Interstel corporation owns and operates the Star port that Orbits above Arth a planetary oribital Space station. Interstel is a Joint-Stock company similar to the East India Company on Old Earth. This company makes a profit on Mineral exploration by deep space mining. Although it remains unclear from playing the game how this company makes its profits. The minerals that are exchanged at the spaceport are not on Gold standard infact Gold is not the most exspensive commodity. But theres also no commodities exchange trading becasue minerals stay at the same prices though out the game. With the exception that the Endurium Commodity (Fuel) will gradually rise in value overtime.