Fire Defence Agency

is an organisation of firefighters. They do not battle Infernals, like the Fire Force. Instead, they focus on fire prevention and work with the Fire Force to minimise the damage of Infernal outbreaks.

History
Alongside The Holy Sol Temple and Tokyo Army, members of the three organisations formed the Special Fire Brigade. As a result, Special Fire Force Company 4 and Special Fire Force Company 8 are both under the Defense Agency's control, with former firefighters Sōichirō Arg and Akitaru Ōbi leading each respectively.

The current Chief meets with Ōbi  to discuss the possibility of uniting the three founding organisations to stop the Preacher. The Chief states that Haijima Industries refuses to cooperate without further evidence and instead puts his fate in Company 8's autonomous action.

Trivia

 * They are the equivalent to the real world firefighters.