Name
- Foreign Office, 1782-19686
- Indo-European Telegraph Department, 1862-19315
- British Legation, Tehran, c 1836-19443
- Cable and Wireless Ltd, 1929-19813
- Government of Iran, Pahlavi dynasty, 1925-19793
- HM Treasury, 12th century-3
- Government of Persia, Qājār dynasty, 1794-19252
- Admiralty, 1708-19641
- Air Ministry, 1918-19641
- Board of Trade, Mercantile Marine Department, 1850-19391
- Government of Bombay, Public Works Department, 1857-19471
- Government of India, 1834-19471
- Government of India, Army Department, General Staff Branch, 1914-19181
- Government of India, Public Works Department, Secretary, Mid 19th century-Mid 20th century1
- HM Ambassador to Iran, 1807-19801
- HMS Bideford, Shoreham class sloop, 1931-19491
- HMS Folkestone, Hastings sloop, 1929-19471
- HMS Hastings, Hastings sloop, 1929-19461
- HMS Lupin, Arabis sloop, 1916-19461
- HMS Shoreham, sloop, 1930-19461