Name
- Foreign Office, 1782-19688
- Anglo-Iranian Oil Company Limited, 1909-19547
- Anglo-Saxon Petroleum Company, 1898-19555
- Iraq Petroleum Company, 1912-4
- Royal Dutch Shell, oil company, 1907-4
- HM Ambassador to Iraq, 1932-3
- Admiralty, 1708-19642
- British Oil Development Company, 1928-19322
- Civil Commissioner, Mesopotamia, 1917-19202
- Deutsche Bank, 1870-2
- Government of Iraq, Early 20th century-Mid 20th century2
- HM Petroleum Executive, 1917-19222
- Imperial Government of the Ottoman Empire, 1908-19182
- National Bank of Turkey, 1909-19312
- Secretary of State for Foreign Affairs, 1782-19682
- Silley, Roland H, oil explorer, fl 19142
- Treherne, Higgins and Company, law firm, fl 19142
- Arabian American Oil Company, 1933-19881
- Basra Petroleum Company Limited, 1938-19721
- Board of Trade, 1786-19701