GSS is located in Zarzis Park of Economics Activities (ex. Zarzis Free Zone).

Due to the legal territoral status of the zone, GSS enjoys several advantages and facilities such as:.

• - Developed infrastructure.
• - Highly efficient support structures.
• - Stratigic geographic position.

In addition to Zarzis, GSS is also established in Sfax (second city and port in Tunisia). where it deploys an intense activity in relation to the exploration and exploitation of offshore oil field activities. And it's also established in Tunis (the capital).