| 1 | Dr. Oetker GmbH | €2.9B | 11,617 | 65 | -- |
| 2 | Stiftung Bethel | €1.4B | 20,448 | 69 | C+ |
| 3 | Wilhelm Böllhoff GmbH & Co. KG | €676.5M | 1,088 | 69 | C+ |
| 4 | itelligence germany | €528.8M | 7,500 | 70 | B |
| 5 | Evangelisches Johanneswerk gGmbH | €403.4M | 6,871 | 69 | C |
| 6 | Katholische Hospitalvereinigung Ostwestfalen gGmbH | €285.1M | 3,676 | 69 | C |
| 7 | Dr. August Wolff GmbH & Co. KG Arzneimittel | €276.2M | -- | 69 | C+ |
| 8 | LUCKY BIKE.de GmbH | €223.2M | 156 | 69 | C+ |
| 9 | Fritz Software GmbH | €189.2M | 2,016 | 69 | C+ |
| 10 | Bielefelder Netz GmbH | €176.1M | 40 | 69 | C+ |
| 11 | BOGE KOMPRESSOREN Otto Boge GmbH & Co. KG | €149.0M | 700 | 69 | C+ |
| 12 | Schröder Teams | €142.8M | 350 | 70 | B |
| 13 | Wahl & Co Spedition | Logistik | €142.8M | 350 | 70 | B |
| 14 | Cornelsen Verlagskontor GmbH | €142.8M | 350 | 70 | B |
| 15 | KUNSTSTOFFEXPRESS HANDEL GMBH | €90.8M | 25 | 69 | C+ |
| 16 | Benteler Maschinenbau GmbH | €82.3M | 2,021 | 69 | C+ |
| 17 | C.A. Delius & Söhne GmbH & Co. KG | €63.1M | 97 | 69 | C+ |
| 18 | Zimmer & Hälbig GmbH | €56.7M | 3 | 69 | C+ |
| 19 | rasch - metalle gmbh & co. kg | €51.5M | 125 | 60 | C+ |
| 20 | KATAG abz Einkauf GmbH | €46.7M | -- | 69 | C+ |
| 21 | Oltrogge GmbH & Co. KG | €45.0M | 125 | 60 | C+ |
| 22 | Welland & Tuxhorn AG | €39.4M | 92 | 69 | C+ |
| 23 | Einrichtungspartnerring VME GmbH & Co. KG | €39.0M | -- | 69 | C+ |
| 24 | Energie Digitalisieren | €33.1M | 350 | 60 | C+ |
| 25 | Welland & Tuxhorn | €29.2M | 125 | 60 | C+ |
| 26 | direktdruckowl.de | €22.9M | 125 | 60 | C+ |
| 27 | Ceyoniq Technology GmbH | €18.3M | 164 | 69 | C+ |
| 28 | brandi rechtsanwaelte (attorneys at law) | €17.7M | 350 | 60 | C+ |
| 29 | carl-severing-berufskolleg für wirtschaft & verwaltung bielefeld | €14.3M | 125 | 60 | C+ |
| 30 | marktkauf handelsgesellschaft mbh & co. | €13.8M | -- | 60 | C+ |
| 31 | Radio Netpower | €12.2M | 30 | 60 | C+ |
| 32 | dr. reckhaus | €12.2M | 30 | 60 | C+ |
| 33 | DPV GmbH | €12.0M | 124 | 69 | C+ |
| 34 | Haufe Real Estate | €11.8M | 125 | 60 | C+ |
| 35 | Brechmann Handels GmbH & Co. KG | €11.8M | 82 | 69 | C+ |
| 36 | hdi menze&menze | €11.0M | 30 | 60 | C+ |
| 37 | provinzial pankoke - ostwestfalenengel | €11.0M | 30 | 60 | C+ |
| 38 | PRODASO GmbH | €10.8M | 30 | 60 | C+ |
| 39 | FAA Facharztagentur GmbH & Co. KG | €10.7M | 125 | 60 | C+ |
| 40 | Personalvermittlung.plus | €10.7M | 125 | 60 | C+ |
| 41 | IME Institut für Management-Entwicklung | €10.6M | 30 | 60 | C+ |
| 42 | inno.c.t. | €10.6M | 30 | 60 | C+ |
| 43 | ST Vitrinen Trautmann GmbH & Co. KG | €10.2M | 4 | 69 | C+ |
| 44 | Steinkrüger Frucht- & Frischehandel GmbH | €10.0M | -- | 69 | C+ |
| 45 | UMETA Hermann Ulrichskötter Metallwarenfabrik GmbH & Co. KG | €10.0M | 79 | 69 | C+ |
| 46 | GORLO Industrieboden GmbH & Co. KG | €9.0M | 23 | 50 | C |
| 47 | Mehrwerk GmbH | €8.7M | 102 | 69 | C+ |
| 48 | Platzschaffer GmbH | €8.5M | 125 | 50 | C |
| 49 | BGW Bielefelder Gesellschaft f��r Wohnen und Immobiliendienstleistungen mbH | €8.2M | 125 | 50 | C |
| 50 | WIHAG Fahrzeugbausysteme GmbH | €7.3M | 66 | 69 | C+ |
| 51 | Kurt Gudereit GmbH & Co. KG Fahrradfabrik | €7.1M | 51 | 69 | C+ |
| 52 | blaulink | €6.5M | 125 | 50 | C |
| 53 | Witte Steuerberater | €6.3M | 30 | 50 | C |
| 54 | reich + hölscher ingenieurbüro | €6.0M | 30 | 50 | C |
| 55 | Bernd Möller, Gunnar & Johann auf der Heide Vermessungsbüro | €6.0M | 30 | 50 | C |
| 56 | Friedrich Wilhelm Borgstedt Milser Mühle GmbH | €6.0M | 32 | 69 | C+ |
| 57 | MChef GmbH & Co. KG | €6.0M | 30 | 50 | C |
| 58 | ad.engineering gmbh | €5.5M | 30 | 50 | C |
| 59 | WSW Wälzlager Wolfgang Streich GmbH & Co. KG | €5.5M | 3 | 69 | C+ |
| 60 | ALB Beratungs KG | €5.5M | -- | 69 | C+ |
| 61 | notíum | €5.1M | 30 | 50 | C |
| 62 | cleverfleet - MEDIUM Digital GmbH | €5.1M | 30 | 50 | C |
| 63 | CREA by Seedcom | €5.1M | 30 | 50 | C |
| 64 | Ortwin Goldbeck Holding SE | €5.0M | 226 | 69 | C+ |
| 65 | SaBi Unternehmensbeteiligungs KG | €4.8M | -- | 69 | C+ |
| 66 | Cannovum Health eG | €4.3M | 30 | 50 | C |
| 67 | GKG Goldmann Kunststoffe GmbH und Co. KG | €4.2M | 4 | 69 | C+ |
| 68 | virtion services gmbh | €3.9M | 30 | 50 | C |
| 69 | andreas favier gmbh / planungsgesellschaft für technische gebäudeausrüstung | €3.7M | 30 | 50 | C |
| 70 | PersonalAG - Marke der NewPlacement Löffler + Partner GmbH | €3.4M | 30 | 50 | C |
| 71 | fachhochschule des mittelstands (fhm) gmbh | €3.4M | 30 | 50 | C |
| 72 | IMW-Bielefeld | €3.4M | 30 | 50 | C |
| 73 | Yes Sprachschule | €3.4M | 30 | 50 | C |
| 74 | HYBOT | €3.4M | 30 | 50 | C |
| 75 | Model United Nations Association Bielefeld (MUNAB) | €3.4M | 30 | 50 | C |
| 76 | Starters Summit | €3.3M | 30 | 50 | C |
| 77 | Granberg Deutschland | €3.0M | 5 | 50 | C |
| 78 | Erlebe Software | €2.8M | 30 | 50 | C |
| 79 | RELACON Unternehmensgruppe | €2.8M | 30 | 50 | C |
| 80 | wambo | €2.8M | 30 | 50 | C |
| 81 | musikschule pow! e.v. jazz- rock-pop | €2.8M | 30 | 50 | C |
| 82 | greenique - by acocon GmbH | €2.7M | 30 | 50 | C |
| 83 | WonderMatch - Personalvermittler für Fachkräfte und Führungskräfte - Recruiter - Headhunter | €2.6M | 30 | 50 | C |
| 84 | PersonalAG Dietmar Eis und Partner | €2.6M | 30 | 50 | C |
| 85 | green account | €2.2M | 30 | 50 | C |
| 86 | Buchwert GmbH & Co. KG | €2.0M | 5 | 50 | C |
| 87 | Buchwert GmbH & Co. KG | €2.0M | 5 | 50 | C |
| 88 | Lifeline Bridal | €2.0M | 5 | 50 | C |
| 89 | Modeagentur Anita Zieger | €2.0M | 5 | 50 | C |
| 90 | Fairticken - Organic and Fairtrade Clothing | €2.0M | 5 | 50 | C |
| 91 | zucker | brot + peitsch makes fachwerkraum | €2.0M | 5 | 50 | C |
| 92 | Frank Sitzmöbel GmbH | €2.0M | 5 | 50 | C |
| 93 | fredebeul immobilien, immobilienmakler | €2.0M | 30 | 50 | C |
| 94 | Elektro Götsch Bielefeld GmbH & Co. KG | €2.0M | 5 | 50 | C |
| 95 | TeamKrankenversicherung | private Krankenversicherung | €1.8M | 5 | 50 | C |
| 96 | m.a.s. media consulting gmbh & co. kg | €1.8M | 5 | 50 | C |
| 97 | persomatch GmbH | €1.5M | 30 | 50 | C |
| 98 | A+E Armaturen Erichlandwehr GmbH | €1.3M | 5 | 50 | C |
| 99 | Deppe Karl GmbH & Co. | €1.3M | 5 | 50 | C |
| 100 | genussmarkt bielefeld | €1.2M | 5 | 50 | C |