Around
Free membership-based service for people looking for lost friends and relatives.
http://www.around.co.uk

Boots Process Plant Operators´ meeting zone
A contact site for PPOs or CPOs from Boots or BASF, and ex PPO/CPO College students.
http://www.ilclark.btinternet.co.uk

ExResidents.co.uk
Aims to reunite ex-residents from within local communities. Registers, chatroom and links.
http://www.exresidents.co.uk

Find Lost Travel Friends
Free site that aims to reunite long lost travel friends. Search and registration.
http://www.lostamigos.net

Friends Reunited Message Board
Lists every school, and has thousands of members who post contact details, memories and discussion threads.
http://www.friendsreunited.co.uk

Help for finding missing people
This site is dedicated to helping find missing people.
http://www.search-uk.org

Lostyou.com
Site requiring registration. Database of UK workplaces and schools, aiming to help users contact ex-colleagues.
http://www.lostyou.com

Medics Meet Again
For medical workers. Free to register: anyone who has worked in the healthcare profession can join.
http://medicsmeetagain.com

Old Studio Managers
Database and contact site for ex-BBC studio managers. Contains photographs back to the 1960s, forum and pictures of old equipment.
http://www.oldsms.co.uk

PhotoAddressBook.com
Allows the user to post and view personal details and photographs, with searchable categories for finding old friends from home towns, holidays and school.
http://www.photoaddressbook.com

Stay Friends
Reunion site requiring paid registration.
http://www.stayfriends.com

VImart
Allows users to post their personal history, enabling people to find each other.
http://www.vimart.co.uk

crewconnected.com
Free site for air and marine crew, Includes online career development and computer courses as well as layover suggestions
http://www.crewconnected.com