| 5551 | Heads | 1 |
| 5552 | Headspace agency | 1 |
| 5553 | Heidep | 1 |
| 5554 | Heika | 1 |
| 5555 | Хекслет | 1 |
| 5556 | HelenMedia | 1 |
| 5557 | Heliant | 1 |
| 5558 | Hello blogger | 1 |
| 5559 | Hello, brand! | 1 |
| 5560 | HERO[IN]MARKETING | 1 |
| 5561 | Hexagon Agency | 1 |
| 5562 | Hey Marketing Agency | 1 |
| 5563 | Hey Media | 1 |
| 5564 | Hezzl | 1 |
| 5565 | Hi Agency | 1 |
| 5566 | Hiclick | 1 |
| 5567 | HiConversion | 1 |
| 5568 | HiddenTeam | 1 |
| 5569 | HighTime Agency | 1 |
| 5570 | Hightower agency | 1 |
| 5571 | HIGH VOLTAGE BRAINS | 1 |
| 5572 | Hiresolution Design & Digital | 1 |
| 5573 | HiSmith | 1 |
| 5574 | Hit Media | 1 |
| 5575 | HIVE Moscow | 1 |
| 5576 | HODDAY | 1 |
| 5577 | Holostenko & Partners | 1 |
| 5578 | Holy Media | 1 |
| 5579 | Home Divan Inc | 1 |
| 5580 | honeymarketing | 1 |
| 5581 | Hook Production | 1 |
| 5582 | Hope group | 1 |
| 5583 | Хоппер ИТ | 1 |
| 5584 | Хорошая Реклама | 1 |
| 5585 | Хорошие решения | 1 |
| 5586 | Хорошие Знакомые | 1 |
| 5587 | Хороший маркетинг | 1 |
| 5588 | HOROSHO | 1 |
| 5589 | Horse Heads | 1 |
| 5590 | ХОСТ-МЕНЕДЖЕР | 1 |
| 5591 | Hotel commerce | 1 |
| 5592 | HPACE - агентство креативных IT-решений | 1 |
| 5593 | hq-systems | 1 |
| 5594 | HRBRO | 1 |
| 5595 | HTDev | 1 |
| 5596 | Human Code | 1 |
| 5597 | Human Touch | 1 |
| 5598 | Humex | 1 |
| 5599 | hummersoft | 1 |
| 5600 | HWdTech, LLC | 1 |
