The Centaurian Syndicate began, depending on which historian you ask, as a federation of shipping clans or an organised crime family that scaled too aggressively to remain illegal. Both versions are correct. The Centaurians consider the distinction uninteresting: what matters is that the cargo arrives, on time, in the correct quantities.
Their homeworld, Khor-Sa, is a tide-locked hub the size of a small moon: one face always facing its sun, baked into glassy crust; one face always facing the deep, frozen and dark. Centaurian civilisation hugs the terminator, a single circumferential band of dock-spires and customs houses fifty kilometres deep. Nothing is grown there. Nothing is mined. Everything is moved through. Khor-Sa is a node. The galaxy comes to it because the galaxy must.
“A Centaurian boarding action is, technically, a repossession.”
Centaurian Privateers are the doctrine's military arm: ships built first as haulers, second as warships. A Privateer's cargo bay is larger than its weapons mount. This is by design. The Syndicate does not raid for raiding's sake, it raids because the cargo, by some interpretation of contract, was always theirs. A Centaurian boarding action is, technically, a repossession.
Their relationship with the other races is transactional and notably unsentimental. The Syndicate has held both Terellian and Xandir contracts in the same fiscal quarter without either client noticing. When pressed on the ethics of this, a Centaurian Senior Factor will look genuinely puzzled, then explain, patiently, that the contracts did not exclude each other, that the parties retained their right to terminate, and that the Syndicate's reputation depends precisely on never volunteering information neither party paid for.
Centaurian fleets do not seek decisive engagements. They seek favourable terms. A Centaurian commander would rather walk away with a hold full of metal than win a battle and lose the cargo. This makes them maddening to fight against and unreliable to ally with, but no other race has ever moved more goods across more regions in less time, and that, in the end, is what they were built for.