Name
- Foreign Office, 1782-196811
- Mesopotamia Expeditionary Force, Chief Political Officer, 1914-1920?5
- Government of India, Foreign and Political Department, 1783-19374
- Viceroy and Governor-General of India in Council, 1773-19474
- Euphrates and Tigris Steam Navigation Company, 1861-19603
- HM Treasury, 12th century-3
- Political Resident, Persian Gulf, 1822-19713
- War Office, 1857-19643
- British Bank of Iran and the Middle East, 1889-19522
- Cox, Percy Zachariah, Knight, army officer and colonial administrator, 1864-19372
- Eastern Bank Limited, 1909-19712
- Imperial Government of the Ottoman Empire, 1908-19182
- Permanent Under-Secretary of State for India, 1858-19352
- Robert Wönckhaus and Company, 1890s-Early 20th century2
- al-Naqib, Talib bin Rajab, Pasha, ruler and politician, 1862-19292
- Anglo-Iranian Oil Company Limited, 1909-19541
- Board of Trade, 1786-19701
- Boote, Edgar & Rylands, solicitors and notaries, early 20th century1
- Civil Commissioner, Mesopotamia, 1917-19201
- Colonial Office, 1854-19661