Users
GSP has a wide range of registered users in aerospace and in industrial engineering. A limited amount of users have agreed to have their name advertised (in alphabetical order):
| Aero Industrial Development Center - AIDC | Taichung | TW | |
| BAE Systems | London | UK | |
| Delft University TUD (Dept. of Thermal Power Engineering) | Delft | NL | |
| DSO National Laboratories | Singapore | SG | |
| Eckert & Associates, Inc | Anapolis, MD | US | |
| French MOD | Armees | FR | |
| Gasturb | Dachau | DE | |
| Hellenic Air Force - HAF | Athens | GR | |
| Indian Institute of Technology IIT (Dept. of Aerospace Engineering) | Bombay | IN | |
| Kentron (Dept. of Simulation & Design) | Centurion | ZA | |
| Loughborough University (Dept. of Aeronautical and Automotive Engineering) | Loughborough | UK | |
| Rzeszow University (Dept. of Aircrafts and Craft Engines) | Rzeszow | PL | |
| Rodir | Portlethen | UK | |
| Royal Military Academy | Brussels | BE | |
| Samsung Techwin (Power Systems, Control Group) | Changwon | KR | |
| Saturn Systems Engineering Ltd - SSEL | Northants | UK | |
| TNO TPD (Dept. of Proces Physics) | Delft | NL |