Name
- Political Resident, Persian Gulf, 1822-19713
- HM Treasury, 12th century-2
- Indian Political Service, External Affairs Department, 1937-19472
- Political Agent and Consul, Muscat, 1861-19712
- AHQ, Iraq, 1941-19551
- Admiralty, 1708-19641
- Air Ministry, 1918-19641
- Emir of Qatar, Mid 19th century-1
- Foreign Office, 1782-19681
- Government of India, Department of Defence, 1938-19471
- Headquarters, British Forces, Aden, Mid 20th century1
- King of Bahrain, 1783-1
- Ministry of Supply, 1939-19591
- Political Agent, Bahrain, 1905-19711
- Qatar Petroleum Company, 1935-1976?1
- Royal Air Force, 1918-1
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19701