Name
- Political Resident, Persian Gulf, 1822-19715
- Air Ministry, 1918-19643
- British Overseas Airways Corporation, 1939-19742
- Imperial Airways, 1924-19392
- Ministry of Civil Aviation, 1945-19532
- AHQ, Iraq, 1941-19551
- Anglo-Iranian Oil Company Limited, 1909-19541
- Bahrain Petroleum Company, 1929-1
- Ministry of Power, 1942-19691
- Political Agent, Bahrain, 1905-19711
- Royal Air Force, 1918-1