Please goto www.dnb.com and on the right hand side you will see a box that say's 'find a Company', type into this box your local Police, Hospital, Ambulance, Fire Brigade, Council, Schools etc. Then drop the box below onto 'United Kingdom' and then click on 'FIND'. Why are they all Companies?
Try your own Public Services in your Country, are they all companies?
A few results for you to look at!