| Nimi | Paikkakunta |
|---|---|
| Adeviisori Oy | Tampere |
| Adnimo | Tampere |
| ADRA Finland säätiö | Tampere |
| AdSari Oy | Tampere |
| Adsollers Oy | Tampere |
| Advanced Vehicle Technology Oy | Tampere |
| Advanco Oy | Tampere |
| Advant Games Oy Ltd | Tampere |
| Advertising Militza | Tampere |
| Advis Account Oy | Tampere |
| AEN | Tampere |
| Aeroterm Oy | Tampere |
| Afektum Sales Oy | Tampere |
| Afterglow Music Oy | Tampere |
| Agaperos Oy | Tampere |
| Agency Virtanen Oy | Tampere |
| AH Service | Tampere |
| AH-Huoltopalvelu | Tampere |
| AH-toimi Oy | Tampere |
| AhJo Consulting | Tampere |
| Ahjo Rakennus | Tampere |
| Ahjola | Tampere |
| AHKERIEN AJATUSTEN SEURA RY | Tampere |
| AHM-Myynti | Tampere |
| Ahma-Urakointi Oy | Tampere |
Yritysesittely