Free Press Release Distribution sites

The following are some of the important press release distribution sites, where press or news releases can be submitted free of charge. If you want maximum exposure to your release, it is recommended to go for paid ones or contribute to upgrade your release.

PRWeb - http://www.prweb.com (small contribution)
PR Urgent - http://www.prurgent.com
PRLeap - http://www.prleap.com -
PR Newswire - http://www.prnewswire.com
PRWeb Direct - http://www.prwebdirect.com -
TheOpenPress - http://www.theopenpress.com
Free Press Release - http://www.free-press-release.com
Pressbox.co.uk - http://www.pressbox.co.uk
I-Newswire - http://www.i-newswire.com/
PR Free - http://www.prfree.com/
OpenPress - http://www.openpress.com/
Soft Press Release - http://www.softpressrelease.com
Market Wire - http://www.marketwire.com
URL Wire - http://www.urlwire.com/
Web Wire - http://www.webwire.com/
EMediaWire - http://www.emediawire.com
BusinessWire - http://www.businesswire.com
PR 9 - http://www.pr9.net
PR Inside - http://www.pr-inside.com
Canada Newswire - http://www.newswire.ca/
Press Release Network - http://www.pressreleasenetwork.com