Port Harcourt, the capital of Rivers State in southern Nigeria, is often referred to as the “Oil Capital of Nigeria” — and for good reason. It serves as the headquarters and operations base for many of the country’s leading oil and gas companies. Since crude oil was first discovered in Oloibiri, the Niger Delta region, in 1956, Port Harcourt has remained a central hub for exploration, production, and energy services.
Today, the city is home to a wide range of multinational oil corporations, indigenous exploration firms, oilfield service providers, and engineering companies. These firms contribute significantly to Nigeria’s economy and provide thousands of direct and indirect jobs.
In this comprehensive guide, you’ll find an extended and up-to-date list of oil and gas companies operating in Port Harcourt across different sectors, including upstream, midstream, downstream, and support services.
🔷 Major Multinational Oil and Gas Companies in Port Harcourt
These companies are heavily involved in exploration, drilling, production, and exportation of crude oil and gas. They are often referred to as “upstream” players.
1. Shell Petroleum Development Company of Nigeria (SPDC)
Shell has operated in Nigeria for over 50 years and maintains a massive presence in Port Harcourt. The Shell Industrial Area (IA) in Rumuobiakani is one of the largest oil company compounds in Africa, hosting administrative offices, logistics, and housing for staff.
2. Chevron Nigeria Limited
Chevron operates across the Niger Delta and has one of its core bases in Port Harcourt. The company engages in oil exploration, refining, and gas development, with a key interest in deepwater projects and the Escravos Gas-to-Liquids plant.
3. TotalEnergies Nigeria
TotalEnergies, formerly known as Total Nigeria, has upstream and downstream operations in Port Harcourt. The company operates joint ventures and has participated in some of Nigeria’s largest oil fields.
4. Eni (Agip) – Nigerian Agip Oil Company (NAOC)
Eni’s Nigerian subsidiary, NAOC, operates multiple flow stations and pipelines across Rivers and Bayelsa States. Its Port Harcourt office plays a central role in managing operations, logistics, and community relations.
5. ExxonMobil (via affiliates)
While ExxonMobil’s primary operations are based in Akwa Ibom, they maintain regional offices and logistics coordination in Port Harcourt to manage pipeline connections and service operations.
🔷 Indigenous Exploration and Production Companies
These Nigerian-owned firms are key players in promoting local content and managing marginal fields, oil blocks, and indigenous operations.
6. BelemaOil Producing Ltd
BelemaOil is one of Nigeria’s top-performing indigenous E&P companies. It has a strong presence in Port Harcourt, with its headquarters located near Peter Odili Road.
7. Eroton Exploration and Production Company
Eroton operates Oil Mining Lease (OML) 18 and manages various production facilities in the Niger Delta. Its operations center in GRA Phase 2, Port Harcourt, manages logistics and field activities.
8. Newcross Exploration and Production Ltd
This fully indigenous company is actively involved in upstream exploration and production. Their offices in Rumuomasi, Port Harcourt, handle field support and project development.
9. First Exploration and Petroleum Development Company (First E&P)
Although headquartered in Lagos, First E&P maintains operations and logistics hubs in Port Harcourt to support its Niger Delta oilfields.
🔷 Oilfield Services and Engineering Companies
These firms provide drilling, wireline, logging, construction, instrumentation, and maintenance support to upstream and midstream operators.
10. AOS Orwell
AOS Orwell offers advanced engineering services, including wellbore construction, process automation, and drilling tools. Their large facility in the Trans-Amadi Industrial Layout is a center of oilfield excellence.
11. Schlumberger Nigeria Ltd
Schlumberger, one of the largest oilfield service providers globally, has its Port Harcourt base for well services, drilling, and measurement operations.
12. Baker Hughes
Baker Hughes provides integrated oilfield services including pressure pumping, geoscience data, and artificial lift systems. It has a strong footprint in Port Harcourt.
13. Halliburton Nigeria
Halliburton, a key name in oil and gas services, operates a regional base in Port Harcourt for cementing, drilling fluids, and pipeline solutions.
14. Weatherford Nigeria
Weatherford supports local operations with services ranging from completions to well construction.
15. Orwell International Oil & Gas
This indigenous company is known for drill bit services, completions, and instrumentation support. Located in Trans-Amadi, they support both major and smaller E&P clients.
16. Dominos Oil and Gas Services
A homegrown company specializing in waste management, pipeline support, and project coordination across Niger Delta oilfields.
17. Pelfaco Limited
Pelfaco is a leading player in dredging, marine logistics, and project management. Based in GRA Phase 2, their services support several multinational firms.
🔷 Engineering, Procurement & Construction (EPC) Companies
These companies provide pipeline construction, facility maintenance, plant design, and other EPC-related services to the oil and gas sector.
18. Nestoil Ltd
Although its headquarters is in Lagos, Nestoil has a notable project base in Port Harcourt. It’s well-known for pipeline construction and engineering support.
19. Calaya Engineering Services
Located in Trans-Amadi, Calaya delivers asset integrity management, inspection, and corrosion control.
20. Ana Industries Ltd
Ana Industries is engaged in supplying drilling chemicals, lubricants, and providing technical services to the oil and gas sector.
21. Bell Oil & Gas
Bell is a fast-growing indigenous oilfield service company, offering fabrication, procurement, and instrumentation services from its Port Harcourt branch.
22. Cakasa Nigeria Company Limited
Cakasa provides process engineering and fabrication services, particularly in FPSO and refinery construction.
🔷 Midstream & Logistics Companies
These companies focus on transportation, storage, and distribution of oil and gas products.
23. Nigeria LNG Limited (NLNG)
Though its plant is located in Bonny Island, the company’s support operations and administrative functions are largely run from its offices in Port Harcourt.
24. Intels Nigeria Limited
Provides oil and gas logistics, cargo handling, and port services through its Onne Free Zone base near Port Harcourt.
25. Japaul Oil and Maritime Services
Offers offshore logistics, vessel leasing, and oil terminal management. Their Marine Base office in Port Harcourt coordinates local operations.
🧭 Final Thoughts
Port Harcourt remains the undisputed heart of Nigeria’s oil and gas industry. From global giants like Shell and Chevron to rising indigenous players like BelemaOil and AOS Orwell, the city is packed with firms across every link in the oil and gas value chain. Whether you’re an investor, job seeker, supplier, or service provider, understanding the ecosystem of oil and gas companies in Port Harcourt is crucial to navigating opportunities in Nigeria’s energy sector.
As Nigeria continues to push local content, improve energy efficiency, and expand natural gas development, Port Harcourt will continue to grow as a center of innovation, investment, and industrial growth in oil and gas.