Thanks for the great response and also some very enjoyable photos.

I have updated the list. And added some websites as a start. I will be taking this list to a new thread as this one has got too long and loads too slowly. This list is still Work In Progress. any corrections, additions, web sites etc are welcome ON THE NEW THREAD which is shortly to be added!

UK
* Purdey
* Holland & Holland
* Westley Richards
* W.J. Jeffery (Paul Roberts)
* Watson Bros
* John Dickson
* McNaughton
* E.J. Churchill
http://www.ejchurchillgunmakers.com
* Cogswell & Harrison
http://www.cogswell.co.uk
* William Evans
http://www.williamevans.com
* Charles Lancaster (are these currently made?)
http://www.gameguns.com
???
* John Wilkes
* Alexander Henry
* William Douglas
* Peter V Nelson
* Boss & Co (UK?)
* David McKay Brown
http://www.mckaybrown.com/index.html
* W W Greener
http://www.wwgreener.com/

Italy
* Zanardini
http://www.zanardini.com
* Rizzini
http://www.rizzini.it
* Beretta
http://www.beretta.it/
* Peruggini & Visini
http://www.intred.it
* Renato Gamba
http://www.renatogamba.it
* Pedersoli
http://www.davide-pedersoli.com
* Potti, Italy
* Ferlib, Italy
* Abbiatico & Salvinelli FAMARS

France & Belgium
* Francotte
* Chapuis
* Verney-Carron
http://www.verney-carron.com
* LeBeau Courally
http://www.lebeau-courally.com
* Marcel Thys (Belgium)
* Dumoulin (Belgium)
http://www.dumoulin-herstal.com/
* Harald Wolf (??)

Germany & Austria
* Merkel
* Krieghoff
* Blaser
http://www.blaser.de
* Johann Fanzoj
* Peter Hofer
http://www.hoferwaffen.com
* Josef Just
* Scheiring
* Jacob Koschat
* Hambusch
* Heym
* Fuchs
* Fennerwerk/Valmet/Tikka
* Ziegenhahn & Sohn
http://www.ziegenhahn.com/
* Frankonia (?)
* Hartmann & Weiss
* Ludwig Borovnik
* Josef Winkler, Ferlach

Spain
* Arrieta
* Sarasqueta (out of business?)
* Grullas
* Arrizabalaga
* Armas Ego
* Garbi

USA & Canada
* Rigby
* Searcy
http://www.searcyent.com/
* Dakota
http://dakotaarms.com
* Martini-Hagn
* Winchester (or are these out of production?)
* Browning
* Nick Makinon, Canada

Russia
* Baikal
* IZP (????)
* Shipunov
http://www.shipunov.com/eng/str/hunt/hunt1.htm
???

Czech
* CZ (I assume they still do?)