| ActBlue
|
| Ad Council
|
| American Association Of Advertising Agencies (4A's)
|
| American Forest Foundation
|
| Association of Canadian Advertisers
|
| CEIR (Center For Exhibition Industry Research)
|
| Charlotte Regional Visitors Authority
|
| Coalition For Innovative Media Measurement (CIMM)
|
| CONSEJO DE INVESTIGACIÓN DE MEDIOS
|
| CTAM
|
