Name
- Bahrain Petroleum Company, Chief Local Representative, 1930-c 19712
- Colonial Office, 1854-19662
- Gray, Mackenzie and Company Limited, shipping agents, 1937-20102
- King of Bahrain, 1783-2
- AHQ, Iraq, 1941-19551
- Adviser to the Government of Bahrain, 1926-19571
- Associated Octel Company Limited, 1938-1
- Bahrain Petroleum Company, 1929-1
- Bahrain Political Agency, Confidential Office, 1900-19511
- British Bank of Iran and the Middle East, 1889-19521
- Council of British Manufacturers of Petroleum Equipment, Mid 20th century1
- Government of Pakistan, 1947-1
- Holloway White Allom, construction company, 1882-20111
- Persian Gulf Political Residency, 1822-19711
- Qatar Petroleum Company, 1935-1976?1
- Secretary of State for India and Burma, United Kingdom, 1935-19471
- Secretary of State for India, United Kingdom, 1858-19351
- Āl Sa‘ūd, Sa‘ūd bin ‘Abd al-‘Azīz, King of Saudi Arabia, 1902-19691