THE MIDDLE EAST’S

39. ADNOC Drilling
Country: U.A.E.
Sector: Energy
CEO: Abdulrahman Al Seiari
Market Value: $21 billion
Sales: $4 billion
Profits: $1.3 billion
Assets: $7.8 billion
ADNOC Drilling is one of the largest integrated drilling service companies in the world by rig fleet size, with 142 rigs. In May 2024, ADNOC completed a $935 million institutional placement, selling 5.5% of ADNOC Drilling's total share capital while retaining a 78.5% stake. Enersol, the company’s joint venture with Alpha Dhabi, announced $800 million worth of acquisitions for majority stakes in four tech-driven oilfield services firms. In May 2025, ADNOC Drilling won a contract for three island rigs by ADNOC Offshore for an estimated total contract value of $806 million.