Hepzelah Nigeria Limited

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

BelemaOil Producing Limited specializes in harnessing hydrocarbon resources in Nigeria, and engages in the exploration and production of such resources.

1 Belemaoil Way, Off Peter Odili Road, Trans-Amadi Industrial Area, Port Harcourt, Rivers State

0811 189 8887

Oil and Industrial Services Limited (OIS) is a full service oil and gas company that provides products and services ranging from field engineering, construction and fabrication, pipe line, offshore services among others.

8-10 Danjuma Drive, Trans-Amadi Industrial Layout, Port Harcourt, Rivers State

084 23 2024

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