| Rank | Companies |
| 1 | Ferrari, Italy |
| | 3M, Germany |
| | Abbott Laboratories, Ireland |
| | ACCENT, Belgium |
| | Accenture, Ireland |
| | Admiral Group, UK |
| | Airtricity, Ireland |
| | ALD Automotive, Finland |
| | American Express Services Europe, Italy |
| | Amgen Biofarmacêutica, Portugal |
| | Andarr, Netherlands |
| | Autisme Center Vestsjælland, Denmark |
| | Bain & Company, France |
| | Beaverbrooks the Jewellers, UK |
| | BMW, Portugal |
| | Boehringer Ingelheim, Denmark |
| | Brightwater Group, Ireland |
| | British Gas Business, UK |
| | CB Richard Ellis, Ireland |
| | CIBA Vision, Germany |
| | Cisco Systems, Germany |
| | Clontarf Castle Hotel, Ireland |
| | Coca-Cola HBCI, Italy |
| | ConSol Software, Germany |
| | CSU Total Care, Netherlands |
| | Cultivator, Denmark |
| | Cushman & Wakefield, Portugal |
| | Danone, Spain |
| | Diageo, Ireland |
| | dm drogerie markt, Austria |
| | E-office, Netherlands |
| | E.ON Ruhrgas, Germany |
| | eBay, Ireland |
| | Eli Lilly, Norway, Spain, Sweden |
| | ETHICON, Germany |
| | FedEx Express, Belgium |
| | FIM Group, Finland |
| | Finn.no, Norway |
| | Fishburn Hedges, UK |
| | Frøs Herreds Sparekasse, Denmark |
| | Gasum, Finland |
| | GENESIS PHARMA, Greece |
| | Google, Ireland |
| | Happy, UK |
| | Heiligenfeld Kliniken, Germany |
| | impuls, Germany |
| | ING Direct, UK |
| | Innovex, Germany |
| | Irma, Denmark |
| | Kantega, Norway |
| | Lands' End, Germany |
| | Liberty Seguros, Portugal |
| | Man Investments, Ireland |
| | Management Events, Finland |
| | Mapfre Seguros Gerais, Portugal |
| | Maybourne Hotel Group, UK |
| | Microsoft, Belgium, Denmark, Finland, Germany, Greece, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden |
| | Middelfart Sparekasse, Denmark |
| | Morgan Stanley & Co International, France |
| | Nice-business Solutions, Finland |
| | Novo Nordisk, Norway, Sweden |
| | Novozymes, Denmark |
| | OC&C Strategy Consultants, Germany |
| | Oracle, Austria, Denmark |
| | Pepsico, France |
| | Pfizer, Norway |
| | PISCINES IDEALES, Greece |
| | Premier Group, Ireland |
| | Procter & Gamble, Austria, Spain, UK |
| | Qbranch, Sweden |
| | Raiffeisenlandesbank Vorarlberg, Austria |
| | Randstad, Belgium, Germany, Netherlands |
| | Real Seguros, Portugal |
| | Roche Pharmaceuticals, Denmark |
| | Roskilde Bank, Denmark |
| | SAP, Germany |
| | Sapient, Germany |
| | SAS Institute, Norway, Sweden |
| | Schindlerhof, Germany |
| | Schoenen Torfs, Belgium |
| | Sevel, Italy |
| | SICK, Germany |
| | Sigmar Recruitment, Ireland |
| | Soziotherapeutische Einrichtung Laufer Mühle, Germany |
| | Starbucks Coffee, UK |
| | T-Systems, Austria |
| | Talent & Pro, Netherlands |
| | Tekonivelsairaala Coxa, Finland |
| | The SG Group, UK |
| | TomTec Imaging Systems, Germany |
| | Trodat , Austria |
| | TV2 ØST, Denmark |
| | UBS, UK |
| | Unicarepharmacy, Ireland |
| | UNIMERCO, Denmark |
| | Unique, Belgium |
| | Vedior Personaldienstleistungen, Germany |
| | Vitae, Netherlands |
| | W.L. Gore & Associates, France, Germany, UK |
| | XEROX HELLAS, Greece |