The Annex Oleum is the main refinery of the system and responsible for a considerable part of the supply of oil and gasses. The continuous production is therefore a vital part for the entire planetary infrastructure.
The sources for the raw materials are various asteroids and planets in the nearby systems. Especially the gas giants which contain unlimited resources are interesting. However, with these planets high pressure, temperature and radioactivity, harvesting is a challenging task and they often take a high told to relinquish their property.