These are the ones I can remember off the top of my head. I'm sure I've missed some:
Heineken, Amsterdam
De Molen, Bodegraven
De Schans, Uithoorn
Maasland, Oss
Scheldebrouwerij, Zeeland
Shipstones, Nottingham
Courage, Newark
Westcrown, Newark
Bateman, Wainfleet
Sam Smiths, Tadcaster
Fullers, London
Kernel, London
Lees, Manchester
Budvar, Ceskr Budejovice
Pilsner, Urquell Pilsen (absolutely rubbish tour)
Drei Kronen, Heiligenstdt
Brauerei Will, Schederndorf
Hofmann, Hohenschwärz
Bayreuther Bierbrauerei, Bayreuth
Schneider, Kelheim
Josef Schneider, Essing.
Devil's Backbone, Virginia
Cambridge Brewing, Cambridge