Arriva London operate all over the London Area and are split into two operating companies , London North and South, but are included here as one company. both companies are numbered in the same numbering system,

Arriva Midlands vehicles are now numbered in a common series as those of Fox County (Leicestershire) and as a whole cover an area from Leicestershire to Cheshire,

Arriva North West & Wales operate over a wide area from Aberwystwyth in West Wales to Bolton in the North west of England, pretty much mirroring the old Crosville "Empire"

Arriva Southern Counties operate in the area outside Southern London, covering areas that in NBC days were the stamping Grounds of Alder Valley, London Country and Maidstone & District. whilst North of the Thames they also operate in Southend, on services previously operated by Southend Transport

The Shires Cover the Area North of London and the Home Counties, and Milton Keynes Metro, who still operate as a seperate unit but have now received Arriva Fleet Numbers, , the accquisition of MKM now brings Arriva vehicles as far north as Northampton. where a there is an Outstation from Luton Depot (Using MKM vehicles)

Arriva Yorkshire cover an area Covering Leeds, Selby, Wakefield & York formerly operated by the Westy Riding group of Companies in NBC days

As it Name suggest's OLST opperate on tourist sightseeing services around Central London using a variety of diiferent Open top vehicles,