Name
- Adam and Charles Black, of London; printers, 1807-1
- Admiralty Office1
- Admiralty War Staff, Naval Intelligence Division, 1912-19643
- Admiralty, 1708-19642
- Admiralty, Hydrographic Department, 1795-1
- Air Council, 1918-19641
- Air Ministry, 1918-19641
- Air Survey Company of India, Early 20th century - Mid 20th century1
- Aitchison, Charles Umpherston, Knight, administrator in India, 1832-18967
- Allan, A, fl 18181
- Allan, Alexander, 1st Baronet, politician, c 1764-18201
- Allen and Co William H., London, England1
- Army. Intelligence Branch, India, 1878-194710
- Arrowsmith, Aaron, artist and cartographer, 1750-18234
- Asiatic Lithographic Press, Calcutta, 1823-Mid 19th century2
- Australia Army of1
- Baker, Herbert, Knight, architect and author, 1862-19461
- Barth, F., German printer, fl 18711
- Bartholomew, John George, geographer and cartographer, 1860-19202
- Bateman & Son, engravers, Early 19th century-Mid 19th century5