Name
- Foreign Office, 1782-196827
- Persian Gulf Political Residency, 1822-197120
- Cable and Wireless Ltd, 1929-198115
- General Post Office, 1660-19699
- British Legation, Tehran, c 1836-19447
- Government of India, 1834-19477
- Commonwealth Relations Office, 1947-19666
- Admiralty, 1708-19645
- Air Ministry, 1918-19645
- Political Resident, Persian Gulf, 1822-19714
- Anglo-Iranian Oil Company Limited, 1909-19543
- Ministry of Foreign Affairs, Iran, 1821-3
- Political Agent, Kuwait, 1904-19613
- Secretary of State for the Colonies, United Kingdom, 1854-19663
- Bahrain Petroleum Company, 1929-2
- Bahrain Political Agency, 1900-19712
- British Legation to Saudi Arabia, 1930-19472
- Commonwealth Telecommunications Board, 1928-19692
- Emir of Kuwait, 1718-2
- Emir of Sharjah, al-Qāsimī dynasty, 1866-2