Discovery Research Ltd. y Great Place to Work® Institute Europe elabora la lista de 'Best Companies to Work for' 2003. La lista de los 50 mejores entornos de trabajo fue publicada por Irish Independent el 13 Febrero 2003.
| posición | Compañías |
| 1 | Microsoft European Operations Centre |
| 2 | MBNA Ireland |
| 3 | BUPA Ireland |
| 4 | The Mill Gandon Logistics |
| 5 | Filestores |
| 6 | Hilton Hotels Ireland |
| 7 | Bank of Ireland Retail Operations |
| 8 | The Electric Paper Company |
| 9 | Arup Consulting Engineers |
| 10 | Intel Ireland |
| 11 | The Indaver Group |
| 12 | Quest International Ireland |
| 13 | Marks & Spencer Ireland |
| 14 | Watson Wyatt LLP |
| 15 | GE Capital Aviation Services |
| 16 | Heineken Ireland |
| 17 | Analog Devices |
| 18 | INVESCO Asset Management Ireland |
| 19 | Trocaire |
| 20 | Diageo Ireland |
| 21 | Banking 365 |
| 22 | Guidant Ireland |
| 23 | Hibernian Group |
| 24 | Creative Labs |
| 25 | Radisson SAS Group |
| 26 | St Josephs School for Visually Impaired |
| 27 | Whirlpool |
| 28 | AXA Insurance |
| 29 | Emuse Technologies |
| 30 | Corporate Travel Partners |
| 31 | Fehily Timoney & Co |
| 32 | Ulster Bank |
| 33 | Campbell Catering |
| 34 | IBM |
| 35 | Westin Hotel |
| 36 | SAP |
| 37 | Glaxo Smith Kline |
| 38 | PEI |
| 39 | Quintiles |
| 40 | Deloitte and Touche |
| 41 | Superquinn |
| 42 | Transitions Optical |
| 43 | Allianz Ireland |
| 44 | Boston Scientific Ireland |
| 45 | Dell Ireland |
| 46 | Vodafone Ireland |
| 47 | Lisheen Mine |
| 48 | Canada Life |
| 49 | AIB Bank |
| 50 | Dept of Enterprise, Trade & Employment |
