A subsidiary of the Olympus Forge Industries, OSN is the result of a merger between TSGN's 7th Fleet and OFI's industrial conglomerate. After the fall of OFI, the OSN moved to become it's own faction; employing the few survivors of OFI and retraining them to military standards.

Not much is known about them otherwise, except for their insistence on keeping their headquarters' location a secret; and thier Xenophobic mentality against the force known as Hellspawn.