See Below The Top And Current Functioning Oil Company In Nigeria

Addax Petroleum Development Company Ltd
Addax Petroleum
Afren Energy Resources
African Petroleum Oil Field Services
African Petroleum Plc
Amazon Energy
Amni International Petroleum Development Company Ltd
Amosco
Ana Industries Limited
Ariboil Company Limited
Ariosh Limited
Ascon Oil company Limited
G. Technical Ltd
Bell Oil & Gas
BJ Services Company
Brawal Shipping (Oil)
Cakasa (Nig) Company Ltd
Camac (Allied Energy Resources)
CGG Veritas
ChevronTexaco Nigeria Limited
Ciscon
Compact Manifold Engineering Services
Conoco Energy Nigeria Ltd
Conoco Philips
Conoil Plc
Consolidated Oil Limited
Crestville Engineering and Technology Company Limited
DeltaAfrik Engineering Limited
Department of Petroleum Resources
Drillog Petro-Dynamics Ltd
Emex Systems
Equator Exploration Limited
Expro
ExxonMobil
Famfa Oil
First Fossil Nigeria
Flameshield Equipment Engineering Limited
Fugro Nigeria Limited
Gaslink Nigeria Limited
Geolynx Ltd
Global Energy Group
Hardy Oil & Gas Plc
Honeywell Oil and Gas Limited
Hudson Petroleum Limited
Intels Services Nigeria
Japaul Ltd
Kasolute
Ladol
Linkso
Lonadek Oil & Gas Consultants
Lubcon Limited Oil and Gas
Mabon Limited
Melvon
MI Swaco
National Engineering & Technical Co. Ltd. (NETCO)
National Petroleum Investment Management Services
NBE Oceaneering Nigeria Limited
Nexen Inc
Nigeria Liquefied Natural Gas Limited (NLNG)
Nigeria National Petroleum Corporation (NNPC)
Nigerian Association of Petroleum Explorationists
Nigerian National Petroleum Corporation
Nigerian Petroleum Development Company Ltd
Noble Drilling
Oando Group
Obat Oil and Petroleum
Oil Data
Oil Test Services
Onyx Energy Services Limited
Oriental Energy Resources Limited
Pan Ocean Oil Corporation Nigeria
Petrobras
Petroleum Geo Services
Petroleum Technology Association of Nigeria
Petrolog
Point Engineering Ltd
Precision Engineering and Procurement Company
Roxar
Sadiq Petroleum
Sahara Energy Resource Limited
Sahara Group
Sapetro
Schlumberger
Shell Petroleum Development Company Nigeria Limited
Sigmund Engineering Company Limited
Snake Island Integrated Free Zone
Socotherm
Sowsco
Statoil
Sunlink Petroleum Limited
Survicom
Technip
Total Nigeria Plc
United Geo Physical
Weafri
Weltek Nigeria Limited
WOG Allied Services Nigeria Ltd
Yinka Folawiyo Petroleum Company Ltd
Zenon Petroleum and Gas
Zukus Industries Limited