GSG Energy

541 Saintfield Road, Belfast, BT8 8ES

11 Dunturk Road, Castlewellan, BT319PF

The Business Centre, Draperstown, Magherafelt, BT45 7AG

18 Springtown Road, Londonderry, BT48 0LY

Unit 5 The Walmer Courtyard, 225-227 Walmer Road, London, W11 4EY

31 Priory Road, Fareham, PO15 5HU

Unit 48b North City Business Centre, Belfast, BT15 2GG

Overhouses, Drumclog, Strathaven, ML10 6RQ

UNIT 5, Llanelli Gate, Dafen, Llanelli, SA14 8LQ

1a Calow Lane, Chesterfield, S41 0AL