1. CD Projekt Red: A video game developer and publisher known for the critically acclaimed "The Witcher" series.
2. Allegro: One of the largest e-commerce platforms in Poland.
3. PKN Orlen: A major petrochemical company.
4. Grupa Azoty: A leading chemical and fertilizer producer.
5. PZU: One of the largest insurance companies in Poland.
6. Żywiec: A well-known beer producer.
7. LOTOS Group: A prominent fuel and energy company.
8. Polpharma: A significant pharmaceutical manufacturer.
9. CCC: A retailer of footwear and accessories.
10. Bank Pekao S.A.: A large commercial bank.
These companies have a strong presence in the Polish market and contribute significantly to the country's economy.