In the past years, SC SUPERQUATRO GRUP SRL main clients had been:
- Galati Lower Danube River Administration RA
- Galati Maritime Danube Ports Administration
- "Apele Romane" National Administration
- Giurgiu Danube River Administration
- Mehedinti Coordinator Zonal Center SNIF SA
- Intretinere si Reparatii Constructii Hidrotehnice Tulcea
- Navrom Shipyard Galati
- Tulcea Aker SA Shipyard
- Galati Damen Shipyard