Well, at a guess I would say that as most of the companies listed on the tickets in SCIDB's link above are manufacturers, and most will have their own room, so it's a fairly safe bet that you'll see each companies prime product ranges

Then there's the retailers who will bring along their own stock plus some brands not covered directly by other exhibitors. What are Audio Works, Acoustica, Bradys, and Sevenoaks key brands then?