For the purpose of this list, East Anglia is defined as Cambridgeshire, Essex, Norfolk and Suffolk

• Carters Coach Services, Ipswich •
• Cedrics Coaches, Wivenhoe •
• Chambers of Bures •
• Coach Services, Thetford •
• Ensignbus •
• Go Whippet •
• Hedingham Omnibuses •
• Ipswich Buses •
• Konect •
• Norfolk Green •

Arriva • East Anglia Independents • First Group • Go Ahead Group • South Eastern England Independents • Stagecoach Group • Southern and Western England Independents • Other groups • Former Operators • Operators outside Southern England