Name
- Foreign Office, 1782-19687
- Board of Trade, 1786-19703
- Secretary of State for Foreign Affairs, 1782-19683
- Government of India, Foreign and Political Department, 1783-19372
- HM Ambassador to the Ottoman Empire, 1583-19142
- United States Federal Government, 1789-2
- Agent to the Governor-General, Resident and Chief Commissioner, Baluchistan, 1876-19471
- Baghdad Railway, 1903-1
- British Bank of Iran and the Middle East, 1889-19521
- Commander of the Mesopotamia Expeditionary Force, 1914-19201
- Director-General of the Persian Postal Service, Early 20th century1
- Euphrates and Tigris Steam Navigation Company, 1861-19601
- General Post Office, 1660-19691
- Government of France, Third Republic, 1871-19401
- Government of India, Indian Munitions Board, 1917-1919?1
- Government of the German Empire, 1871-19181
- Government of the Ottoman Empire, 13th century-20th century1
- Government of the Russian Empire, 1721-19171
- HM Ambassador to Iran, 1807-19801
- HM Ambassador to Russia, 1801-19221