The oil and gas companies are located in Port Harcourt, which is a is a city in Nigeria, which is Africa’s most populous state, and the continent’s largest economy. The country’s economy was previously based mainly on agriculture, but since the 1970s it has been strongly dominated by oil. Read more about Port Harcourt.

Oil Companies in Port Harcourt, Nigeria
The oil and gas companies in Nigeria are involved in all stages of the petroleum industry worldwide, but of course mostly in the West of Africa. They search for and produce petroleum, they transport, refine and market petroleum and petroleum products. They are therefore called integrated companies. So, who is the top companies in the West African town?
Top 5 Oil and Gas Companies in Port Harcourt
The following list gives the top 5 companies by number of employees:
- Shell Nigeria
- Pelfaco Ltd
- Karsto
- Oil & Industrial Services
- Karsto Global Resources
Top 20 List of Oil and Gas Businesses in Nigeria
Below is the list of top 20 oil and gas companies and firms that are related to greater Pitakwa province. Click the links to find company profile, jobs and contact details for each company. Also, use the search buttons as there are many more in the company database:
List of Oil and Gas Companies in Port Harcourt, Nigeria
- Ariboil Company Limitedancillary equipment required to handle Drilling Mud Solids Control Services
- Alexander/Ryan Marine & Safety Co.provides inspection, repair, refurbishment, field services, and certification services for a variety of equipment systems
- Nigerian National Petroleum Corporation NNOCcommercial international corporation
- Sea Petroleum and Gas Group of Companies Ltdindependent Marketer of Petroleum and Allied Products in Nigeria
- Marine Platforms Limitedtransportation and installation, barges
Companies in Nigeria
- Marine Platforms Limitedtransportation and installation, barges
- National=K=Works Inc.designer of thermohousings and down-hole equipment
- Sea Petroleum and Gas Group of Companies Ltdindependent Marketer of Petroleum and Allied Products in Nigeria
- Negris Limitedengineering services to the oil, gas, energy, and industrial sectors of the Nigerian economy.
- Nigerian National Petroleum Corporation NNOCcommercial international corporation
- KCA DEUTAGis a leading international drilling and engineering company working onshore and offshore with a focus on safety, quality and operational performance.
- Oildata Logging Service Inc.independent, solution-based Service Company delivering customized, cost-effective well-productivity enhancement solutions
- Socotherm SPAThe largest pipe coating and insulation facility in South America, Asia-Pacific and west Africa
- Alexander/Ryan Marine & Safety Co.provides inspection, repair, refurbishment, field services, and certification services for a variety of equipment systems
- Ariboil Company Limitedancillary equipment required to handle Drilling Mud Solids Control Services