This is the order of battle for the American Expeditionary Force at the beginning and end of the Meuse-Argonne Offensive, September 26 to November 11, 1918.

General John J. Pershing, Commanding

I Corps

Major General Hunter Liggett, Commanding

• 28th Division (Maj. Gen. Charles H. Muir)
• 35th Division (Maj. Gen. Peter E. Traub)
• 77th Division (Maj. Gen. Robert Alexander)
• Reserve: 92nd Division (Maj. Gen. Charles C. Ballou)

III Corps Major General Robert Lee Bullard, Commanding

• 4th Division (Maj. Gen. John L. Hines)
• 33rd Division (Maj. Gen. George Bell)
• 80th Division (Maj. Gen. Adelbert Cronkhite)
• Reserve: 3rd Division (Maj. Gen. Beaumont B. Buck)

V Corps Major General George H. Cameron, Commanding

• 37th Division (Maj. Gen. Charles S. Farnsworth)
• 79th Division (Maj. Gen. Joseph E. Kuhn)
• 91st Division (Maj. Gen. William H. Johnston)
• Reserve: 32nd Division (Maj. Gen. William G. Haan)

In Reserve

• 1st Division (Maj. Gen. Charles P. Summerall)
• 29th Division (Maj. Gen. Charles G. Morton)
• 82nd Division (Brig. Gen. William P. Burnham)

General John J. Pershing, Army Group Commander

Lieutenant General Hunter Liggett, Commanding

I Corps Major General Joseph T. Dickman, Commanding

• 42nd Division (Maj. Gen. Charles T. Menoher until Nov 7, Maj. Gen. Charles Dudley Rhodes until Nov 10, Brig. Gen. Douglas MacArthur)
• 77th Division (Maj. Gen. Robert Alexander)
• 78th Division (Maj. Gen. James H. McRae)

III Corps Major General John L. Hines, Commanding

• 3rd Division (Brig. Gen. Preston Brown)
• 5th Division (Maj. Gen. Hanson E. Ely)
• 32nd Division (Maj. Gen. William G. Haan)
• 90th Division (Maj. Gen. Henry T. Allen)

V Corps Major General Charles P. Summerall, Commanding

• 1st Division (Brig. Gen. Frank Parker)
• 2nd Division (Maj. Gen. John A. Lejeune)
• 29th Division (Maj. Gen. Charles G. Morton)
• 80th Division (Maj. Gen. Adelbert Cronkhite)
• 89th Division (Maj. Gen William M. Wright)

Lieutenant General Robert L. Bullard, Commanding

IV Corps Major General Charles H. Muir, Commanding

• 4th Division (Maj. Gen. Mark L. Hersey)
• 28th Division (Maj. Gen. William H. Hay)
• 37th Division (Maj. Gen. Charles S. Farnsworth)

VI Corps Major General Charles C. Ballou, Commanding
(Note: With the exception of one brigade from the 88th Division, VI Corps did not actively participate in the battle.)

• 7th Division
• 88th Division
• 92nd Division

French II Colonial Corps

• French Division
• French Division
• 26th Division
• 79th Division

French XVII Corps

• French Division
• French Division
• 33rd Division
• 35th Division

At one point or another during the 47-day battle, all or part of 23 American divisions were engaged in the fighting:

• 1st Division
• 2nd Division
• 3rd Division
• 4th Division
• 5th Division
• 26th Division
• 28th Division
• 29th Division
• 32nd Division
• 33rd Division
• 35th Division
• 36th Division
• 37th Division
• 42nd Division
• 77th Division
• 78th Division
• 79th Division
• 80th Division
• 81st Division
• 82nd Division
• 88th Division
• 89th Division
• 90th Division
• 91st Division
• 92nd Division

• "Report of General John J. Pershing, U.S.A., Commander-in-Chief, American Expeditionary Force". November 20, 1918. Retrieved 2009-05-21.
• Rinaldi, Richard A. (2004). The U.S. Army in World War I - Orders of Battle. Takoma Park, Maryland: Tiger Lily Publications. ISBN 978-0-9720296-4-3.