What are the accepted ad formats per exchange?

Display, Video & Mobile

Adagio
AdColony
Adform
ADMAN
BidSwitch
Colossus
DailyMotion
Digg.com
Emodo (Formerly Axonix)
EMX Digital
Fandom
Fluct
Fyber
Gameloft
Gener8
Geniee
Google AdX
Guaranteed Viewable Market (curated)
Improve Digital
Index Exchange
Inmobi
ironSource
Ividence
Kargo
Kubient
LiveIntent
LoopMe
Magnite DV+
Media.net
MediaFuse
MediaMath Brand Awareness Video Marketplace (VCR)
MediaMath Brand Engagement Marketplace (CTR)
MediaMath Curated News Marketplace
MediaMath Latin America Marketplace
MediaMath Multicultural Publisher Marketplace
MediaMath Performance Marketplace
MediaMath PPR Discount Marketplace
MediaMath US Political Advertising Marketplace
MediaMath Viewable Marketplace
Microsoft Advertising Exchange
MobFox
Mobilefuse
MoPub
ONE by AOL: Display MP
OneTag
OpenX
PubMatic
Smaato
Smart RTB
SmartAdserver
Sonobi
Teads
The Media Grid
Trendus
TripleLift Video/Display/Wizard
TrustX
Unity
Unruly
Verizon Media Exchange
Verizon Media Video Exchange
Verve (mobile-only)
Vidoomy
Wunderkind (Formerly BounceX)
Xandr
Yieldlab
YieldMo
YieldOne

Native

33 Across
AdYouLike
Dianomi
GumGum
Ligatus
MediaMath Native Marketplace
My6Sense
Nativo
Outbrain
Passendo
Powerlinks
Quantum
ShareThrough
Taboola
TripleLift

Audio

Adswizz
AdTonos
Cumulus
DAX Audio
Entercom
Entravision
Pandora
Purch
Salem Media
SoundCloud
Spotify
TargetSpot
Triton Digital
Vurbl
WideOrbit

Connected TV

Beachfront
Charter
Clypd
Comcast
DirecTV
DirecTV NOW
Discovery
Fox
Freewheel
FuturesMedia
Hulu
Magnite CTV
MediaMath TV Anywhere Marketplace
MediaMath TV Anywhere Performance Marketplace
NBCU
Scripps
SlingTV
SpotX
Telaria

Digital Out of Home

Atmoshphere.tv
Broadsign
Captivate
Chive TV
Clear Channel Outdoor
Gloss Media
Hivestack
iTellio
Lemma
Perpetual Media
Place Exchange
Stroer
TouchTunes
VIOOH
Zoom Media