Name
- Political Resident, Persian Gulf, 1822-19719
- Robert Wönckhaus and Company, 1890s-Early 20th century6
- Foreign Office, 1782-19685
- Government of the German Empire, 1871-19184
- Emir of Sharjah, al-Qāsimī dynasty, 1866-3
- German Consul, Bushire, Early 20th century3
- Permanent Under-Secretary of State for Foreign Affairs, 1790-19683
- Permanent Under-Secretary of State for India, 1858-19353
- Persian Railways Syndicate, 1911-19393
- Ambassador of France to the United Kingdom, Early 18th century-2
- Ambassador of the Russian Empire to the United Kingdom, 1706-19172
- British Legation, Tehran, c 1836-19442
- Government of India, Foreign and Political Department, 1783-19372
- Société Internationale d'Etudes du Chemin de fer Transpersan, 1912-early 20th century2
- Trans-Iranian Railway, 1927-2
- Baring Brothers and Company Limited, 1891-19951
- British Bank of Iran and the Middle East, 1889-19521
- Emir of Mohammerah, c 1800-19361
- Frank C Strick and Company Limited, shipping company, 1885-19721
- German Chargé d’Affaires, Tehran, Early 20th century1