ASE SANAT Co. procures materials from a wide spectrum from local up to international market. We believe the use of our normal vendor list would result in economic benefits to the client, however, we choose the material supply sources based on approved vendor list of each specific project. We list below typical vendors for the supply of materials:
| Item | Sub-Vendor | Origin |
| Plate | POSCO | Korea |
| Dillinger | Germany | |
| Dufferco | Belgium | |
| Tyssen Krupp | Germany | |
| Corus | UK | |
| Salzgitter | Germany | |
| Mobarake Steel Compl. | Iran | |
| Columbus | South Africa | |
| Tubular | Dufferco | Belgium |
| Corus | UK | |
| Intermetal | UK | |
| Nippon Steel | Japan | |
| Sumitomo | Japan | |
| Tenaris | UK | |
| Outokumpu | Finland | |
| South Korean manufacturer | ||
| Forgings | Gharb Flange | Iran |
| Machine Sazi Arak | Iran | |
| OK Kung | Korea | |
| KJS | Korea | |
| Shinwoo Metal | Korea | |
| Juchan | Korea | |
| Dished head | Kartal Bombe Sanayi | Turkey |
| Cerec-Antonius | France-Holland | |
| Arabian Oasis | UAE | |
| South Korean manufacturer | ||
| Welding Consumable | ESAB | Sweden |
| AMA | Iran | |
| Bohler | Austria | |
| Kiswel | Korea | |
| Welding Alloy | UK | |
| Bolting | Part Sazi Mashhad | Iran |
| Poolad Pichkar | Iran | |
| Bastarvan | Iran | |
| Gasket | Kimia Faravar Sanat | Iran |
| Imen Behineh Saz | Iran | |
| Klingiran | Iran | |
| Atbin Esta | Iran | |
| Paint | Ronas | Iran |
| Rangin Zereh | Iran | |
| Demis Chemi | Iran | |
| Bajak | Iran | |
