Groundshire Ltd phone Unit 17, Littleburn Industrial Estate Durham, County Durham DH7 8HJ map Sirius Ltd phone Russell House, Littleburn Industrial Estate Durham, County Durham DH7 8HJ map if (!IN_DEV) { ?> } ?> Solmek phone P.O Box 464 Durham, County Durham DH1 9AD map if (!IN_DEV) { ?> } ?>