And here are some regionals. You will have to look up the details:
Ireland.
Aer Arann
CityJet
Eirjet
Scotland.
Highland Airways
UK.
Air Southwest
Air Wales
AlphaOne Airways
Aurigny Air Services
BA Connect (jet)
BA Connect (turboprop)
BAC Express Airlines Ltd
Birmingham European Airways
Eastern Airways
Flybe British European (Turboprop)
Keen Airways
Loganair
Primeflight
Scot Airways
Titan Airways Ltd
Wightflight
bmi Regional
euromanx