Osis Limited

AOS Orwell Ltd is the largest indigenous Oilfield service company in Nigeria with core business aim on well construction, welding fabrication and machining, process automation, conductor casing & OCTG manufacturing with over 30 years experience.

Oiltools Africa / Titan Tubulars Federal Lighter Terminal Onne Oil and Gas Freezone, Onne, Rivers Nigeria

084 464744

Alcon Nigeria Limited deals on oil and gas upstream, midstream and downstream, chemical and petrochemical, power generation and distribution, industrial and power plants, infrastructures, civil works and erosion control.

Onne Oil And Gas Free Trade Zone, Onne, Rivers Nigeria

0802 054 4960

Vallourec Nigeria Limited is an energy company that focuses in the manufacturing and sales of tubes and connections suitable for oil and gas well equipment and machinery.

Ikpokiri Oil & Gas Free Zone, Port Complex, Onne, River State

01 463 7456

Tecon Oil Services Limited provides specialized services in hydraulic workover, drilling and rigs, pipe casing and fabrication, oil well tools supplies, workboat & badges hire and construction etc.

Warehouse 7B, FOT, Onne Free Zone, Rivers State Nigeria

0803 316 2597

Adamac Pipe and Coating Services Limited an indigenous oil and gas services contractor also providing pipe coating and storage services with its office sited in Onne Oil And Gas Free Trade Zone.

Onne Oil And Gas Free Trade Zone,Onne Port Complex, Onne Free Zone, Rivers Nigeria

0803 707 7253