| Media3 Technologies, LLC | Massachusetts |
| Media99, LLC | Arkansas |
| MediaAlpha, LLC | California |
| Mediabarn, Inc. | Virginia |
| Mediabase | Georgia |
| Mediaboom | Connecticut |
| MediaChoice | |
| MediaCross, Inc. | |
| Mediacurrent, LLC | Georgia |
| Mediaduo, Inc. | |
| Mediafast | Utah |
| MediaFire | Texas |
| Mediafly | Illinois |
| MediaFocus International, LLC | |
| MediaFuel | |
| Mediafy, Inc. | |
| MediaGirl, Inc. | New Mexico |
| Mediagistic | |
| MediaKits, Inc. | |
| Medialinks Marketing Management, LLC | |
| MediaLoot, Inc. | |
| Mediamodifier, LLC | |
| Medianbridge Infosystems | New York |
| MediaNet Solutions, Inc. | |
| MediaNow, Inc. | New Jersey |
| Mediaocean | New York |
| MediaOnQ | North Dakota |
| MediaOptions | |
| MediaPlatform | California |
| Mediapolis, Inc. | New York |
| MediaProNow | |
| Mediaquery, Inc. | |
| Mediar Therapeutics, Inc. | |
| MediaRadar | New York |
| MediaSauce | Indiana |
| Mediascape | Michigan |
| MediaService, LLC | Tennessee |
| MediaSight, Inc. | North Carolina |
| MediaSignage, Inc. | California |
| Mediasmith | California |
| Mediaspace | |
| Mediaspectrum, Inc. | Florida |
| Mediastream | |
| MediaTech Institute | Texas |
| MediaTech Ventures | |
| Mediatechnics Systems, Inc. | California |
| Mediatek | Puerto Rico |
| Mediaura | Kentucky |
| Mediaura, Inc. | Indiana |
| Mediawest | Texas |