Name
- Foreign Office, 1782-19682
- Imperial Airways, 1924-19392
- Air Ministry, 1918-19641
- China National Aviation Company, 1937-1
- Director of Civil Aviation in India, Mid 20th century1
- Eurasia Aviation Corporation, 1925-19431
- Government of India, Industries and Labour Department, 1924-1937?1
- HM Ambassador to Iran, 1807-19801
- India Office, Economic Department, 1921-19471
- Indian Political Service, 1937-19471
- Indian Political Service, External Affairs Department, 1937-19471
- Iranian State Airlines, 1938-19461
- Junkers, aircraft manufacturer, 1895-19691
- Koninklijke Luchtvaart Maatschappij, airline, 1919-1
- Political Resident, Persian Gulf, 1822-19711