Name
- Trans-Iranian Railway, 1927-[remove]7
- Foreign Office, 1782-19684
- Société Internationale d'Etudes du Chemin de fer Transpersan, 1912-early 20th century4
- 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
- Political Resident, Persian Gulf, 1822-19712
- Secretary of State for Foreign Affairs, 1782-19682
- Baring Brothers and Company Limited, 1891-19951
- British Consul, Khorramshahr, 1880-19681
- Government of India, Foreign and Political Department, 1783-19371
- Government of the Russian Empire, 1721-19171
- HM Ambassador to Iran, 1807-19801
- HM Ambassador to Russia, 1801-19221
- Political Agent, Kuwait, 1904-19611
- Secretary of State for India, United Kingdom, 1858-19351
- War Office, 1857-19641