Grand Commerce
du Sud
Specialist distributor based in Mégrine, Tunis. We supply design offices, installers and public utilities with the hydraulic and pumping equipment their projects need.
Our story
Founded in 1995 by the Neji family, GCS has designed and sold complete ranges of valves, fittings, pipes and accessories for drinking-water networks, irrigation, sanitation and industry for over thirty years. Our products are recognised across Tunisia and exported to North Africa, the Middle East and sub-Saharan Africa.
Our strengths
- 01
Seven product families
Valves, ductile iron, polyethylene, brass, connection kits, welding machines, pumps and motors.
- 02
Proven compliance
Our references meet ISO and EN standards, with approval for drinking-water networks.
- 03
Nationwide reach
Delivery from Mégrine to jobsites across Greater Tunis, the Sahel, the South and the mining basin.
- 04
A technical team
Four sales contacts who read your plans, size lines and recommend the right reference.
Leadership team
- MNMourad NejiManaging Director
- CNChokri NejiCommercial Director
- MRMohamed RajahManagement
Certifications and standards
Our partner manufacturers are audited and certified against the major European standards. The products we distribute meet the regulations in force for drinking-water and industrial networks.

CE certificate of conformity
Butt fusion welding machines, compliant with the Machinery Directive 2006/42/EC and the Low-voltage Directive 2006/95/EC. Standards: EN ISO 12100, EN ISO 14121 and EN 60204.
Open certificate
ISO 9001 certification
Quality management system of partner manufacturer Smart Joint, audited to ISO 9001. Tight control over manufacturing and full traceability.
Open certificate