Oil Company - Port Harcourt
Melvn Nigeria Limited - Port Harcourt
Plot 19, Stadium Road. Port Harcourt.Rivers.
Schlumberger Support Nig. Ltd - Port Harcourt
Plot 2/3, Old Aba Road. Port Harcourt.Rivers.
Okosun International Ltd - Port Harcourt
5, Orumukalagbor Street. Port Harcourt.Rivers.
O.K Isokariari And Sons Nigeria Limited - Port Harcourt
8, Ikwerre Road, Mile 1. Port Harcourt.Rivers.
Rivcon Energy - Port Harcourt
Km 14/Aba Road, Eleme Junction. Port Harcourt.Rivers.
Multi-Tech Oilfield Service Ltd - Port Harcourt
102, Elekahia Road. Port Harcourt.Rivers.
W. W. White & Company Ltd - Port Harcourt
183, Trans Amadi Ind. Layout, Rivers. Port Harcourt.Rivers.
Star Oil Field Supplies & Services - Port Harcourt
Okporo Road By Artillery Junction Aba Express Way . .,. Port Harcourt.Rivers.
Profload (Services) Ltd. - Port Harcourt
145, Abuloma Road, after Ozuboko Junction. Port Harcourt.Rivers.
Orwell International (Oil & Gas) Nig. Ltd. - Port Harcourt
Plot 53 Portharcourt 234(84). Port Harcourt.Rivers.
Akoja Oil & Gas Nig Ltd - Port Harcourt
208, Aba-Ph Expressway. Port Harcourt.Rivers.
Bozmag Investment Ltd - Port Harcourt
278 Aba- Rivers Exp. Way, Rivers. Port Harcourt.Rivers.
Ikart Intl Services - Port Harcourt
4, Timothy Lane Off Rumuola Junction, Rivers. Port Harcourt.Rivers.
A.one Plant Nig Ltd - Port Harcourt
21, Aba Road. Port Harcourt.Rivers.
Executive Services Limited - Port Harcourt
Suite 4 Dynasty Hotel. Port Harcourt.Rivers.
Gabstin Industrial Services. - Port Harcourt
66, Iwofe Road. Port Harcourt.Rivers.
Ansett Integrated Services. - Port Harcourt
68, Ordinance Road, Trans Amadi Ind. L/Out. Port Harcourt.Rivers.
Excell Energy Services Ltd - Port Harcourt
Plot 68. Port Harcourt.Rivers.
Wasco Oil Services Company Nigeria Limited - Port Harcourt
Plot 56/57, Ordinance Road, Trans-Amadi Industrial Layout. Port Harcourt.Rivers.
Macdonald International Engineering Ltd - Port Harcourt
3, Evo Road, Gra Phase 2. Port Harcourt.Rivers.
Starzs Investment Co. Ltd. - Port Harcourt
Reclamation Road, Near Boat Club Rivers State 084, Rivers. Port Harcourt.Rivers.
Sealand Oilfield Services Limited - Port Harcourt
Sarah House, 180 Nta/Choba Road, Obio-Akpor. Port Harcourt.Rivers.
A.c.m Nigeria Ltd - Port Harcourt
Plots 177-180, Trans Amadi Industrial Layout. Port Harcourt.Rivers.
New Oil Field and Allied Services - Port Harcourt
Plot 49. Port Harcourt.Rivers.
conoil nigeria plc - Port Harcourt
Trans Amadi Ind. Layout,. Port Harcourt.Rivers.