Links:

D8233 related sites
Class 15 Preservation Society Facebook Page Official C15PS Facebook page.
D8233 Facebook Page Updates and Photos of the work on D8233.
D5705 Facebook Page Updates and Photos of the work on D5705.
BTH Paxman YouTube Page Latest videos of the restoration of D8233.
D8233's YouTube Page Archive videos of the restoration of D8233.
Rob Mason flickr gallery of C15PS Chairman Rob Mason.
Departmentals.comInfo site with pictures of the departmental Class 15s.
 
Preserved Railways and Loco Groups
East Lancashire RailwayThe pro-diesel line in northwest England and home of D8233!
ELR Diesel GroupThe collective diesel groups based at the East Lancs Railway.
Class Forty Preservation SocietyCustodians of 40106, 40135 and mainline 40145.
Class 37 Loco GroupRestorers of 37003.
Deltic Preservation Society Owners of D9009, D9015 and 55019.
D7629 (25279) Info regarding ELR based D7629.
47765 Info regarding ELR based 47765.
Diesel Traction Group Owners and operators of D8568, D7029, D821 and D1015.
Heritage Shunters Trust Owners of ex-BR and industrial shunting engines.
Irish Traction Group Owners of a variety of Irish locomotives.
 
Miscellaneous
WNXXThe definitive site for up-to-date UK fleet news.
Branch Line Society GEN PageAll the latest news on diesel galas.
Six Bells JunctionAn encyclopedia of railtour info from across the decades.
Co-Bo WorldInformation on the unique Co-Bo survivor D5705.
Class 25 ActionList of over 15,000 passenger workings hauled by Class 25s.
Derby SulzersDavid Hills' epic BR/Sulzer Type 2 website.
NYMR DieselsInformation site for diesel workings on this famous line.
Hellfire! The haulage bashing simulator website.
UK TrainSimThe online home of UK-based railway simulator info.
Richard Carr's Paxman History Page Also what it says on the tin!
   
Suppliers and Companies
Alasdair Morgan Ltd  
Anvil Tool Company  
Bowers Electrical  
TK Engineering and Gearcutting  
Beaver Sports (Yorks.)  
BT-H Magnetos Limited Owners of the BTH trademark.
Dowding & Mills Now Sulzer
Heanor Haulage  
Little Loco Company Ltd. Manufacturer of 'O' gauge model of the Class 15.
London & North Western Railway Co. Ltd. Now Arriva TrainCare
SiliconHoses.com