Name
- Cable and Wireless Ltd, 1929-19814
- British Legation, Tehran, c 1836-19443
- Government of Iran, Pahlavi dynasty, 1925-19792
- Indo-European Telegraph Department, 1862-19312
- Court of Directors, East India Company, 1599-18581
- Foreign Office, 1782-19681
- Government of India, Director-General of Telegraphs, 1856?-19141
- Government of India, Industries and Labour Department, 1924-1937?1
- Indo-European Telegraph Company, 1868-19291
- Minister for Foreign Affairs, Iran, 1821-1
- North Western State Railway, Asia, 1886-19471
- Secretary of State for India and Burma, United Kingdom, 1935-19471
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19701
- War Office, 1857-19641