| 1 | ->Top 3 companies 50 until 500 employees |
| 2 | ->Top 3 companies 501 until 2.000 employees |
| 3 | ->Top 3 companies 2001 until 5.000 employees |
| 4 | ->Top 3 companies 5001 until 10.000 employees |
| 5 | ->Best companies in an alphabetical order |
| Plaats | Bedrijven |
| 1(3) | 3M Deutschland GmbH |
| (5) | 3M Deutschland GmbH |
| (5) | 3M ESPE AG |
| 2(2) | 3M ESPE AG |
| (5) | 4flow AG |
| 2(1) | 4flow AG |
| (5) | Accenture |
| (5) | adesso AG |
| (5) | ahr Gruppe |
| (5) | ALK-Abelló Arzneimittel GmbH |
| (5) | All for One Midmarket AG |
| (5) | AMGEN GmbH |
| (5) | Analog Devices GmbH |
| (5) | atrias personalmanagement gmbh |
| (5) | Autodesk GmbH |
| (5) | AXA Konzern |
| 3(4) | AXA Konzern |
| (5) | Caritas Wohn- und Pflegegemeinschaft Seniorenheim St. Josef |
| (5) | Caritasverband Olpe |
| (5) | Carpus+Partner AG |
| (5) | CBT Caritas-Betriebsführungs-und Trägergesellschaft mbH |
| (5) | CHUBB Insurance Company of Europe SE |
| (5) | CIBA VISION GmbH |
| (5) | Cisco Systems GmbH |
| (5) | CompuSafe Data Systems AG |
| (5) | Computer Futures Solutions GmbH |
| (5) | ConSol* Software GmbH |
| 3(1) | ConSol* Software GmbH |
| (5) | ConVista Consulting AG |
| (5) | DATEV eG |
| (5) | Diakonisches Sozialzentrum Rehau |
| 3(2) | DIS AG |
| (5) | DIS AG |
| 1(2) | domino-world TM |
| (5) | domino-world TM |
| (5) | Druckstudio GmbH |
| (5) | E.ON Führungsgesellschaften |
| (5) | ESPRiT Consulting AG |
| (5) | Federal Express Europe, Inc. |
| (5) | First Solar Manufacturing GmbH |
| (5) | FIS group |
| (5) | Fujitsu Semiconductor Europe GmbH (FSEU) |
| (5) | Gameforge AG |
| (5) | GfK SE |
| (5) | Giesecke & Devrient GmbH |
| (5) | goetzpartners Holding GmbH & Co. KG |
| (5) | Heimbeatmungsservice Brambring Jaschke GmbH |
| (5) | Hilti Deutschland GmbH |
| (5) | HOCHLAND Deutschland GmbH |
| (5) | I.K. Hofmann GmbH |
| (5) | ING-DiBa AG |
| (5) | inubit AG |
| (5) | J&M Management Consulting AG |
| (5) | Johnson & Johnson GmbH |
| (5) | juwi Holding AG |
| (5) | Lands' End GmbH |
| (5) | LEGO GmbH |
| (5) | MaibornWolff et al GmbH |
| (5) | Maschinenringe Deutschland GmbH |
| (5) | MBDA Deutschland |
| (5) | Medtronic GmbH |
| (5) | metafinanz-Informationssysteme GmbH |
| (5) | Microsoft Deutschland GmbH |
| 3(3) | Microsoft Deutschland GmbH |
| (5) | National Instruments Germany GmbH |
| (5) | NetApp Deutschland GmbH |
| 1(1) | noventum consulting GmbH |
| (5) | noventum consulting GmbH |
| (5) | OC&C Strategy Consultants GmbH |
| (5) | Philips GmbH |
| (5) | PHOENIX CONTACT ELECTRONICS GmbH |
| (5) | PHOENIX CONTACT GmbH & Co. KG |
| (5) | PM Computer Services GmbH & Co. KG |
| (5) | PPI AG Informationstechnologie |
| (5) | QlikTech GmbH |
| (5) | Quintiles Commercial Germany GmbH |
| (5) | R+V Betriebskrankenkasse |
| (5) | SAS Institute GmbH |
| (5) | SBK Siemens-Betriebskrankenkasse |
| (5) | SC Johnson GmbH |
| (5) | Schindlerhof Klaus Kobjoll GmbH |
| (5) | sellxpert GmbH & Co. KG |
| (5) | Seniorenwohnheim Löffler |
| (5) | SICK AG |
| (5) | SimCorp GmbH |
| 2(3) | SMA Solar Technology AG |
| (5) | SMA Solar Technology AG |
| (5) | SolarWorld AG |
| (5) | Soziotherapeutische Einrichtungen der Laufer Mühle |
| (5) | Sparda-Bank München eG |
| (5) | St. Elisabeth-Krankenhaus Lengenfeld unterm Stein |
| (5) | St. Gereon Altenhilfe |
| (5) | Stryker Navigation Deutschland |
| (5) | SupplyOn AG |
| (5) | syngenio AG |
| (5) | T-Systems Multimedia Solutions GmbH |
| (5) | TechniData AG | TechniData BCS GmbH |
| 2(4) | Techniker Krankenkasse |
| (5) | Techniker Krankenkasse |
| 1(4) | Telefónica O2 Germany GmbH & Co. OHG |
| (5) | Telefónica O2 Germany GmbH & Co. OHG |
| (5) | Telemotive AG |
| (5) | The Timberland World Trading GmbH |
| (5) | Trianel Gruppe |
| (5) | Tyczka Totalgaz GmbH |
| (5) | Unternehmensgruppe TREMONIA & PROFI |
| (5) | VELUX Deutschland GmbH |
| (5) | Volkswagen Financial Services AG |
| (5) | VOLKSWOHL BUND Versicherungen |
| (5) | W.L. Gore & Associates GmbH |
| (5) | Wolfart Klinik |
| (5) | Zühlke Engineering GmbH |