemolytic uremic syndrome (aHUS) and paroxysmal nocturnal hemoglobinuria (PNH).
Apache Corporation