Main ones I can remember are

SOUTH SHIELDS
Catch A Bus vs Busways/SNE from 1986 to 1997
Redby Travel late 80s
TWOC X2 early 90s

SUNDERLAND.
Catch A Bus vs Busways/SNe from 1987 to 1997
Redby Travel from 1986
OK Travel from 1986
TWOC early 90s
Michael Franks 1986 til ?
Jolly Bus pre 1986 til ?
Welco Early 90s

NEWCASTLE
Andersons 1986 til ?
Derwent Coaches 1986 til ?
OK Travel pre 1986 til 1995
Low Fell Coaches pre 1986 til ?
TWOC early 90s
Welcome early 90s
HMB early 90s


Probably loads more but if others can help answer the ?s and also any that I have missed