Name
- Foreign Office, 1782-19688
- Air Ministry, 1918-19645
- Imperial Airways, 1924-19395
- Commonwealth Relations Office, 1947-19663
- Deutsche Luft Hansa, airline, 1926-19453
- HM Ambassador to Iran, 1807-19803
- Indian Political Service, External Affairs Department, 1937-19473
- Ministry of Civil Aviation, 1945-19532
- Ministry of External Affairs, India, 1947-2
- Political Resident, Persian Gulf, 1822-19712
- Air Attaché, Tehran, Mid 20th century1
- British Overseas Airways Corporation, 1939-19741
- China National Aviation Company, 1937-1
- Committee of Imperial Defence, 1904-19391
- Director of Civil Aviation in India, Mid 20th century1
- Director-General of Civil Aviation, Egypt, Mid 20th century1
- Eurasia Aviation Corporation, 1925-19431
- Government of India, Foreign Secretary, 1843-19371
- Government of India, Industries and Labour Department, 1924-1937?1
- HM Ambassador to Afghanistan, 1922-1