Name
- Air Ministry, 1918-19642
- British Consulate, Basra, Late 19th century-Early 20th century2
- Persian Gulf Political Residency, 1822-19712
- Admiralty, 1708-19641
- Arabian American Oil Company, 1933-19881
- Cable and Wireless Ltd, 1929-19811
- Foreign Office, 1782-19681
- Government of India, 1834-19471
- IOR/R/15/1/6681
- Middle East Telecommunications Attaché, 1946-19481
- Ministry of Civil Aviation, 1945-19531
- Political Resident, Persian Gulf, 1822-19711
- Royal Air Force, 1918-1
- Yusuf Bin Ahmed Kanoo, 1890-1