Dominion

From Hidden Frontier

The Dominion is an alliance of planets within the Gamma Quadrant lead by the Founders. Races known to have an association with the Dominion include the Founders, the Vorta, the Jem'Hadar, and the Cardassians.

Dominion Forces were engaged in a war for 2 years with the Federation and it's allies in the Alpha Quadrant. The war is known as the Dominion War.