British Security Industry Association - www.bsia.co.uk
SIA - www.the-sia.org.uk
NSI - www.nsi.org.uk
Home Office - www.homeoffice.gov.uk
Metropolitan Police - www.met.police.uk
International Professional Security Association - www.ipsa.org.uk
MI5 - www.mi5.gov.uk
FBI - www.fbi.gov
NOCN - www.nocn.org.uk
City & Guilds - www.city-and-guilds.co.uk
Skills for Security - www.skillsforsecurity.org.uk
British Transport Police - www.btp.police.uk
CIA - www.cia.gov