| Name | Region |
|---|---|
| 3W Studio | Masovian |
| 3WDT | Kuyavian-Pomeranian |
| 4 Coils Sp. z o.o. | Pomeranian |
| 404ideas.com | Masovian |
| 4AD Studio | |
| 4AUDYT Sp. z o.o. | |
| 4BSystems | |
| 4Code | |
| 4Contact | Masovian |
| 4DMIND | |
| 4e Agencja Reklamowa | |
| 4experience | |
| 4growth VC Sp. z o.o. | |
| 4Mobility S.A. | |
| 4Neurons | Warmian-Masurian |
| 4PEOPLE | |
| 4soft | |
| 4Studio Sp. z o.o. | Warmian-Masurian |
| 4system Polska | Lubusz |
| 4TECH | Masovian |
| 6bridges.io | |
| 77Robots | |
| 7Apps | |
| 7Data CZ, s.r.o. | |
| 7F Technology Partners | |
| 7orders Sp. z o.o. | Lower Silesian |
| 7Technology Sp. z o.o. | |
| 8lines Sp. z o.o. | |
| 8P.pl | Masovian |
| 9bits Sp. z o.o. | Masovian |
| 9LivesData | |
| A-LAN Technologie Sp. z o.o. Sp. k. | Lesser Poland |
| A.T.O.M. | Łódź |
| A3M Sp. z o.o. | Silesian |
| A4BEE Sp. z o.o. | |
| AA Software Solutions | |
| Aasa Polska S.A. | |
| AAT Holding sp. z o.o. | Masovian |
| AB S.A. | Masovian |
| Abacus Internet Solutions Sp. J | Pomeranian |
| ABAStroke | |
| abc.net.pl | Lublin |
| Aberit | Subcarpathian |
| Abris Capital Partners | |
| Abris Design Group | |
| ABS Badania | |
| Absysco Sp. z o.o. | |
| Abventor | Lesser Poland |
| Abyron | |
| AC Software Sp. z o.o. | Masovian |