Vantage Drilling International is an offshore drilling contractor that operates and manages a fleet of modern, high specification drilling rigs on a worldwide basis. The company's primary business is to contract drilling units, related equipment and work crews primarily on a dayrate basis to drill oil and natural gas wells globally for major, national and independent oil and natural gas companies. Vantage also provides construction supervision services for drilling units for others and will operate and manage drilling units owned by others. The company's fleet consists of three ultra-deepwater drillships, four premium jackup drilling rigs and one standard jackup drilling rig.