I Armored Corps (American) [ of Fifth Army, 11 Jan 1943 ]
-  Hq and Hq Company, I Armored Corps
-  2nd Armored Division (American)
-  3rd Infantry Division (American)
-  9th Infantry Division (American)
-  91st Reconnaissance Squadron
-  70th Tank Battalion (Light)
-  756th Tank Battalion (Light)
-  Provisional Tank Company (Light)
-  436th Coast Artillery Battalion (Anti-Aircraft) (Automatic Weapons)
-  443rd Coast Artillery Battalion (Anti-Aircraft) (Automatic Weapons)
-  20th Engineer Regiment (Combat)
-  36th Engineer Regiment (Combat)
-  401st Engineer Battalion (Water Supply)
-  66th Engineer Company (Topographic)
-  62nd Armored Field Artillery Battalion
-  58th Armored Field Artillery Battalion
-  Hq and Hq Detachment, Provisional Ordnance Regiment (Field)
-  Hq and Hq Detachment, 43rd Ordnance Battalion (M & S)
   -  87th Ordnance Company (Heavy Maintenance) (Tank)
   -  89th Ordnance Company (Heavy Maintenance) (Field Artillery)
   -  3rd Ordnance Company (Medium Maintenance)
   -  101st Ordnance Company (Medium Maintenance)
   -  201st Ordnance Company (Depot) [u/c AtlBaseSect]
-  67th Ordnance Battalion (Heavy Maintenance) (Q) [-2co]
-  205th Quartermaster Battalion (Gas Supply)
   -  Hq and Hq Detachment
   -  C Company
-  138th Quartermaster Company (Truck) [u/c AtlBaseSect]
-  144th Quartermaster Company (Truck) [u/c AtlBaseSect]
-  A Company, 23rd Quartermaster Regiment (Tank Truck) [u/c AtlBaseSect]
-  1st Armored Signal Battalion
-  Postal Section
-  6055-E Finance Disbursement Unit
-  C Company, 101st Military Police Battalion