(This item has been updated to correct the number of patients served.)
What it does: Jones Regional Medical Center is a hospital in Anamosa, Iowa, that serves more than 55,000 patients a year.
How it grew: Almost all of Jones' 150% surge in revenue has come since 2009, when the hospital moved to a new $14 million building in Anamosa. That move helped the hospital solidify its presence in Jones County and expand its reach to neighboring communities.