use Rowan Companies, Inc. to:
List of the top or longest running businesses/companies/firms founded, started or launched in 1923; incl. corporations and public/private enterprises. Alphabetical. sortable by column.
List of many of the top drilling oil and gas wells companies in the world, with corporate logos. This list of major drilling oil and gas wells companies includes the largest and most profitable drilling oil and gas wells businesses, corporations, agencies, vendors and firms in this industry. All companies on ...more