2009 screenshot of WhiteLabelDating.com a popular white label site centered in Europe.

In the dating industry, a white label or "white label dating site" is a turn-key dating site produced by one company that is then rebranded by other companies to make the product appear as if they created it. [1]

List
The following are white label dating site services or hosts that allow people to start their own dating site, charging either monthly fees or a percentage of profits:

● WhiteLabelDating.com (site) (Alexa: 7,484; Jun 09) – create your own fully-branded dating site in just minutes; launched 03.

● Dating-Central.com (site) (Alexa: 43,011; Aug 08) – build a free dating site in 24-hours.

SomethingCupid.com (Alexa: 3,722,441; Aug 08) – description; launched 06.
Closed-Doors.com (Alexa: 4,929,373; Aug 08) – adult dating portal.
ChunkyLuv.com (Alexa: 6,072,224; Aug 08) – dating site for plus-sized people.

● WorldDatingPartners.com (site) (Alexa: 84,265; Jun 09) – start your own branded dating site; launched 06; WhiteLabelDatingSolutions.com (site) (Alexa: 1,639,561; Jul 08).

● EasyDate.biz (site) (Alexa: 124,427; Jul 08) – white label dating solutions.

● DatingSiteBuilders.com (site) (Alexa: 269,947; Jun 09) – complete dating site for less than $30/mo; launched 05.

WhatSupFriend.com (Alexa: 537,941; Jun 09) - powered by DatingSiteBuilder.com
DatingSiteListing.com (Alexa: 1,555,029; Jun 09) - powered by DatingSiteBuilder.com
DatingSitez.com (Alexa: 1,342,337; Jun 09) - powered by DatingSiteBuilder.com

● ReallyFabDating.com (site) (Alexa: 602,069; Jul 08) – white label dating software and solutions; launched 05.

● DatingRev.com (site) (Alexa: 1,210,904; Jul 08) – gets users in the online dating industry free of charge; launched 03.

● Vintacom.com (site) (Alexa: 1,702,451; Jul 08) – social networking and dating sites developer; launched 99.

DreamMates.com (Alexa: 27,698; Jul 08) – description.
SingleMe.com (Alexa: 894,480; Jul 08) – dating and matching community.
RelationshipExchange.com (Alexa: 380,663; Jul 08) is a network of online personals sites.
MeetForCoffee.com (Alexa: 8,386,251; Jul 08) – description; launched 06.
CocktailConnection.com (Alexa: N/A; Jul 08) – possibly not in operation; launched 06.
CompanionStreet.com (Alexa: N/A; Jul 08) – possibly not in operation; launched 06.

● InfinityPersonals.com (site) (Alexa: 3,113,006; Jul 08) (home) – back end solutions to dating sites/networks; launched 07; powers SexSearch.com.

References
1. White Label Dating (comparison chart) (PDF) - WorldDatingPartners.com