Joliva Oil and Gas LLC

Shell Petroleum Development Company of Nigeria Limited is the oldest energy company in Nigeria for crude oil exploration services.

Shell Industrial Area Rumuobiakani, Port Harcourt, Rivers State, Nigeria

084 429 999

Polmaz Limited is a wholly indigenous company incorporated for the purpose of providing quality service to the Nigerian energy industry with services in engineering, procurement, supply and installation.

7 Road 2, 4th Avenue Rumuibekwe Housing Estate Extension, Port Harcourt, Rivers State, Nigeria

0909 069 2159

Thompson & Grace Investments Limited is a specialized oil and gas company providing wide range of mechanical services in machining and fabrication, cranes operation, maintenance & repair, lifting engineering solutions etc.

Km 16, Aba/Port Harcourt Expressway, Eleme Port Harcourt, Rivers State Nigeria

0818 000 4000

Hepzelah Nigeria Limited is an indigenous oil and gas company in Port Harcort that is into pipeline construction, oil and gas procurement, well maintenance and related logistics.

No.10 Chukwu Close, Rumuomasi, Port Harcourt, Rivers State

0803 648 7328

NOSBRIAN Engineering Limited offers professional engineering consultancy services to onshore and offshore oil and gas companies at affordable rates.

Plot 93 Rivoc Road, Off Trans-Amadi Indusrial Layout, Port Harcourt, Rivers State

0803 492 2408