Name
- Foreign Office, 1782-19688
- Government of India, Foreign and Political Department, 1783-19374
- Secretary of State for India, United Kingdom, 1858-19353
- HM Ambassador to Thailand, 1885-2
- Indian Political Service, External Affairs Department, 1937-19472
- Ministry of Civil Aviation, 1945-19532
- Permanent Under-Secretary of State for India, 1858-19352
- Political Resident, Persian Gulf, 1822-19712
- United States Army Air Transport Command, 1942-19482
- Air Ministry, 1918-19641
- Baghdad Railway, 1903-1
- British Legation, Bangkok, Mid 20th century1
- British Overseas Airways Corporation, 1939-19741
- China National Aviation Company, 1937-1
- Colonial Office, 1854-19661
- Commonwealth Relations Office, 1947-19661
- Deutsche Luft Hansa, airline, 1926-19451
- Director of Civil Aviation in India, Mid 20th century1
- Dominions Office, 1925-19471
- Eurasia Aviation Corporation, 1925-19431