Also called carotid artery disease, carotid stenosis is caused by a buildup of plaque inside the artery wall that reduces blood flow to the brain. The process of plaque buildup is called atherosclerosis. Carotid stenosis is a major risk factor for stroke and can lead to brain damage.
Most shipbuilders in the United States are privately owned, the largest being Huntington Ingalls Industries, a multibillion-dollar defense contractor, and the oldest family owned shipyard being Colonna's Shipyard in Norfolk, VA.
History[edit] In 2009, the company, then known as Pulte Homes Inc., bought rival Centex â creating the nation's largest homebuilding company â in a stock transaction worth $3.1 billion, including $1.8 billion of debt. Pulte completed the acquisition of Centex February 23, 2010.