1plusX AG
33Across
Active Agent (Virtual Minds GmbH)
Acxiom
Ad Alliance GmbH
adality GmbH
AdColony, Inc.
AddApptr GmbH
AdDefend GmbH
Adelaide Metrics Inc
Adex (Virtual Minds GmbH)
Adform (A/S)
Adgear Technologies, Inc.
ADITION (Virtual Minds GmbH)
Adkernel LLC
Adloox SA
admetrics GmbH
Admixer EU GmbH
Adnuntius AS
Adobe Advertising Cloud
Adobe Audience Manager, Adobe Experience Platform
adrule mobile GmbH
AdSpirit GmbH
adsquare GmbH
AdsWizz Inc.
Adtelligent Inc.
advanced store GmbH
ADventoris SAS
ADYOULIKE SA
Amazon Ad Server
Amazon Advertizing
Amnet GmbH
Amobee Inc.
Aniview LTD
Anzu Virtual Reality LTD
Apester Ltd
Arbeitsgemeinschaft Media-Analyse
Artefact Deutschland GmbH
Ask Locala
AudienceProject Aps
Audienzz AG
AuDigent
audio content & control GmbH
Avantis Video Ltd
AWIN AG
Axel Springer Teaser Ad GmbH
Baidu USA
bam! interactive marketing GmbH
BeeswaxIO Corporation
belboon GmbH
Bidstack Limited
BIDSWITCH GmbH
Bidtellect, Inc
BidTheatre SA
BILENDI SA
Blis Global Limited
Bombora Inc.
Brand Metrics Sweden AB
Browsi
C Wire AG
Celtra Inc.
Clinch Labs LTD
Cloud Technologies S.A.
Comcast International France SAS
Commanders Act
Comscore B. V.
ConnectAd Demand GmbH
Contact Impact GmbH / Axel Springer Teaser Ad GmbH
Converto AG
Criteo SA
crossvertise GmbH
dataXtrade GmbH
DEFINE MEDIA GMBH
Delta Projects AB
Dentsu A/S
Dentsu Italia SpA
Dianomi PLC
DoubleVerify Inc.
dpa-infocom GmbH
DynAdmic
Dynamic 1001 GmbH
Dynata LLC
EASY Marketing GmbH
EASY Media GmbH
eBay Inc
EMBRACE Systems GmbH 
Emerse Sverige AB
emetriq GmbH
Epsilon
Exactag GmbH
Exponential Interactive, Inc d/b/a VDX.tv
Eyeota Pte Ltd
Factor Eleven GmbH
Filter Technology Limited
Firstlead GmbH (ADCELL)
Flashtalking
Footballco Media Limited
Fyber Monetation Ltd.
Gamned
Gemius SA
Genius Sports UK Limited
GeoEdge
GfK SE
GlobalWebIndex
glomex GmbH
Goldbach Group AG
Google Advertising Products
GP One GmbH
GroupM UK Limited
GumGum, Inc.
Havas Media (Artemis Alliance S.L.U.)
Hearts and Science München GmbH
Hillside (Sports) GP Limited
Hurra Communications GmbH
Hybrid Theory Global Ltd
ID5 Technology Ltd
Impactify SARL
Improve Digital
Index Exchange Inc.
INFOnline GmbH
Ingenious Technologies AG
InMobi Pte Ltd
Innovid LLC
Inskin Media LTD
Integral Ad Science, Inc.
INVIBES GROUP
INVIDI technologies AB
IPONWEB GmbH
iProspect GmbH
Jaduda GmbH
Jivox Corporation
Justpremium BV
Kairion GmbH
Kayzen
Kochava Inc.
KUPONA GmbH
lead alliance GmbH
Liftoff Mobile, Inc.
LinkedIn Ireland Unlimited Company
LiquidM Technology GmbH
LiveIntent Inc.
LiveRamp
LoopMe Limited
Lotame Solutions, Inc
Lucid Holings, LLC
M. D. Primis Technologies Ltd.
MADVERTISE MEDIA
Magnite, Inc.
Magnite, Inc. (Outstream)
Media.net Advertising FZ-LLC
Microsoft Advertising
MindTake Research GmbH
MiQ Digital Ltd
MNTN
Mobil Professionals BV / Sage & Archer BV
Mobility-Ads GmbH
Mobkoi Ltd
Monet Engine Inc
MPX GmbH
Nano Interactive Group Inc.
NEORY GmbH
Netpoint Media GmbH
netzeffekt GmbH
NEURAL.ONE
Neustar, Inc., a TransUnion Company
Next Millenium Media INC
Nielsen International SA
Nielsen Media Research Ltd.
Ogury Ltd
One Tech Group GmbH
OneTag Limited
Online Media Solutions LTD (BDA: Brightcom)
Online Solution
OpenX
Opinary GmbH
Oracle Advertising
Otto (Gmbh & Co KG)
Outbrain UK Ltd
Permodo GmbH
Permutive Limited
Petal Ads
Pixalate, Inc.
Placense Ltd
Platform161 B.V.
Polar Mobile Group Inc.
Prebid.org
ProSiebenSat.1 Digital Data GmbH
Publicis Media GmbH
PubMatic, Inc
PulsePoint, Inc.
Pure Local Media GmbH
Quantcast
Rakuten Marketing LLC
RATEGAIN ADARA INC
Readspeak Oy
Realytics
Remerge GmbH
Reppublika Data Analytics and Technologies GmbH
ResponsiveAds, Inc.
retailAds GmbH & Co. KG
RevJet
Rockerbox, Inc
Roku Advertising Services
Roq.ad GmbH
RTB House S.A.
Salesforce.com, Inc.
Samba TV, Inc.
Samsung Ads
Seeding Alliance GmbH
Seedtag Advertising S.L
Semasio GmbH
Sharethrough, Inc
Showheroes, SE
ShowHeroes SRL
Skimbit Ltd
Smaato, Inc.
SMADEX, S.L.U
Smart Adserver
smartclip Europe GmbH
Smartclip Hispania S.L
Smartology Limited
SMARTSTREAM.TV GmbH
SoD ScreenOnDemand GmbH
Sojern, Inc.
SOMQUERY SOMTAG - (SevenOne Media)
Sonobi, Inc.
Sourcepoint Technologies, Inc. (non-CMP)
Sovrn, Inc.
Sportradar AG
SpotX, Inc
Ströer, SSP GmbH (SSP)
Sublime
SunMedia
TabMo SAS
Taboola Europe Limited
TAPTAP Digital SL
TargetVideo GmbH
Teads France SAS
The Kantar Group Limited
The MediaGrid Inc.
The Reach Group GmbH
The UK Trade Desk Ltd
travel audience GmbH
TripleLift, Inc.
twiago GmbH
Underdog Media LLC
United Internet Media GmbH
Unruly Group LLC
uppr GmbH
usemax advertisement (Emego GmbH)
Verve Group Europe GmbH
Vidazoo Ltd
Vidcrunch LLC
video intelligence AG
Vidoomy Media SL
VLYBY Digital GmbH
Wagawin GmbH
Webgains GmbH
Weborama
Welect GmbH
Wizaly
Xandr, Inc.
Yahoo EMEA Limited
Yieldlab (Virtual Minds GmbH)
Yieldlove GmbH
Yieldmo, Inc.
YOC AG
Zemanta Inc.
zeotap GmbH