So with a few updates and corrections from earlier, this is the 2013 grid.
Honda Racing Honda Civic
1. Gordon Shedden
2. Matt Neal
Addison Lee Motorbase Ford Focus ST S2000 and Ford Focus ST NGTC
4. Michael Caine (Donington onwards)
66. Liam Griffin (JST)
eBay Motors BMW 125i M
5. Rob Collard
18. Nick Foster
29. Colin Turkington
PPCGB.com/Kraftwerk Racing Volkswagen CC
6. Tom Onslow-Cole
22. Howard Fuller
Airwaves Racing Ford Focus ST NGTC
7. Mat Jackson
8. Aron Smith
Welch Motorsport Proton Persona and Ford Focus ST S2000
10. Daniel Welch
12. David Nye (JST)
Dynojet Toyota Avensis
11. Frank Wrathall
Wix Racing Audi A4
13. Rob Austin
14. Will Bratt
AmD Tuning Volkswagen Golf
15. James Kaye (JST)
Speedworks Motorsport Toyota Avensis
17. Dave Newsham
48. Ollie Jackson
RCIB Insurance Racing Vauxhall Insignia
20. James Cole
31. Jack Goff
BTC Racing Chevrolet Cruze Hatch NGTC
28. Chris Stockton (Snetterton onwards)
Ciceley Racing Toyota Avensis
33. Adam Morgan
BMR Restart SEAT Leon
39. Warren Scott (JST)
Wheel Heaven Houseman Racing Vauxhall Vectra
43. Lea Wood (JST)
Team Club 44 Chevrolet Cruze NGTC
44. Andy Neate
Pirtek Racing Honda Civic
55. Jeff Smith
77. Andrew Jordan
MG KX Momentum Racing MG6 GT
88. Sam Tordoff
99. Jason Plato
M247 Racing Chevrolet Cruze S2000
90. Joe Girling (JST)