Name
- Foreign Office, 1782-19689
- Petroleum Concessions Limited, 1935-8
- Political Resident, Persian Gulf, 1822-19718
- Abu Dhabi Company for Onshore Oil Operations, 1936-5
- Bahrain Petroleum Company, 1929-5
- Emir of Kuwait, 1718-5
- Kuwait Oil Company, 1934-5
- British Legation to Saudi Arabia, 1930-19474
- Emir of Qatar, Mid 19th century-4
- King of Bahrain, 1783-4
- Political Agent, Bahrain, 1905-19714
- Anglo-Iranian Oil Company Limited, 1909-19543
- Bahrain Political Agency, 1900-19713
- Persian Gulf Political Residency, 1822-19713
- Political Agent, Kuwait, 1904-19613
- Board of Trade, 1786-19702
- Kuwait Political Agency, 1899-19612
- Admiralty, 1708-19641
- Adviser to the Government of Bahrain, 1926-19571
- Arabian American Oil Company, 1933-19881