| Nimi | Paikkakunta |
|---|---|
| Abin Baari Oy | Helsinki |
| Abisi Export | Helsinki |
| ABLE International Oy Ltd | Helsinki |
| ABLE Youth and Families Ky | Helsinki |
| Abmet Oy | Helsinki |
| Aboa Bella lingua | Helsinki |
| About : Blank | Helsinki |
| About Alive Oy | Helsinki |
| Above The Law Oy | Helsinki |
| Abraxco Oy | Helsinki |
| ABSENTIA FILMS | Helsinki |
| Absint Oy | Helsinki |
| Absolute Performance | Helsinki |
| ABSOLUTE TRADE | Helsinki |
| absolute-North Ltd. Oy | Helsinki |
| Abstraho Oy | Helsinki |
| Absurd Solutions | Helsinki |
| AC Laurens Oy Tilitoimisto | Helsinki |
| AC-mainos Oy | Helsinki |
| Acacia Siivouspalvelu | Helsinki |
| Academia Thules ad Studia Romana Antiqua et Nova ry | Helsinki |
| Academica Information Oy | Helsinki |
| ACADEMICUM CATHOLICUM RY | Helsinki |
| AcaMed Oy | Helsinki |
| Acamedia osuuskunta | Helsinki |
Yritysesittely