Name
- Abu Dhabi Company for Onshore Oil Operations, 1936-5
- Admiralty, 1708-19645
- Bahrain Petroleum Company, 1929-5
- British Legation to Saudi Arabia, 1930-19475
- Emir of Qatar, Mid 19th century-5
- General Headquarters, Mesopotamia Expeditionary Force, 1914-19205
- Indian Political Service, External Affairs Department, 1937-19475
- Mesopotamia Expeditionary Force, 1914-19215
- War Office, 1857-19645
- Anglo-Iranian Oil Company Limited, 1909-19544
- Bahrain Political Agency, 1900-19714
- British Embassy in Iraq, Baghdad, 1932-4
- HM Ambassador to Iran, 1807-19804
- HM Ambassador to Saudi Arabia, 1930-4
- HM Chargé d'Affaires to Jeddah, 1930-Mid 20th century4
- High Commissioner, Iraq, 1920-19324
- Political Resident, Aden, 1854-19324
- Āl Sa‘ūd, ‘Abd al-‘Azīz bin ‘Abd al-Raḥmān bin Fayṣal, King of Saudi Arabia, Ibn Sa‘ūd, 1876-19534
- Air Ministry, 1918-19643
- Cable and Wireless Ltd, 1929-19813