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 the top drilling oil and gas wells companies in the world, listed alphabetically with corporate logos when available. 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 the...more