| OATH oath.com | Los Angeles, 🇺🇸 United States | 24.9K | $5588.1M | 1.1M/mo | - | - |
| Media.Net media.net | 🇺🇸 United States | 2.6K | $575.9M | - | - | - |
| Klick klick.com | Toronto, 🇨🇦 Canada | 2.1K | $478.9M | - | - | 12% |
| Ansira ansira.com | St. Louis, 🇺🇸 United States | 2.0K | $214.6M | - | - | -1% |
| Teads teads.com | New York, 🇺🇸 United States | 1.4K | $327.0M | 295K/mo | $123.3M | 1% |
| Interbrand interbrand.com | New York, 🇺🇸 United States | 1.1K | $252.7M | - | - | -1% |
| AirPR onclusive.com | Burlingame, 🇺🇸 United States | 999 | $228.6M | 313K/mo | $21.4M | 0% |
| mktg mktg.com | New York, 🇺🇸 United States | 857 | $251.7M | - | $5M | -1% |
| Moloco moloco.com | Palo Alto, 🇺🇸 United States | 837 | $191.5M | 497.2M/mo | $191.6M | 20% |
| Mondo mondo.com | New York, 🇺🇸 United States | 832 | $186.4M | - | - | 12% |
| YeahMobi yeahmobi.com | Maricopa, 🇺🇸 United States | 779 | $174.5M | - | - | - |
| VideoAmp videoamp.com | Los Angeles, 🇺🇸 United States | 684 | $164.3M | - | $705M | 30% |
| McKinney mckinney.com | Durham, 🇺🇸 United States | 659 | $131.8M | - | - | 64% |
| MadHive madhive.com | New York, 🇺🇸 United States | 657 | $133.5M | - | $300M | -6% |
| Simpli.fi simpli.fi | Fort Worth, 🇺🇸 United States | 609 | $123.7M | - | $22.8M | 0% |
| MediaRadar mediaradar.com | New York, 🇺🇸 United States | 589 | $119.7M | - | $3.65M | -22% |
| Abelson-Taylor abelsontaylor.com | Chicago, 🇺🇸 United States | 576 | $115.2M | - | - | 5% |
| Integrate integrate.com | Phoenix, 🇺🇸 United States | 559 | $113.6M | - | $80.4M | 1% |
| Innovid innovid.com | New York, 🇺🇸 United States | 549 | $87.3M | - | $295.1M | -10% |
| Blis blis.com | London, 🇬🇧 United Kingdom | 497 | $99.4M | - | - | 9% |
| SocialCode socialcode.com | Washington, 🇺🇸 United States | 465 | $93.0M | - | - | - |
| SponsorUnited sponsorunited.com | Stamford, 🇺🇸 United States | 427 | $86.8M | - | $39.2M | -3% |
| iSpot.tv ispot.tv | Bellevue, 🇺🇸 United States | 404 | $82.1M | - | $57.8M | -2% |
| eMarketer emarketer.com | New York, 🇺🇸 United States | 375 | $75.0M | - | - | 18% |
| IZEA izea.com | Winter Park, 🇺🇸 United States | 345 | $48.8M | 51K/mo | $34.9M | 3% |
| TubeScience tubescience.com | Los Angeles, 🇺🇸 United States | 329 | $65.8M | - | - | 19% |
| AiDigital aidigital.io | New York, 🇺🇸 United States | 328 | $65.6M | - | - | 59% |
| AdTheorent adtheorent.com | New York, 🇺🇸 United States | 311 | $63.2M | - | $126.7M | -5% |
| Crealytics crealytics.com | Passau, 🇩🇪 Germany | 287 | $50.5M | - | - | - |
| Kochava kochava.com | Sandpoint, 🇺🇸 United States | 277 | $48.8M | 4.9M/mo | - | - |
| Bidalgo bidalgo.com | San Francisco, 🇺🇸 United States | 277 | $48.8M | - | - | - |
| LiveIntent liveintent.com | New York, 🇺🇸 United States | 261 | $44.9M | - | $65.1M | -3% |
| AppLift applift.com | New York, 🇺🇸 United States | 250 | $44.0M | - | - | - |
| Jivox jivox.com | San Mateo, 🇺🇸 United States | 249 | $42.8M | - | $46.4M | 2% |
| WITHIN within.co | Long Island City, 🇺🇸 United States | 246 | $43.3M | - | - | -1% |
| Firewood. monks.com | San Francisco, 🇺🇸 United States | 208 | $36.6M | - | - | -8% |
| adyoulike adyoulike.com | New York, 🇺🇸 United States | 200 | $35.2M | - | - | - |
| Clearcode clearcode.cc | - | 194 | $34.1M | - | - | - |
| Appodeal appodeal.com | San Francisco, 🇺🇸 United States | 192 | $33.0M | - | $7.5M | 35% |
| Adot adotmob.com | Paris, 🇫🇷 France | 191 | $33.6M | 619K/mo | - | 15% |
| Sharethrough sharethrough.com | San Francisco, 🇺🇸 United States | 190 | $32.7M | 1.6M/mo | $67.9M | 2% |
| ScreenCloud screencloud.com | London, 🇬🇧 United Kingdom | 190 | $33.4M | 124K/mo | - | 23% |
| Adcash adcash.com | New York, 🇺🇸 United States | 183 | $32.2M | - | - | - |
| Turn turn.com | Redwood City, 🇺🇸 United States | 177 | $31.2M | - | - | - |
| MakeMeReach makemereach.com | PARIS, 🇫🇷 France | 167 | $29.4M | - | - | 27% |
| Smartclip smartclip.com | - | 167 | $29.4M | - | - | -13% |
| Archrival archrival.com | Lincoln, 🇺🇸 United States | 166 | $29.2M | - | - | 6% |
| Permutive permutive.com | London, 🇬🇧 United Kingdom | 159 | $28.0M | 12.4M/mo | - | -9% |
| ScribbleLive scribblelive.com | Toronto, 🇨🇦 Canada | 154 | $27.1M | - | - | - |
| Eyeota eyeota.com | New York, 🇺🇸 United States | 151 | $26.6M | - | - | - |
| BYYD byyd.me | New York, 🇺🇸 United States | 145 | $25.5M | 400K/mo | - | 20% |
| Improvado improvado.io | San Francisco, 🇺🇸 United States | 145 | $24.9M | - | $8M | -6% |
| Talenthouse talenthouse.com | - | 138 | $22.1M | 1K/mo | $80.1M | 48% |
| Vertoz vertoz.com | New York, 🇺🇸 United States | 128 | $20.5M | - | - | - |
| Vungle vungle.com | San Francisco, 🇺🇸 United States | 127 | $20.3M | 1.2M/mo | $25.5M | -18% |
| Adaptly adaptly.com | New York, 🇺🇸 United States | 126 | $20.2M | - | - | - |
| Bidsopt bidsopt.com | Chennai, 🇮🇳 India | 126 | $20.2M | - | - | - |
| Cosmose cosmose.ai | Warsaw, 🇵🇱 Poland | 126 | $8.3M | - | - | 5% |
| Optmyzr optmyzr.com | Foster City, 🇺🇸 United States | 119 | $19.0M | - | - | 61% |
| Inuvo inuvo.com | Little Rock, 🇺🇸 United States | 117 | $75.0M | - | $9.7M | 0% |
| DanAds danads.com | New York, 🇺🇸 United States | 116 | $18.6M | - | - | 13% |
| MobileFuse mobilefuse.com | New York, 🇺🇸 United States | 114 | $18.2M | 346K/mo | - | -4% |
| Audigent audigent.com | New York, 🇺🇸 United States | 113 | $18.1M | - | $27.8M | 3% |
| WordStream wordstream.com | Boston, 🇺🇸 United States | 110 | $17.6M | 737K/mo | $28.4M | 7% |
| BuySellAds.com buysellads.com | Boston, 🇺🇸 United States | 104 | $16.6M | - | - | - |
| YunoJuno yunojuno.com | London, 🇬🇧 United Kingdom | 102 | $16.3M | 261K/mo | - | -11% |
| Gameball gameball.co | Delaware, 🇺🇸 United States | 99 | $15.8M | - | - | 34% |
| SMADEX smadex.com | Barcelona, 🇪🇸 Spain | 96 | $15.4M | 18.8M/mo | - | - |
| Algoscale algoscale.com | - | 96 | $15.4M | - | - | -7% |
| PebblePost pebblepost.com | New York, 🇺🇸 United States | 93 | $14.9M | - | $66.9M | 8% |
| WAVO.me wavo.me | Montreal, 🇨🇦 Canada | 92 | $14.7M | - | - | -11% |
| Adludio permate.com | London, 🇬🇧 United Kingdom | 92 | $14.7M | - | - | -16% |
| adrino adrino.pl | Warsaw, 🇵🇱 Poland | 90 | $5.3M | - | - | - |
| Sightly sightly.com | San Diego, 🇺🇸 United States | 89 | $14.2M | - | $5.4M | 7% |
| Smaato smaato.com | San Francisco, 🇺🇸 United States | 88 | $14.1M | 41K/mo | $43.1M | -30% |
| RevX revx.io | Singapore, 🇸🇬 Singapore | 85 | $13.6M | - | - | - |
| Magnetic magnetic.com | New York, 🇺🇸 United States | 83 | $13.3M | - | - | - |
| ID5 id5.io | London, 🇬🇧 United Kingdom | 82 | $15.8M | - | - | 22% |
| TVision tvisioninsights.com | New York, 🇺🇸 United States | 79 | $13.3M | - | $62.8M | 3% |
| AppVault appvault.com | Sandy Springs, 🇺🇸 United States | 79 | $12.6M | - | - | - |
| Freespee kaisa.io | London, 🇬🇧 United Kingdom | 79 | $12.6M | - | €24M | -6% |
| Cybba cybba.com | Boston, 🇺🇸 United States | 77 | $12.3M | - | - | 12% |
| Infolinks infolinks.com | Ridgewood, 🇺🇸 United States | 77 | $12.3M | - | - | - |
| WorkReduce workreduce.com | Boston, 🇺🇸 United States | 76 | $12.2M | - | - | -30% |
| 605 605.tv | New York, 🇺🇸 United States | 74 | $10.7M | - | - | -55% |
| Nugit nugit.co | Singapore, 🇸🇬 Singapore | 74 | $10.7M | - | - | - |
| YouAppi youappi.com | San Francisco, 🇺🇸 United States | 71 | $9.9M | 4.3M/mo | $18.1M | 8% |
| AdAdapted adadapted.com | Ann Arbor, 🇺🇸 United States | 65 | $9.4M | - | - | - |
| Datalicious datalicious.com | North Sydney, 🇦🇺 Australia | 64 | $9.2M | - | - | - |
| Postindustria postindustria.com | Santa Monica, 🇺🇸 United States | 63 | $9.1M | - | - | 2% |
| OwnLocal ownlocal.com | Austin, 🇺🇸 United States | 62 | $8.9M | - | - | - |
| vene.io vene.io | Berlin, 🇩🇪 Germany | 62 | $8.9M | - | - | 7% |
| FunMobility funmobility.com | San Ramon, 🇺🇸 United States | 61 | $8.8M | - | - | - |
| NewsCred newscred.com | New York, 🇺🇸 United States | 59 | $8.2M | - | $108.8M | -11% |
| Adslot adslot.com | New York, 🇺🇸 United States | 59 | $8.5M | - | - | -27% |
| MobFox mobfox.com | Sydney, 🇦🇺 Australia | 58 | $8.4M | - | - | - |
| Hivewyre hivewyre.com | Tempe, 🇺🇸 United States | 57 | $8.2M | - | - | - |
| Tappx tappx.com | Barcelona, 🇪🇸 Spain | 56 | $8.1M | - | - | - |
| Tapad tapad.com | New York, 🇺🇸 United States | 56 | $7.8M | 1.5M/mo | $37.8M | -14% |
| FeedMob feedmob.com | - | 56 | $7.8M | - | $2.3M | 6% |
