Marine Organization

Oceanic Systems ("Marine Agency" in Crunchyroll's translation, "Marine Organization" in Yen Press') is a production guild in Elder Tale. They are one of the largest and most powerful trade guilds in Akiba. Their guild is one of the 11 founding members of the Round Table Alliance. It has the highest stated number of members in the new world. Notably it is also one of the three guilds that funded Shiroes purchase of the Guild building.

Overview
Oceanic Systems is the largest production guild in Akiba. After the Catastrophe, the guild doubles in size between the first and sixth volumes due to the number of people who quit fighting and turned to production. The guilds treasury is massive able to fund the purchase of The Guild Building in Akiba by itself. The guild members are highly skilled as they are able to build a huge powered ship made entirely out of metal in a matter of months.