Name
- HM Treasury, 12th century-1
- Imperial Iranian Army, 1925-19791
- Indian Oil Concessions Limited, Mid 20th century-Late 20th century1
- Iraq Petroleum Company, 1912-1
- Mills, Dorothy Rachel Melissa, traveller and novelist, 1889-19591
- Ministry of Foreign Affairs, Iraq, 1924-1
- Mobil, 1911-19991
- Patriarch of the Assyrian Church of the East, 1820-1
- Persian Gulf Political Residency, 1822-19711
- Petroleum Concessions Limited, 1935-1
- Petroleum Division, 1929-19701
- Political Agent and Consul, Muscat, 1861-19711
- Political Agent, Kuwait, 1904-19611
- Political Agent, Turkish Arabia, 1812-18921
- Qatar Petroleum Company, 1935-1976?1
- Qājār, Abu'l-Fatḥ Mīrzā, Sālār al-Dawla, 1881-19611
- Resident, Hyderabad, c 1800-19471
- Royal Dutch Shell, oil company, 1907-1
- Secretary of State for Foreign Affairs, 1782-19681
- Secretary of State for India, United Kingdom, 1858-19351