24th Cavalry Squadron, 5th Cavalry Regiment, King's Guard - () 12th Signal Corp Battalion - () Logistic Battalion, 12th Service Support Regiment - () 1st Army Support Command - () 21st Logistic and Service Battalion - () 21st Maintenance Battalion - () 21st Ordnance Battalion - () 21st Signal Corp Battalion - () 1st Development Division - () 1st Development Regiment - () 1st Development Battalion - () 1st Combat Engineer Regiment, King's Guard - () 52nd Combat Engineer Battalion, King's Guard - () 112th Combat Engineer Battalion, King's Guard - () Military District Commands - () 11th Military District - () 12th Military District - () 13th Military District- () 14th Military District- () 15th Military District - () 16th Military District - () 17th Military District - () 18th Military District- () 19th Military District - () 110th Military District - () 2nd Army Area () – headquartered in Nakhon Ratchasima and is responsible for the northeastern quadrant. 3rd Infantry Division - () (Fort Suranari, Nakhon Ratchasima Province ) 3rd Infantry Regiment - () 1st Infantry Battalion 2nd Infantry Battalion 3rd Infantry Battalion 8th Infantry Regiment - () 1st Infantry Battalion 2nd Infantry Battalion 3rd Infantry Battalion 13th Infantry Regiment - () 1st Infantry Battalion 2nd Infantry Battalion 3rd Infantry Battalion 3rd Field Artillery Regiment - () 3rd Field Artillery Battalion 8th Field Artillery Battalion 13th Field Artillery Battalion 103rd Field Artillery Battalion 3rd Reconnaissance Cavalry Company - () 3rd Combat Engineer Battalion - () 3rd Signal Corp Battalion - () 3rd Combat Medical Battalion - () 3rd Long Range Reconnaissance Patrols Company - () 6th Infantry Division - () (Fort King Phutthayodfa Chulalok Maharat, Roi Et Province) 6th Infantry Regiment - () 1st Infantry Battalion 2nd Infantry Battalion 3rd Infantry Battalion 16th Infantry Regiment - () 1st Infantry Battalion 2nd Infantry Battalion 3rd Infantry Battalion 23rd Infantry Regiment - () 1st Infantry Battalion 2nd Infantry Battalion 3rd Infantry Battalion 6th Field Artillery Regiment - () 6th Field Artillery Battalion 16th Field Artillery Battalion 23rd Field Artillery Battalion 106th Field Artillery Battalion 6th Reconnaissance Cavalry Company - () 6th Combat Engineer Battalion - () 6th Signal Corp Battalion - () 6th Combat Medical Battalion - () 6th Long Range Reconnaissance Patrols Company - () 3rd Cavalry Division - () (Fort Tinsulanonda, Khon Kaen Province) 6th Cavalry Regiment - () 6th Cavalry Squadron, 6th Cavalry Regiment - () 21st