Air Transport Association of America (ATAA)
1301 Pennsylvania Ave. NW, Suite 1100
Washington, DC 20004
202-626-4000
http://www.airlines.org

American Council of Highway Advertisers (ACHA)
1629 K St. NW
Washington, DC 20006
202-452-9044

Outdoor Advertising Association of America (OAAA)
1850 M Street, NW, Suite 1040
Washington, DC 20036
202-833-5566
http://www.oaaa.org

Point of Purchase Advertising Institute (POPAI)
1660 L St., N.W. Suite 1000
Washington, DC 20036
202-530-3000
http://www.popai.org

Promotional Products Association International
3125 Skyway Circle North
Irving, TX 75038-3526
972-258-3041
http://www.ppa.org

Traffic Audit Bureau for Media Measurement (TAB)
420 Lexington Ave., Suite 2520
New York, NY 10170
212-972-8075
http://www.tabonline.com