First Aberdeen · First Berkshire & The Thames Valley · First Bristol · First Cymru · First Devon and Cornwall · First Eastern Counties · First Edinburgh · First Essex · First Glasgow · First Hampshire & Dorset · First Leicester · First London · First Manchester · First Potteries(First Chester & The Wirral) · First Somerset & Avon · First South Yorkshire · First West Yorkshire (First Bradford, First Calderdale & Huddersfield, First Leeds) · First York (York Park and Ride)
Aircoach · First Student · First Student Canada · First Transit · Greyhound Lines · Carolina Trailways · Texas, New Mexico, and Oklahoma Lines · Vermont Transit Lines · BoltBus · Greyhound Canada · Grey Goose Bus Lines · New World First Bus · Vancouver Island Coach Lines
First Capital Connect · FirstGBRf · First Great Western · First ScotRail · First TransPennine Express · Hull Trains · Heathrow Connect