The Motor Machine Gun Service was organised into Motor Machine Gun Batteries as part of the Royal Field Artillery. All personnel became part of the Motor Machine Gun Corps on their formation.
| Battery | Attached Unit | Theatre | Date in theatre | Notes |
| 1st | France & Flanders | Spring 1915 | ||
| 2nd | France & Flanders | Spring 1915 | ||
| 3rd | France & Flanders | Spring 1915 | ||
| India | March 1918 | |||
| 4th | France & Flanders | Spring 1915 | ||
| 5th | France & Flanders | Spring 1915 | ||
| 6th | France & Flanders | Spring 1915 | ||
| 7th | France & Flanders | Spring 1915 | ||
| 8th | France & Flanders | Spring 1915 | ||
| 9th | France & Flanders | Spring 1915 | ||
| 10th | France & Flanders | Summer 1915 | ||
| 11th | France & Flanders | Summer 1915 | ||
| 12th | France & Flanders | Summer 1915 | ||
| Italy | November 1917 | |||
| 13th | France & Flanders | Summer 1915 | ||
| 14th | France & Flanders | Summer 1915 | ||
| 15th | France & Flanders | Summer 1915 | ||
| India | March 1918 | |||
| 16th | France & Flanders | Summer 1915 | ||
| 17th | France & Flanders | Summer 1915 | ||
| Egypt | April 1916 | |||
| France & Flanders | March 1918 | |||
| 19th | India | March 1918 | ||
| 20th | ||||
| 21st | ||||
| 22nd | India | March 1916 |