| 5251 | HelenMedia | 1 |
| 5252 | Heliant | 1 |
| 5253 | Hello blogger | 1 |
| 5254 | Hello, brand! | 1 |
| 5255 | HERO[IN]MARKETING | 1 |
| 5256 | Hexagon Agency | 1 |
| 5257 | Hey Marketing Agency | 1 |
| 5258 | Hey Media | 1 |
| 5259 | Hezzl | 1 |
| 5260 | Hi Agency | 1 |
| 5261 | Hiclick | 1 |
| 5262 | HiConversion | 1 |
| 5263 | HiddenTeam | 1 |
| 5264 | HighTime Agency | 1 |
| 5265 | Hightower agency | 1 |
| 5266 | HIGH VOLTAGE BRAINS | 1 |
| 5267 | Hint | 1 |
| 5268 | Hiresolution Design & Digital | 1 |
| 5269 | HiSmith | 1 |
| 5270 | HIVE Moscow | 1 |
| 5271 | HODDAY | 1 |
| 5272 | Holostenko & Partners | 1 |
| 5273 | Holy Media | 1 |
| 5274 | Home Divan Inc | 1 |
| 5275 | honeymarketing | 1 |
| 5276 | Hook Production | 1 |
| 5277 | Hope group | 1 |
| 5278 | Хоппер ИТ | 1 |
| 5279 | Хорошая Реклама | 1 |
| 5280 | Хорошие решения | 1 |
| 5281 | Хороший маркетинг | 1 |
| 5282 | HOROSHO | 1 |
| 5283 | Horse Heads | 1 |
| 5284 | Hotel commerce | 1 |
| 5285 | HPACE - агентство креативных IT-решений | 1 |
| 5286 | hq-systems | 1 |
| 5287 | HRBRO | 1 |
| 5288 | HTDev | 1 |
| 5289 | Human Code | 1 |
| 5290 | Human Touch | 1 |
| 5291 | Humex | 1 |
| 5292 | hummersoft | 1 |
| 5293 | HunterMob | 1 |
| 5294 | HWdTech, LLC | 1 |
| 5295 | Hytaler | 1 |
| 5296 | iActions | 1 |
| 5297 | iAGE Engineering | 1 |
| 5298 | iAM | 1 |
| 5299 | IBP Marketing | 1 |
| 5300 | IBRAIN. Экспертное агентство | 1 |
