For companies in the health care industry, 2014 was an exceptionally busy year, as companies adapted to new Affordable Care Act regulations and sought new partners in a pharmaceutical and biotech mergers-and-acquisition spree. Some companies in the sector have taken advantage of the changes and rocketed up the Fortune 500 list, including AmerisourceBergen, which moved to No. 16 from No. 28, and Ae
![The 10 Biggest Health Care Companies in the Fortune 500](https://cdn-ak-scissors.b.st-hatena.com/image/square/174ce019d51c1a76a90f2f8c12edbb5a6f5d9842/height=288;version=1;width=512/https%3A%2F%2Ffortune.com%2Fimg-assets%2Fwp-content%2Fuploads%2F2014%2F06%2F116054971.jpg%3Fresize%3D1200%2C600)