TESS offers courses and training within the following subject areas:
- Welding
- Assistance with certification of welders, machineoperators, and solderers
- Testing of welders (site-testing)
- Fallprotection
- Scaffolding user
- FSE course
- Slinger/Rigger
- GSK safetycourse
- Flangeassembly according to NS-EN 1591-4
- Fittings and Small Bore Tubing systems NOG 143