Oil Gas Vacancy Top Oil and Gas Job Vacancies
Explore the largest drilling companies worldwide offering offshore & onshore oil and gas jobs, drilling services, and global energy career opportunities.
Largest Drilling Companies Worldwide
The largest drilling companies worldwide play a critical role in the global oil and gas industry, delivering advanced onshore and offshore drilling services across the Middle East, North America, Europe, Africa, and Asia. Leading global drilling contractors such as Schlumberger, Halliburton, Baker Hughes, Transocean, Saipem, Nabors Industries, Valaris, Borr Drilling, ADES are recognized for their strong operational expertise, cutting-edge drilling technology, and strict safety standards. These companies support major energy producers with exploration drilling, well construction, directional drilling, deepwater drilling, jack-up rigs, and land rig operations, making them key drivers of global energy production.
| Rank | Company | Focus Area | Headquarters |
| 1 | Schlumberger (SLB) | Global Services | USA / France |
| 2 | Halliburton | Tech & Services | USA |
| 3 | Baker Hughes | Tech & Services | USA |
| 4 | Nabors Industries | Land Drilling | USA |
| 5 | Valaris Limited | Offshore Rigs | United Kingdom |
| 6 | Transocean | Deepwater | Switzerland |
| 7 | Noble Corporation | Offshore | United Kingdom |
| 8 | Helmerich & Payne | Tech-Land | USA |
| 9 | Saipem | EPC & Drilling | Italy |
| 10 | COSL | Asia/Offshore | China |
Offshore Drilling Companies
With rising global energy demand, the top drilling companies in the world continue to invest heavily in digital drilling solutions, automation, sustainable drilling practices, and high-performance rigs. Their services are essential for oilfield development, gas exploration, offshore drilling projects, and large-scale EPC operations. By combining experienced drilling crews, modern equipment, and compliance with international HSE standards, these global drilling contractors maintain their position as industry leaders. Businesses and professionals searching for worldwide drilling companies, oil and gas drilling contractors, offshore drilling firms, or international drilling services rely on these organizations for reliable and efficient energy solutions.