Shell Petroleum Development Company of Nigeria Limited
21/22 Marina,
PMB 2418, Lagos.

Elf Petroleum Nigeria Limited
35, Kofo Abayomi Street,
Victoria Island,
P.O. Box 927,
Lagos.

Chevrontexaco
2, Chevron Drive,
Lekki, Lagos.

Mobil Producing Nigeria Unlimited
1, Lekki Expressway,
Victoria Island,
Pmb 12054, Marina,
Lagos.

Michelin Nigeria Limited
Plots 129-132, Trans-Amadi Industrial Layout,
P.O.Box 527,
Portharcourt

Addax Petroleum Development Nigeria Limited
10, Bishop Aboyade Cole Street,
P.O.Box 70419,
Victoria Island,
Lagos.

Aes Nigeria Barge Limited
Egbin Termal Station,
Egbin, Lagos.

Shell Nigeria Exploration & Production Company Limited (Snepco)
Nal Towers,
20, Marina,
Pmb 2418,
Marina, Lagos.

The Exprotech Nigeria Limited
314 Aba Road,
P.O.Box 3604,
Rumuokwurusi, Portharcourt.