Along the years 1998 - 2000, GII conducted several seismic projects for a variety of oil companies in diverse areas; from Diyarbakir and Ataturk Lake in the South-East, through Erzurum and Kars in the North-East, to Trakya in the European part of turkey.
• In the year 1998, GII awarded a 1070 line Km. 2D seismic project from TPAO - Turkey's national oil company.
• Two seismic projects have been executed during 1999; the first for Turkese Perenco, a subsidiary of Perenco, a French company with their Exploration Dept. located in London. This survey included 620 line Km., in the area of South-East Turkey (Bismil) and in addition , GII conducted a small seismic survey of 50 line Km. for Petrom a local subsidiary of the Romania National Oil Co.
• In the year 2000 GII executed two seismic 2D projects for different oil companies which were exploring in Turkey: the first one, some 320 line Km. for Tur-Kan (Trans Dominion Group of Canada),  and the second seismic project, of 370 line Km. in the area of Terakia - conducted for Turkese Perenco, a subsidiary of Perenco, a French company with their Exploration Dept. located in London;