Name
- Admiralty, 1708-19641
- British Bank of Iran and the Middle East, 1889-19521
- British Legation, Tehran, c 1836-19441
- British Vice-Consulate, Rasht, Early 20th century1
- Cable and Wireless Ltd, 1929-19811
- Chief Commissioner, Aden, 1932-19371
- Colonial Office, 1854-19661
- Committee of Imperial Defence, Imperial Communications Committee, 1919-19391
- Foreign Office, 1782-19681
- Government of India, 1834-19471
- Government of India, Central Stationery Office, c 1900-19471
- Lambert Brothers Ltd, 1845-1
- Legal Adviser and Solicitor to the Secretary of State for India, 1874-19471
- Perim Coal Company Ltd, Late 19th century - Mid 20th century1
- Persian Gulf Political Residency, 1822-19711