Name
- Foreign Office, 1782-19685
- Bank Melli Iran, 1928-2
- Commonwealth Relations Office, 1947-19662
- Government of India, Foreign Secretary, 1843-19372
- Ministry of Finance, Iran, Early 20th century-2
- Administrator General of the Finances of Iran, 1942-19451
- Arabian American Oil Company, 1933-19881
- British Legation, Tehran, c 1836-19441
- Colonial Office, 1854-19661
- Government of India, Foreign and Political Department, 1783-19371
- Government of Iraq, Early 20th century-Mid 20th century1
- HM Ambassador to Iran, 1807-19801
- Indian Political Service, External Affairs Department, 1937-19471
- United Overseas Petroleum Company, c 1947-c 19551