OVO

Octopus Energy

Utilities

London, England

Kaluza

Technology, Information and Internet

British Gas

Utilities

Windsor, England

Monzo Bank

Banking

London, England

SSE plc

Utilities

Perth, Perthshire

EDF (UK)

Utilities

London, England

ScottishPower

Utilities

Glasgow, Scotland

National Grid

Utilities

London, United Kingdom

Utilita Energy

Utilities

Chandler's Ford, Eastleigh, Hampshire

Centrica

Utilities

Windsor, Berkshire