Please find below a full list of TTXGP teams and their corresponding riders:
HTBLAUVA – TGM (AU) Martin Loicht
eROCKIT (D) Rigo Richter
eROCKIT (D) David Madsen-Mygdal
XXL (D) Thomas Schoenfelder
TORK (INDIA) Garth Woods
ManTTx Racing (IoM) Dan Kneen
Rondine Racing Team (IT) Alessio Corradi
Brunel X-team (UK) Steve Harper
EVOdesign (UK) Mick Grant
EVOdesign (UK) Olie Linsdell
EVOdesign (UK) Paul Owen
Imperial TTxGP (UK) Chris Palmer
Kingston University (UK) Maria Costello
Team Agni (UK/INDIA) Robert Barber
Barefoot Motors Racing (USA) Chris Petty
Brammo/BIKE (USA) Roy Richardson
Cool World Team (USA) Steve Macdonald
Cool World Team (USA) Antonio Maeso
Electric Motorsport (USA) Chris Heath
Electric Motorsport (USA) Marie Hodgson
KillaCycle Racing/Lightning Motorcycles (USA) Alan Connor
Mission Motors (USA) Thomas Montano
MotoCzysz (USA) Mark Miller
http://blog.ttxgp.com/index.php?op=ViewArticle&articleId=28&blogId=1TheKneeslider has some good articles including this overview...
http://thekneeslider.com/archives/2009/04/08/ttxgp-teams-and-riders-announced/