duction There are several industries in healthcare. This lesson introduces hospital medical care, healthcare equipment and supplies, and the medical device industries. These industries makes up a significant portion of the healthcare economy. Although the growth of hospitals has been in decline, the hospital industry continues to be one of the most important industries in healthcare. The medical equipment and supplies industry as well as the medical device industry are two other large sectors within the U.S. economy. Key Terms Take Note Take note Icon The following is a key term in this lesson: Medical device