La lista de las 50 Mejores Empresas para trabajar en Irlanda fue producida en 2004 por Great Place to Work® Institute Irlanda y Discovery Research y publicada por The Irish Independent. Las que ocuparon los 10 primeros puestos están marcadas en negrilla y las restantes están listadas en orden alfabético. Cinco premios especiales fueron anunciados en los campos de Credibilidad, Respeto, Imparcialidad, Orgullo y Camaradería.
| | Compañías |
| | Abbott Laboratories Ireland |
| | ACC Bank |
| | Allianz Ireland |
| | Appleby Jewellers |
| | Arup Consulting Engineers |
| | Ballina Beverages |
| | Bank of Scotland Ireland |
| | Boston Scientific Ireland |
| | Boston Scientific Tullamore |
| | BrightWater Selection |
| | BUPA Ireland |
| | Campbell Catering Services |
| | Chubb Ireland |
| | Clontarf Castle Hotel |
| | Corporate Travel Partners |
| | Deloitte. |
| | Department of Enterprise Trade and Employment |
| | DePuy Ireland |
| | Diageo Ireland Demand |
| | DMG Services |
| | Dublin Bus |
| | Eagle Star Insurance Company |
| | EBS Building Society |
| | Fehily Timoney & Company |
| | Four Seasons Hotel Dublin |
| | GE Capital Aviation Services |
| | GlaxoSmithKline (Ireland) |
| | Guidant |
| | Halifax Insurance Ireland |
| | Heineken Ireland |
| | Hibernian Group |
| | Hilton Dublin |
| | Janssen Pharmaceutical |
| | MBNA Ireland |
| | Mentor Graphics Ireland |
| | Microsoft Ireland |
| | O2 Communications |
| | PEI |
| | Radisson SAS Group |
| | Royal & Sun Alliance |
| | Royal Bank of Scotland Group Technology |
| | Sodexho Catering and Support Services |
| | Statoil Ireland |
| | Superquinn |
| | Symantec Ireland |
| | The Civil Service Commission |
| | Transitions Optical |
| | Trócaire |
| | Watson Wyatt LLP |
| | Whirlpool SSC |
