HQ & A-D Squadrons 1st (County of London) Yeomanry
3 & 4 Field Company 2nd London Division RE
HQ and 1-4 Sections 2 London RE Divisional Signal Company
HQ and A-H Companies
18th (County of London) Battalion The London Regiment (London Irish Rifles)
HQ and 4-6 Companies London Brigade ASC Division Transport and Supply Columns
1 & 2 London General & Clearing Hospitals RAMC
1 & 2 London Sanitary Company's RAMC
First Aid Nursing Yeomanry HQ