Lavalife is a unique online dating and online personals service. LavaLife boasts millions of members and thousands of successful matches.  Three community: Dating, relationship, intimate community with three different profiles saved searches.
Services: Create a Profile, Upload Photos, Upload Videos Free chat, instant messages, smiles, emails, Reply to Messages, Subscribers get access to unlimited instant messages, unlimited emails.
Data base: 8 million registered members.
Search engine: Country, state/province, city; Online activity.

Ashley Madison’s slogan is “When monogamy becomes monotony!” Online dating service that helps singles from USA, UK, Canada and Ireland to meet. The service has lots of interesting solutions that make communicating funny and entertaining. 
Data base: About 2 000 000.  Geographic Regions covered: United States, Canada, Ireland, Great Britain.

Date.com slogan – Every relationship begins with a date. Date.com have more than two million male and female members worldwide who actively use the site because it offers a convenient and safe way for singles to meet. You might wonder why someone would choose to pay a fee to communicate with other singles on the net when there are so many chat rooms online where you can talk for free.  It's because of the quality of their members. Singles who subscribe to Date.com are professional, educated, and are serious about finding a healthy, happy relationship.
Data base: About 2 million active members - USA, Canada, United Kingdom, Australia, International.

Cherry Blossoms is the company that started the business of helping single men and women meet for love and marriage over 30 years ago and has been successfully helping singles meet by publishing their picture personal ads since

Database: 75000 profiles from U.S., Ukraine, Philippines, China, Singapore, Germany, Hong Kong, Indonesia, Malaysia, South America, Europe, Belarus, Thailand, Russia, Australia, New Zealand and many other countries.

Services: Visa service

Amor.com is the most popular online dating service specifically catering for the Hispanic community. This is an easy way to meet Latin singles. It is a good place to meet a companion, a date, or a soul mate, this site is for you is the place for you.
Working experience: since 1995.
Data base: 2 million users.
Geographic Regions covered:  Latin community world wide.

With more than 15 million members, Match.com is one of the largest general interest dating sites on the Internet and one of the most successful at bringing people together. The staff at Match.com calculates that every year more than 200,000 people find the person they were seeking by using Match.com. And Match.com reports that people 50 and older represent its fastest growing user segment.
Services: Creating profile, posting photos, sending winks – free of charge Instant messaging, match mobile, member spotlight, windows live alerts.
Special features:  Differnet Match Communities, Guarantee program - If you don’t find someone special during your initial 6-month subscription, Match.com gives you an additional 6 months at no additional cost to you to continue your search. 
Data base: Over 15 million members.

Matchmaker.com aligns members into one of several demographic or geographic communities, with only limited communication between members of different communities. Data base Over 8 million singles.
Services: Send e-mails and instant messages; 
Special features: Video Webcam Chat, Hot List of favorite contacts, “become invisible”, block specific members.
Search engine features: Basic, advanced and quick searches, saved searches
Search catagories:  online now/ last visited/ Who’s new/ Featured members/ Who’s on IM/ I viewed/ Viewed me.

OkCupid is a free-of-charge social networking and dating website, which in addition also offers features including user-generated content such as blogging and member-created quizzes.
Data base: About 4,000,000 members.
Geographic Regions covered:  World-wide

Mingles.com is a free online dating community where you can make new friends, find romance, form groups and blogs, chat with people from all over the globe, join social networking and basically just have lots of fun.
Data base: about 1,000, 000 heterosexual, single, widowed, divorced, or separated men seeking women or women seeking men.
Geographic Regions covered: worldwide.

Mate1 is the intimate dating site, with millions of members in the U.S. and worldwide.
Geographic Regions covered: USA, Canada, World-wide.
Data base: About 15 million users.
Services:  Voice messages, video messages, winks, sening email, meassage boards, email notifications, romance tours of introduction, instant messaging, chat, blogs.

Single Parent Love Life (SPLL) is created in order to make it easier for Single Parents to find friendship, a date, passion or the love of a lifetime. Geographic Regions covered USA, Canada.
SPPL Services: Send smiles, instant messages, e-mails, browse and search profiles, create and post a profile, read articles and post comments, listen to SPLL-Radio programs, watch SPLL-TV, hotlist members, save searches.
Special features: Private picture option, hotlist, blacklist, SPLL-Radio programs, SPLL-TV.
Search engine: Recent profile search, quick search, custom search, saved searches.

LatinAmericanCupid.com is a popular Latin dating and Latin personals site catering to people seeking Latino ladies and Latin singles for dating, friendship and marriage. LatinAmericanCupid.com offers all the spice the Latin community is known for; hot girls, and hot guys of Latin origin, however, one does not need to be of Latin background to join the site. Along with dating and friendship, the site also contains members looking for international marriage prospects.

Services: chat rooms, video, voice or text instant messaging.
Data base: Members from Latin America, USA, Canada, Australia, Latin countries.

EuropeanKiss.org is a vibrant and unique completely free online dating site for single Europeans who appreciate the
European culture and lifestyle living in Canada, the United States and Europe, seeking fun, friendships, romance and love. Toronto, Ontario, CAN (PRWEB) October 6, 2007 -- EuropeanKiss.org, a new free online dating site, is the first online dating site to implement "Windows Vista" gadgets. Gadgets are easy-to-use mini programs that give you information at a glance in real-time. "This release is version 1 of our gadgets. We plan to continue developing future versions that will build more functionality right onto our members desktops and will make the dating process easier, quicker and more effective."

WineLoversMeet.com, a free dating site, online community and social networking site for wine lovers.  The site has been bringing wine enthusiasts together for about two years and has thousands of members, world-wide. There are many niche dating sites on the internet but few can boast the high profile membership that this one can.  With members ranging from high-income, professional men and women, mostly between the ages of 28 and 47, the demographical profile is a more upper-class and higher educated type of person.