GEM Solutions UK Ltd - Nottingham

Eclectic Energy Limited - Nottinghamshire

Smart Energy Projects LTD - Ripley

All Seasons Group Ltd - Sheffield

Underwood Electrical Ltd - Newcastle

Ecogen UK - Doncaster

Wing Energy - Nottingham

Power & Control Electrical & Renewables - Derby

Solarfixer Ltd -

Fusion Solar UK (Sheffield HQ, northern office) - Sheffield