Name
- Petroleum Concessions Limited, 1935-3
- Abu Dhabi Company for Onshore Oil Operations, 1936-2
- Petroleum Development Oman, 1937-2
- Political Resident, Persian Gulf, 1822-19712
- Anglo-Iranian Oil Company Limited, 1909-19541
- Assistant Political Agent, Bahrain, c 1926-c 19501
- Emir of Qatar, Mid 19th century-1
- Iraq Petroleum Company, 1912-1
- Political Agent and Consul, Muscat, 1861-19711
- Political Agent, Bahrain, 1905-19711
- Qatar Petroleum Company, 1935-1976?1