These Brittish clarinets have an excellent reputation. I would love to try one! The web site is http://www.howarth.uk.com/.
They seem to have dropped their S1 and S2 professional line of clarinets. This information is courtesy of Howard (from NY City) and current in December 2016:
Howarth Junior MX Bb Clarinet
Howarth Junior PLUS+ Bb Clarinet
Howarth Academy Bb Clarinet