Account Planning Group, UK (APG-UK)
http://www.apg.org.uk/

Advertising and Marketing International Network (AMIN)
http://www.aminworldwide.com

Advertising Council
http://www.adcouncil.org/

Advertising Educational Foundation (AEF)
http://www.aef.com/

Advertising Research Foundation (ARF)
http://www.thearf.org/

American Advertising Federation (AAF)
http://www.aaf.org/

American Business Media (ABM)
http://www.americanbusinessmedia.com/

American Humane Society
http://www.americanhumane.org/film

Association for Interactive Marketing (AIM)
http://www.interactivehq.org/

Association of Directory Marketing (ADM)
http://www.admworks.org/

Association of Directory Publishers (ADP)
http://www.adp.org/

Association of Hispanic Advertising Agencies (AHAA)
http://www.ahaa.org/

Association of Independent Creative Editors (AICE)
http://www.aice.org/

Association of Independent Commercial Producers (AICP)
http://www.aicp.com/

Association of National Advertisers (ANA)
http://www.ana.net/

Audit Bureau of Circulations (ABC)
http://www.accessabc.com/

Broadcast Cable Financial Management (BCFM)
http://www.bcfm.com/

Business Marketing Association (BMA)
http://www.marketing.org/

Business Publications Audit of Circulation, Inc. (BPA)
http://www.bpaww.com/

Cable & Telecommunications Association for Marketing (CTAM)
http://www.ctam.com/

Cable Television Advertising Bureau (CAB)
http://www.cabletvadbureau.com/

Canadian Business Press (CBP)
http://www.cbp.ca/

Certified Audit of Circulations (CAC)
http://www.certifiedaudit.com/

Cinema Advertising Council
http://www.cinemaadcouncil.org

Children's Advertising Review Unit (CARU)
http://www.caru.org/

Direct Marketing Association (DMA)
http://www.the-dma.org/

Electronic Retailing Association (ERA)
http://www.retailing.org/

IdeAlliance Spectrum Conference (IdeAlliance)
http://www.idealliance.org/spectrum

International Digital Enterprise Alliance (IdeAlliance) 
http://www.idealliance.org/

Interactive Advertising Bureau (IAB)
http://www.iab.net/

International Advertising Association (IAA)
http://www.iaaglobal.org

Magazine Publishers of America (MPA)
http://www.magazine.org/

Marketing Research Association (MRA)
http://www.mra-net.org/

National Advertising Division (NAD)
http://www.nadreview.org/

National Advertising Review Council (NARC)
http://www.narcpartners.org/

National Agri-Marketing Association (NAMA)
http://www.nama.org/

National Association of Broadcasters (NAB)
http://www.nab.org/

National Association of Television Program Executives (NATPE)
http://www.natpe.org/

National Cable Television Association (NCTA)
http://www.ncta.com/

New York New Media Association (NYNMA)
http://www.nynma.org/

New York American Marketing Association (NYAMA)
http://www.nyama.org/

Newspaper Association of America (NAA)
http://www.naa.org/

Outdoor Advertising Association of America (OAAA)
http://www.oaaa.org/

Partnership for a Drug Free America
http://www.drugfreeamerica.org/

Point of Purchase Advertising Institute (POPAI)
http://www.popai.org/

Privacy Leadership Initiative-- A Better Business Bureau Program
http://www.understandingprivacy.org/

Promotion Marketing Association of America (PMA)
http://www.pmalink.org/

Promotional Products Association International (PPA)
http://www.ppa.org/

Quebec Film and Television Council (QFTC)
http://www.bctq.ca

Radio Advertising Bureau (RAB)
http://www.rab.com/

Streetlights - The Commercial Diversity Initiative
http://www.streetlights.org/

Television Bureau of Advertising (TVB)
http://www.tvb.org/

The One Club
http://www.oneclub.org/

Traffic Audit Bureau for Media Measurement
http://www.tabonline.com/

World Federation of Advertisers (WFA)
http://www.wfanet.org/

Yellow Pages Integrated Media Association (YPIMA)
http://www.ypima.org/