Altrans Nig Ltd Plot 474 Trans Amadi Ind Layout +234 1 333267, 332447, 331073, 331367 Oil Field Services
Africa Oilfield Services Ltd. Plot 272, Trans-Amadi Industrial Layout, +234 84 238817, 335938, 334468 Oil Field Services
Africa Telecommunications Network Ltd. 10, Balarabe Musa Cresvent, +234 1 7742291, 2619424, 2624357 Oil Field Services
African Deep Sea Services Suite Wawa House, 1231 Bishop Oluwolo Street +234 1 4703140, 4703547 Oil Field Services
Afrikan Oil and Natural Oil & Gas Exhibitions Service (Nig) Ltd Km 2 Eagle Cement Road, Mile 4 Wimpy Junction +234 84 239391, 231871 Oil Field Services
Afrilinks Nigeria Ltd. Lafayette Mall, Plot 1436, Sanausi Fafunwa Street, +234 1 2625543, 7753553, 3200566, 08022000601 Oil Field Services
Aikon Engineering Limited KM 5, East–West Road, Pumuodara, P. O. BOX 4707, Trans Amadi +234 84 611965, 613249, 612936 Oil Field Services
Aikon Engineering Limited 14 Port Harcourt/ Aba Expressway Rumuogba Obio +234 84 237785, Oil Field Services