2045 Collective
- Site web
- https://www.2045.co/
Acast
- Site web
- http://acast.com/
Accuen
- Site web
- http://www.accuenmedia.com/
Active Media Services
- Site web
- http://www.activeinternational.ca/
AcuityAds Inc.
- Site web
- http://acuityads.com/
AdButler
- Site web
- http://adbutler.com/
AdOps boost
- Site web
- http://adopsboost.com
AdTheorent
- Site web
- https://adtheorent.com
Alliance for Audited Media
- Site web
- https://auditedmedia.com/
Allvision
- Site web
- https://www.allvision.com/
Alternator Group
- Site web
- http://alternatorgroup.com/
Amazon
- Site web
- http://advertising.amazon.com