1st Armored Division (American) [ of II Corps, 11 Jan 1943 ]
-  [Subordinate organization not detailed in the source document.]

1st Armored Division (American) [ of IV Corps, 9 Apr 1945 ]
-  1st Tank Battalion
-  4th Tank Battalion
-  6th Armored Infantry Battalion
-  11th Armored Infantry Battalion
-  13th Tank Battalion
-  14th Armored Infantry Battalion
-  81st Cavalry Reconnaissance Squadron, Mechanized
-  1st Armored Division Artillery
   -  27th Armored Field Artillery Battalion
   -  68th Armored Field Artillery Battalion
   -  91st Armored Field Artillery Battalion
-  16th Armored Engineer Battalion

1st Armored Division (American) [ of IV Corps, 23 Apr 1945 ]
-  Headquarters and Headquarters Company
-  Combat Command A
   -  Headquarters and Headquarters Company
-  Combat Command B
   -  Headquarters and Headquarters Company
-  Reserve Command
-  1st Armored Division Trains
   -  Headquarters and Headquarters Company
   -  123rd Ordnance Maintenance Battalion
   -  47th Armored Medical Battalion
   -  Military Police Platoon
-  1st Armored Division Band
-  81st Cavalry Reconnaissance Squadron, Mechanized
-  16th Armored Engineer Battalion
-  1st Engineer Assault Company (Provisional)
-  1st Armored Division Artillery
   -  Headquarters and Headquarters Battery
   -  27th Armored Field Artillery Battalion (105mm Howitzer Self-Propelled)
   -  68th Armored Field Artillery Battalion (105mm Howitzer Self-Propelled)
   -  91st Armored Field Artillery Battalion (105mm Howitzer Self-Propelled)
-  1st Tank Battalion
-  4th Tank Battalion
-  13th Tank Battalion
-  6th Armored Infantry Battalion
-  11th Armored Infantry Battalion
-  14th Armored Infantry Battalion
-  141st Armored Signal Company
-  501st Counter Intelligence Corps Detachment [att]