Magazines and Associations:
Deliver Magazine www.delivermagazine.com
FOLIO: magazine www.foliomag.com
Magazine Launch www.magazinelaunch.com
Magazine Publishers of America www.magazine.org
PIA/GATF www.gain.net
Publishing Executive www.pubexec.com
Society of National Association Publications (SNAP) www.snaponline.org
Western Publications Association - WPA www.wpa-online.org

Mailing and Distribution:
DHL www.dhl-usa.com/home/home.asp
FedEx www.fedex.com
United States Postal Service www.usps.com
USPS Applications www.usps.com/forms/appforms.htm
USPS CAPS Forms www.usps.com/tools/findaform/centralizedaccountpaymentsystemforms.htm
USPS Forms and Publication www.usps.com/about/formsandpublications.htm
USPS Periodicals Forms www.usps.com/forms/periodicals.htm
UPS www.ups.com
USPS Rapid Information Bulletin Board System www.ribbs.usps.gov.

For Designers:
Adobe Acrobat User Community www.acrobatusers.com
Adobe Photoshop Evangelist www.jkost.com
InDesign Secrets www.indesignsecrets.com
MacFixIt www.macfixit.com
Specifications Web Offset Publications (SWOP) www.swop.org