Port Harcourt is home to many of Nigeria’s leading businesses, and the city remains the country’s main centre for petroleum operations. FirstNigerian.com features the leading oil and gas companies in Port Harcourt, including their locations, core services and areas of operation. Company addresses and contact details may change over time, so always verify the latest information through official sources before visiting or making enquiries.
List of Oil and Gas Companies in Port Harcourt
- Shell Petroleum Development Company of Nigeria Limited
- Belema Oil Producing Ltd
- Chevron Texaco Nigeria Limited
- Dominos Oil and Gas Services
- Eroton
- Hepzelah Nigeria Limited
- Masters Energy Oil and Gas Ltd
- Newcross Exploration and Production Ltd
- Nexpro Group
- Oil and Industrial Services Ltd
- Thompson & Grace Investments Ltd
- Geolynx Ltd
- Joliva Oil and Gas LLC
- Ciscon Nigeria Limited
- Forte Oil
- Gomas Oil Limited
- Lewis Oil and Gas
- M.A Oil and Gas
- NOSBRIAN Engineering Limited
- Obadon Maritime Limited
- Omega Maritime Services
- Pelfaco Limited
- Polmaz Limited
- Voix Integrated Services Limited
- Wizcoasts Oil Exploration Co. Ltd
- Liquid Bulk Limited
- MRS Oil Nigeria Plc
- Riquest Oil & Gas Limited
- Rufus Oil Limited
- Sixxco Oil Limited
- Raah Worldwide Solution Limited
- Chibeco Oil and Gas Nig. Limited
- Conoil Plc
- Delmar Petroleum Company Ltd
- Jushad Oil & Gas Ltd
- Aikon Engineering Limited
- Ansett Integrated Services
- Calaya Engineering Services Ltd
- Substrata Oil and Gas Limited
- The Oiltest Group
- Zeconia Limited
- Zitadel Limited
- MJD Oilfield Services Limited
Oil and Gas Companies in Port Harcourt by Location
Oil and gas businesses are spread across several commercial and industrial districts in Port Harcourt. Some areas are known for engineering workshops and fabrication yards, while others are home to corporate offices, logistics companies and offshore support operators.
Trans-Amadi Industrial Layout
Few places in Port Harcourt have a stronger industrial presence than Trans-Amadi. Engineering contractors, fabrication companies, equipment suppliers and oilfield service providers dominate this part of the city, making it one of the busiest locations for petroleum-related operations.
Companies with offices or facilities in Trans-Amadi include:
- Shell Petroleum Development Company of Nigeria Limited
- Dominos Oil and Gas Services
- Oil and Industrial Services Ltd
- The Oiltest Group
- Aikon Engineering Limited
- Calaya Engineering Services Ltd
- Ansett Integrated Services
- MJD Oilfield Services Limited
- Zeconia Limited
- Zitadel Limited
- Polmaz Limited
- Voix Integrated Services Limited
Onne Oil and Gas Free Zone
Although located outside the city centre, the Onne Oil and Gas Free Zone remains closely linked with Port Harcourt’s petroleum industry. Offshore logistics companies, marine service providers and equipment support businesses operate from this strategic zone.
Companies with operations here include:
- Oil and Industrial Services Ltd
- The Oiltest Group
- Nexpro Group
- Obadon Maritime Limited
- Omega Maritime Services
Eleme
Eleme is recognised for large industrial facilities and technical support services. Companies based here are commonly involved in engineering, petroleum processing and industrial operations.
Companies in this area include:
- Chevron Texaco Nigeria Limited
- Masters Energy Oil and Gas Ltd
- Delmar Petroleum Company Ltd
- Jushad Oil & Gas Ltd
Old GRA
Old GRA is better known for office buildings than industrial facilities. Several oil and gas companies have chosen the neighbourhood for their corporate and administrative offices because of its central location.
Companies with offices in Old GRA include:
- Belema Oil Producing Ltd
- Eroton
- Newcross Exploration and Production Ltd
- Ciscon Nigeria Limited
- Geolynx Ltd
Peter Odili Road
Over the years, Peter Odili Road has attracted a growing number of corporate offices. Engineering firms, consulting businesses and support service companies operate from this corridor.
Companies located here include:
- Hepzelah Nigeria Limited
- Thompson & Grace Investments Ltd
- Pelfaco Limited
- Riquest Oil & Gas Limited
Rumuobiakani
Rumuobiakani has become a base for several technical service providers and engineering contractors. The area also accommodates companies involved in equipment supply and field support.
Companies in Rumuobiakani include:
- NOSBRIAN Engineering Limited
- Gomas Oil Limited
- Lewis Oil and Gas
- M.A Oil and Gas
- Substrata Oil and Gas Limited
Ada-George
Ada-George combines residential and commercial development, with several petroleum marketers and support companies maintaining offices in the area.
Companies operating from Ada-George include:
- Forte Oil
- MRS Oil Nigeria Plc
- Liquid Bulk Limited
- Sixxco Oil Limited
- Raah Worldwide Solution Limited
- Chibeco Oil and Gas Nig. Limited
- Wizcoasts Oil Exploration Co. Ltd
- Joliva Oil and Gas LLC
- Rufus Oil Limited
Indigenous and Multinational Oil and Gas Companies in Port Harcourt
A walk through Port Harcourt’s business districts quickly shows the mix of companies that keep the city’s oil and gas sector running. Some are Nigerian-owned businesses that have built their operations locally. Others are international companies with offices and projects spread across several countries.
Indigenous Oil Companies
Nigerian-owned companies make up a large share of the businesses operating in Port Harcourt. They work across different parts of the industry, from exploration and production to engineering, marine support, fabrication and technical services. Many also provide specialised services to larger operators operating in the region.
Examples from this directory include:
- Belema Oil Producing Ltd
- Eroton
- Newcross Exploration and Production Ltd
- Masters Energy Oil and Gas Ltd
- Nexpro Group
- Geolynx Ltd
- The Oiltest Group
- NOSBRIAN Engineering Limited
- Dominos Oil and Gas Services
- Hepzelah Nigeria Limited
Multinational Oil Companies
International operators also maintain a strong presence in Port Harcourt. Most manage regional offices or support major projects while working alongside Nigerian contractors and service companies. Their operations often extend beyond Nigeria into other parts of Africa and the global energy market.
Examples featured in this directory include:
- Shell Petroleum Development Company of Nigeria Limited
- Chevron Nigeria Limited
- MRS Oil Nigeria Plc
- Conoil Plc
Frequently Asked Questions
What are the top oil and gas companies in Port Harcourt?
Some of the most recognised names in Port Harcourt include Shell Petroleum Development Company of Nigeria Limited, Chevron Nigeria Limited, BelemaOil Producing Ltd, Eroton, Newcross Exploration and Production Ltd, Masters Energy Oil and Gas Ltd, The Oiltest Group and Nexpro Group.
Which oil companies are located in Trans-Amadi?
engineering and oilfield service companies listed in this article include Shell Petroleum Development Company of Nigeria Limited, Oil and Industrial Services Ltd, The Oiltest Group, Dominos Oil and Gas Services, Aikon Engineering Limited, Calaya Engineering Services Ltd, Ansett Integrated Services, MJD Oilfield Services Limited, Zeconia Limited, Zitadel Limited, Polmaz Limited and Voix Integrated Services Limited.
How many oil and gas companies operate in Port Harcourt?
There is no single official figure because new businesses open, relocate or close over time. This article covers 50 well-known companies with operations or offices in Port Harcourt.
Which indigenous oil and gas companies are based in Port Harcourt?
The directory includes several Nigerian-owned companies, including BelemaOil Producing Ltd, Eroton, Newcross Exploration and Production Ltd, Masters Energy Oil and Gas Ltd, The Oiltest Group, Nexpro Group, NOSBRIAN Engineering Limited and Dominos Oil and Gas Services.
What services do oil and gas companies in Port Harcourt provide?
Their services include exploration, production support, engineering, fabrication, drilling support, marine logistics, equipment supply, maintenance, petroleum marketing and other oilfield services.
Which companies operate in the Onne Oil and Gas Free Zone?
Companies with operations in the Onne Oil and Gas Free Zone include Oil and Industrial Services Ltd, The Oiltest Group, Nexpro Group, Obadon Maritime Limited and Omega Maritime Services.
Conclusion
Port Harcourt remains Nigeria’s leading hub for oil and gas operations. The city hosts multinational operators, indigenous companies and specialised service providers that support upstream, midstream and downstream activities.
This guide provides a practical list of oil and gas companies in Port Harcourt, Nigeria, to help you identify businesses operating across the industry. Before visiting any company or making business enquiries, verify its address and contact details through official sources, as this information may change over time.
