Here's a list of al the people I've used to do jobs on the car over the years
http://www.autopontiac.co.uk/ - Autopontiac have done the most work on the car, particularly with regard to the track stuff:
Fit most of the new suspension components
set up proper race geometry
built new engine
rebuilt autobox
basic servcing
fixing seals
supply and fitting exhaust
for rear brake conversion
http://www.marksdreamshack.com/ - Dreamshack are mainly fabricators and problem solvers. They've done a fair bit on the car though:
built and fitted the roll cage
built and fitted the G bar braces
made the rubber front spoiler
fitted the new big front brake kit
fitted new upper A arms
various welding around the car
fitted rear leaf bushes
fitted the clutch
http://davepollenenterprises.com/ - I bumped into him recently and he's semi retired, but he did few bits on the car:
Removed old engine and fitted new crate motor
Fitted new clutch
made custom clutch cylinder braket and linkage
fitted subframe connectors
some chassis welding
http://www.aldersautomotive.co.uk/ - Alders Supplied and fitted the Tremec 5 speed manual gearbox conversion, and organised the propshaft shortening and associated. I think they'd never done it before and were out of their depth, so it wasn't a great job and didn't use them again.
http://www.gearboxman.co.uk/ - otherwise known as CTS, Competition Transmission Services:
rebuild the Tremec gearbox in 2012 and fitted new clutch cylinder
http://www.longlife.co.uk/depots/exhausts-carshalton/ - Dan the boss at Longlife Carshalton branch made and fitted the custom stainless exhaust, and fitted the electric cutouts and Y pipes I had already.
http://www.topgearperformance.co.uk/ - Top Gear in St Albans made and fitted the H pipe into the exhaust
http://www.axle-services.com/contact.htm - They rebuilt and fitted a new higher gears in the rear end.