Tickle - http://www.emode.com
Self-testing psychology site. Includes tests on personality, IQ, relationships, careers, and health. Also provides a celebrity matchmaker. - [Read more]

eHarmony - http://www.eharmony.com
Compatibility and dating service focused on creating lasting relationships. eHarmony features a personality profile to get instant, objective feedback on yourself and how you relate to others. - [Read more]

TRUEBeginnings - http://www.true.com/default.htm
Matchmaking service with advanced testing to measure relationship compatibility featuring secure screening to ensure that members are single and free of criminal records. - [Read more]

It's Just Lunch - http://www.itsjustlunch.com/
Offers to arrange short lunch dates for singles. - [Read more]

Lisa Bentsen's Single Search - http://www.singlesearch.com/
Offering a two-way matchmaking service for those seeking mutual compatibility. - [Read more]

Together Dating - http://www.togetherdating.com/
Offers personal introduction services. - [Read more]

ConservativeMatch.com - http://www.conservativematch.com/
Community for conservative singles seeking like-minded friends and potential romance. - [Read more]

KisstoKiss - http://www.kisstokiss.com/home.php
Matchmaking and dating service, as well as offering letter writing to express apologies, confessions, love, and appreciation for lovers, friends, acquaintances, and family members. - [Read more]

Debut Introductions - http://www.uksingles.co.uk/
Enables users to find love, travel companions, housemates, sports partners, and more. - [Read more]

Tantric SoulMate Connection - http://www.tantric-soulmate-connection.org/
Introduction service offering astrological, numerology compatibility screening. - [Read more]