PTEC (PART Technologists Energy Company) is Iranian company working on South Pars Phases 13 and 14. IRGC controlled Khatam Al-Anbiya is in charge for South Pars Phases 13 and 14. Despite US sanctions on Iran and PTEC (PART Technologists Energy Company) involvement with Khatam Al-Anbiya, foreign companies working with PTEC (PART Technologists Energy Company), according to their official website:
1. Buhlmann (Germany)
2. Velan (Canada)
3. Sferova S.r.l (Italy)
4. Valvospain (Spain)
5. Salzgitter Mannesmann Stainless Tubes (Germany)
6. Tubos Reunidos (Spain)
7. Vallourec (France)
8. Melesi (Italy)
9. Delcorte (Italy)
10. Metalfar
11. Infra Technology (United States)
12. Tenaris (Italy)

ifmat - PTEC piping partners

PTEC Piping partners

ifmat - PTEC Valve partners

PTEC – Valve partners

ifmat - PTEC hitech partners

PTEC – Hi-Tech Partners

Source » PTEC official website