In recent years Tecnoweld Italia has received approvals from the major national and international players in the Oil & Gas industry:
- British Petroleum
- Cameron Drillng System H
- Chevron
- FMC Technologies
- Gazprom
- General Electric Oil & Gas
- McDermott Oil & Gas
- National Oil Well Varco
- Oil State Industries
- Petrobras
- Petrofac
- Saipem
- Shell
- Statoil Petroleum
- Total