Name
- Foreign Office, 1782-19685
- British Legation, Tehran, c 1836-19444
- Government of Iran, Pahlavi dynasty, 1925-19794
- Government of India, 1834-19473
- Government of Persia, Qājār dynasty, 1794-19253
- HM Ambassador to Iran, 1807-19803
- Anglo-Iranian Oil Company Limited, 1909-19542
- D'Arcy, William Knox, petro-chemical industrialist, 1849-19172
- Agent to the Governor-General, Resident and Chief Commissioner, Baluchistan, 1876-19471
- British Consul, Seistan and Kain, 1903?-1935?1
- Cable and Wireless Ltd, 1929-19811
- French Envoy to Persia, 1805-18091
- Government of Afghanistan, Durrani dynasty, 1747-18261
- Government of India, Foreign and Political Department, 1783-19371
- Government of India, Quartermaster-General's Department, 1877-18951
- Government of the Russian Empire, 1721-19171
- Indian Political Service, External Affairs Department, 1937-19471
- Indo-European Telegraph Company, 1868-19291
- Indo-European Telegraph Department, 1862-19311
- Indo-European Telegraph Department, Assistant Superintendent, 1862-19311