The country's largest business campus has created 406 new jobs this year.
Park West Business Park, which is six kilometres west of Dublin city centre, is currently recruiting more positions.
The top recruiters in Park West include IFDS Percana (100); Allianz Worldwide Healthcare (92); Sportingbet (69); Openet (50); Certification Europe (23); Intune Networks (23); Globoforce (20); Boots (25) and Interxion (four).
Park West is owned and managed by Harcourt Developments.