Transatlantic Children's Enterprise
- Non-profit, self-help support group whose aim is to help people trace their American GI fathers and families. Includes free e-mailing list.
- http://www.gitrace.org/

Nixon, Roger E
- Specialised searches at the PRO and primary London repositories including army, navy, merchant service, occupational and other UK historical records.
- http://www.pro-search.co.uk/

Robinson, Richard S
- Specialist in Royal Air Force and prisoner of war history. Based in West Wittering, West Sussex, ENG.
- http://freespace.virgin.net/find.a/

Great War Searches
- Ancestral investigations pertaining to the British Armed Forces during WWI, undertaken by Lawrence R Woodcock. Based in London, ENG.
- http://www.btinternet.com/~greatwar.searches/

Great War Family Research
- Providing professional services that assist in locating soldiers service records, piece together their Great War history, and provide the information necessary to walk in their footsteps.
- http://www.1914-1918.org/