Name
- Foreign Office, 1782-19684
- Chief Commissioner, Aden, 1932-19373
- Colonial Office, 1854-19663
- Government of India, 1834-19473
- HM Ambassador to Iran, 1807-19803
- Political Resident, Persian Gulf, 1822-19713
- Secretary of State for Foreign Affairs, 1782-19683
- Director-General of the Persian Postal Service, Early 20th century2
- General Post Office, 1660-19692
- Government of Persia, Qājār dynasty, 1794-19252
- Universal Postal Union, 1874-2
- Air Ministry, 1918-19641
- Anglo-Iranian Oil Company Limited, 1909-19541
- British Consul, Kerman, c 1895-19471
- British Consul, Tehran, Mid 19th century - Early 20th century1
- British Consulate, Aleppo, 19th century-20th century1
- British Consulate, Beirut, 19th century-20th century1
- Commissioner of Police, Mumbai, 1864-1
- Euphrates and Tigris Steam Navigation Company, 1861-19601
- Government of Bombay, 1662-19471