| Indian Army Cavalry | |
| 17th Cavalry East Africa Squadron | January 1915 – January 1917 |
| 25th Cavalry (Frontier Force) | August 1917 – February 1918 |
| Indian Army Mountain Artillery | |
| 22nd Derajat Mountain Battery (Frontier Force) | December 1916 – November 1918 |
| 24th Hazara Mountain Battery (Frontier Force) | April 1917 – August 1918 |
| 27th (Bengal) Mountain Battery | September 1914 – January 1918 |
| 28th (Lahore) Mountain Battery | November 1914 – January 1917 |
| Indian Volunteer Artillery | |
| Calcutta Volunteer Battery, formed from the Cossipore Artillery Volunteers | September 1914 – mid 1917 |
| Indian State Forces Artillery | |
| 1st Kashmir Mountain Battery | December 1916 – February 1918 |
| Indian Sappers & Miners 14th Company, Madras Sappers & Miners | February-November 1918 |
| 25th Railway Company, Sappers & Miners | November 1914 – December 1917 |
| 26th Railway Company, Sappers & Miners | November 1914 – December 1917 |
| 27th Railway Company, Sappers & Miners | April 1916 – April 1918 |
| 28th Railway Company, Sappers & Miners | April 1916 – September 1918 |
| No 5 Pontoon Park, Bombay Sappers & Miners | |
| No 4 Engineer Field Park, Madras Sappers & Miners | |
| No 3 Photo-Litho Section, Madras Sappers & Miners | |
| No. 4 Printing Section, Madras Sappers & Miners | |
| Indian State Forces Sappers & Miners | |
| 1st Faridkot Field Company, Sappers & Miners | November 1917 – February 1918 |
| Indian Army Infantry | |
| 5th Light Infantry | March 1916 – June 1918 |
| 13th Rajputs (The Shekhawati Regiment) | November 1914 – December 1915 |
| 17th Infantry (The Loyal Regiment) | February 1916 – December 1917 |
| 29th Punjabis | September 1914 - May 1917 |
| 30th Punjabis | December 1916 – December 1917 |
| 33rd Punjabis | May 1917 – February 1918 |
| 40th Pathans | January 1916 – February 1918 |
| 55th Coke’s Rifles (Frontier Force) | August 1917 – February 1918 |
| 57th Wilde’s Rifles (Frontier Force) | July 1916 – September 1917 |
| 58th Vaughan’s Rifles (Frontier Force), one company | February 1918 – mid-1918 |
| 61st (King George’s Own) Pioneers | November 1914 – February 1918 |
| 63rd Palmacottah Light Infantry | November 1914 – January 1917 |
| 98th Infantry | November 1914 – January 1917 |
| 101st Grenadiers | November 1914 – August 1916 |
| 127th (Queen Mary’s Own) Baluchi Light Infantry | August 1917 – February 1918 |
| 129th Duke of Connaught’s Own Baluchis | January 1916 – January 1918 |
| 130th King George’s Own) Baluchis (Jacob’s Rifles) | January 1915 – October 1917 |
| Indian Volunteer Machine Gun Units | |
| Indian Volunteer Maxim Company | September 1914 – mid-1917 |
| North-West Railway Volunteers Machine Gun Company | November 1914 – early 1918 |
| Indian State Forces Infantry | |
| Bharatpur Imperial Service Infantry | September 1914 – December 1917 |
| 3rd Gwalior Maharajah Scindia’s Own Battalion | November 1914 – December 1917 |
| Jind Imperial Service Infantry | September 1914 – January 1918 |
| Kapurthala Jagatjit Infantry | September 1914 – December 1917 |
| 2nd Kashmir Imperial Service Rifles | November 1914 – May 1917 |
| 3rf Kashmir Rifles Raghunath Regiment) | November 1914 – May 1917 |
| 1st Rampur Imperial Service Infantry | September 1914 – January 1918 |
| Indian Army Logistics and Support Units | |
| Indian Medical Service | |
| Indian Subordinate Medical Department | |
| Indian Army Hospital Corps | |
| Indian Postal Department | |
| Indian Telegraph Department | |
| Indian Supply and Transport Department | |
| Indian Ordnance Department | |
| Indian Corps of Military Staff Clerks | |
| Indian Writers | |
| Sea-going Units | |
| Royal Indian Marine | |
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