| Nimi | Paikkakunta |
|---|---|
| Helsinki City Best Buy | Helsinki |
| Helsinki City Jazz ry | Helsinki |
| Helsinki City Markkinointi ry | Helsinki |
| Helsinki Cityride | Helsinki |
| Helsinki Digital | Helsinki |
| Helsinki Diplomat Sports Club - HDS ry | Helsinki |
| Helsinki Ensemblen kannatusyhdistys ry | Helsinki |
| Helsinki Estate Oy | Helsinki |
| Helsinki Events Oy | Helsinki |
| HELSINKI F-BAHN | Helsinki |
| Helsinki Facilities Services | Helsinki |
| Helsinki for You Oy | Helsinki |
| HELSINKI GIANTS RY | Helsinki |
| Helsinki Golightly Oy | Helsinki |
| HELSINKI GUITAR SCHOOL | Helsinki |
| Helsinki Hacklab ry | Helsinki |
| Helsinki Half Marathon Oy | Helsinki |
| Helsinki Image | Helsinki |
| Helsinki International Theatre Association ry | Helsinki |
| Helsinki Investointi Oy | Helsinki |
| Helsinki Islam keskus | Helsinki |
| Helsinki IT Systems Consulting | Helsinki |
| HELSINKI JAZZ RY | Helsinki |
| Helsinki Kylpyhuoneet Oy | Helsinki |
| Helsinki Liike Ky | Helsinki |
Yritysesittely