Eruma has two main businesses. Security Blinds Ltd supplies security blinds under the Secura brand. They are aluminium or rigid plastic blinds with a rotating steel bar inside each blade. They help to prevent burglaries and can withstand a bomb blast. In July 2007 Eruma acquired emergency lighting company Illuminex. The lighting uses the latest LED and battery technology. Eruma floated on 1 July 2005 at 5p a share. Eruma is Greek for 'protection' or ‘defend with a barrier'. There was a 20-for-one share consolidation on 1 September 2010.