CARLYSS, La., June 28 /PRNewswire-FirstCall/ -- Global Industries, Ltd. (Nasdaq: GLBL) announced today that it is conducting an internal investigation of its West Africa operations, focusing on the legality under the U.S. Foreign Corrupt Practices Act (FCPA) and local laws, of one of its subsidiary's reimbursement of certain expenses incurred by a customs agent in connection with shipments of materials and the temporary importation of vessels into West African waters.