Name
- Foreign Office, 1782-19685
- 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
- Government of Persia, Qājār dynasty, 1794-19252
- HM Treasury, 12th century-2
- Admiralty, 1708-19641
- Air Ministry, 1918-19641
- Government of India, 1834-19471
- 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
- HMS Triad, yacht, 1915-19331
- Imperial Airways, 1924-19391
- Native Agent, Trucial Coast, Sharjah, c 1823-19491