Energy Networks Association

http://www.energynetworks.org/ 

Health and Safety Executive

http://www.hse.gov.uk/index.htm 

National Joint Utilities Group (NJUG)

http://www.njug.org.uk/ 

LinesearchbeforeUdig
http://www.linesearchbeforeudig.co.uk

Highway Authorities and Utilities Committee (HAUC UK)

http://www.hauc-uk.org.uk/ 

Water UK

http://www.water.org.uk/