Haijima Industries (灰島重工, Haijima Jūkō) is an organisation that has a major influence on the Special Fire Force, manufacturing all the equipment that Special Fire Force utilises. Despite Special Fire Force Company 5 being officially controlled by the Tokyo Army, Haijima holds a heavy influence over it. To the extent of being able to appoint a new Captain as a means of securing research material. Captain Giovanni for Special Fire Force Company 3 also works alongside Haijima Industries.
In Year 186, when Shinra was discovered to have Third Generation abilities, Haijima Industries designed special shoes for him, containing liquid nitrogen, which would allow him to control his abilities.
The company president and other important officials spectated from the sidelines of the Rookie Fire Soldier Games. Eventually, the actions of the Ash Flame Chivalric Order cause the Tokyo Empire to declare that all Companies must expand their Scientific investigations. As a result, the head of Haijima's incendiary research, Victor Licht joins Special Fire Force Company 8 under imperial order.