The Terellian Alliance was forged on a world the rest of the galaxy thought was dead. Terra Prime's surface cracked open in the Long Burn, driving its people underground for six generations. They came back up changed. Their first interstellar craft was, by any reasonable definition, a mining barge.
Federated rather than ruled, the Alliance is a coalition of guildhalls, each one specialising in a single industrial discipline, each one with a vote in the Council of Furnaces. Disputes are resolved by output. If your guild can refine more eonium per tick than mine, your word carries on the floor. This sounds inhumane on paper. In practice, it has produced fifteen thousand years of staggering material abundance and approximately zero civil wars.
“Mining isn't extraction. It's completion.”
Their signature warship, the Dreadnought, is the doctrine made manifest. Other races build hunter-killers. The Terellians build a mining city, surround it with point-defence, and let the enemy break themselves on it. A Terellian fleet does not pursue. It arrives. It extracts. It leaves the system colder and emptier than it found it.
Outsiders read this as greed and miss the point. The Terellian relationship with matter is older than economics. To them, the galaxy is a vast unsorted seam of resources that the gods left half-finished, and every ingot pulled, every panel rolled, every ship hull plated is one more piece of the work. Mining isn't extraction. It's completion.
The downside is well-documented. Terellian fleets are slow. Their hulls are heavy. A Xandir Raider squadron can be in and out of a Terellian convoy lane before the convoy has finished acknowledging it. But Terellians count time differently. Lose a barge today, build three tomorrow. Lose a system this year, terraform two more next year. The Alliance does not lose wars of attrition. It is the war of attrition.