| 1 | EWE Aktiengesellschaft | €5.7B | 9,134 | 69 |
| 2 | CEWE Stiftung & Co. KGaA | €780.2M | 3,731 | 69 |
| 3 | EWE TEL GmbH | €427.8M | 1,230 | 69 |
| 4 | Düser, Grambart, v. d. Linde GmbH & Co. KG | €414.5M | 1,245 | 69 |
| 5 | BÜFA GmbH & Co. KG | €342.7M | 40 | 69 |
| 6 | BRUNO Der Oldenbäcker GmbH Bäckerei | €177.9M | 350 | 70 |
| 7 | Trianel Windkraftwerk Borkum II GmbH & Co. KG | €88.1M | -- | 69 |
| 8 | Leffers GmbH & Co. KG | €77.5M | 2 | 69 |
| 9 | HKC Verwaltungs GmbH | €65.1M | 39 | 69 |
| 10 | MBD Steuerberater Matisheck, Brokop & Deelwater Steuerberater PartG mbB | €26.3M | 125 | 60 |
| 11 | BMW Kayser | €23.8M | 125 | 60 |
| 12 | Treuhand Weser-Ems GmbH Wirtschaftsprüfungsgesellschaft | €19.9M | 182 | 69 |
| 13 | einfach.effizient. unternehmensberatung | €16.1M | 125 | 60 |
| 14 | avendon GmbH | €14.6M | 125 | 60 |
| 15 | dlr institute systems engineering for future mobility | €13.0M | 125 | 60 |
| 16 | eriksen und partner | €12.8M | 125 | 60 |
| 17 | Sealpac GmbH | €12.3M | 69 | 69 |
| 18 | KI-Cluster Oldenburg | €11.8M | 125 | 60 |
| 19 | MEYBAU GmbH & Co. KG | €9.6M | -- | 69 |
| 20 | arbeitsgruppe für regionale struktur- und umweltforschung gmbh (arsu) | €8.5M | 30 | 50 |
| 21 | Oldenburg Knights American Football GFL2 Huddletalk Inside | €8.0M | 350 | 50 |
| 22 | Klaus-Dieter Heim Maschinen- und Metallbau | €8.0M | 30 | 50 |
| 23 | Gebr. Leffers KG | €7.8M | 155 | 69 |
| 24 | Marketingclub Weser-Ems e.V. | €7.6M | 350 | 50 |
| 25 | windpunx GmbH & Co. KG | €6.8M | 30 | 50 |
| 26 | autohaus brau gmbh | €5.7M | 30 | 50 |
| 27 | WAL Mess- Und Regelsysteme GmbH | €5.7M | 30 | 50 |
| 28 | Gerhard Bruns GmbH & Co. KG | €5.6M | 2 | 69 |
| 29 | flyerheaven GmbH & Co. KG | €5.5M | 30 | 50 |
| 30 | iTracker Dashcams | €5.1M | 30 | 50 |
| 31 | Eriksen und Partner GmbH | €4.5M | 125 | 50 |
| 32 | ingenieurbüro ghalkhani | €3.9M | 30 | 50 |
| 33 | FotoInsight Ltd. | €3.8M | 30 | 50 |
| 34 | mcon | dieter meyer consulting gmbh | €3.1M | 30 | 50 |
| 35 | WCG Wärme Contracting GmbH | €3.1M | 8 | 69 |
| 36 | DU NORD GmbH | €3.0M | 30 | 50 |
| 37 | Granny&Smith Innolab as a service | €2.8M | 30 | 50 |
| 38 | jugendberufsagentur bremen | €2.6M | 30 | 50 |
| 39 | Veeze.de | €2.5M | 5 | 50 |
| 40 | erpwerk | €2.1M | 30 | 50 |
| 41 | feldhus camping (bernd feldhus gmbh & co. kg) | €2.0M | 5 | 50 |
| 42 | Nölker & Nölker OILILY and friends Bärbel Nölker e.K. | €2.0M | 5 | 50 |
| 43 | E-Bikes der e-bike manufaktur | €2.0M | 5 | 50 |
| 44 | betterscope | €1.8M | 5 | 50 |
| 45 | Mkk GmbH - CitriSurf | €1.4M | 5 | 50 |
| 46 | Internetchemie | €1.4M | 5 | 50 |
| 47 | KGJW Klemm, Giesemann & Partner Steuerberatungsgesellschaft mbB | €1.1M | 30 | 50 |
| 48 | TEAM ZIETZ | €1.1M | 30 | 50 |
| 49 | Bröring Heinirch Lackier- u. Restaurationsbetrieb | €929K | 5 | 40 |
| 50 | Umfrageheld GmbH & Co. KG | €923K | 5 | 40 |
| 51 | Navitaiz Solutions | €871K | 5 | 40 |
| 52 | Fabian Scheidweiler | €834K | 5 | 40 |
| 53 | Makini PsyCare | €834K | 5 | 40 |
| 54 | WEEDOO-Group GmbH | €813K | 30 | 40 |
| 55 | ecco ecology + communication Unternehmensberatung GmbH | €813K | 30 | 40 |
| 56 | IBIS-Interkulturelle Arbeitsstelle Hauptgeschäftsstelle | €813K | 30 | 40 |
| 57 | NeoApply® | €813K | 30 | 40 |
| 58 | NPD Oldenburg | €813K | 30 | 40 |
| 59 | Backhus Dachdecker-GmbH | €755K | 5 | 40 |
| 60 | tanners | €713K | 5 | 40 |
| 61 | baam company | €649K | 30 | 40 |
| 62 | ardenti gmbh | €644K | 5 | 40 |
| 63 | onpoint-it gmbh | €644K | 5 | 40 |
| 64 | unit 4 consulting gmbh & co. kg | €644K | 5 | 40 |
| 65 | persopilot - applicant tracking system | €644K | 5 | 40 |
| 66 | CptnPepper | €627K | 5 | 40 |
| 67 | fontdata | €627K | 5 | 40 |
| 68 | dr. johanna budwig | €611K | 5 | 40 |
| 69 | windstudium | €572K | 5 | 40 |
| 70 | European Master in Migration and Intercultural Relations | €572K | 5 | 40 |
| 71 | Unternehmertreff Oldenburg (UTO) / Unternehmertreff Ammerland (UTA) | €548K | 5 | 40 |
| 72 | dbp-architektur | €512K | 5 | 40 |
| 73 | 360 products – digital growth & experience | €475K | 5 | 40 |
| 74 | siːkwəl – analytics engineering | sikwel GmbH | €473K | 5 | 40 |
| 75 | dpo werbeagentur GmbH | €473K | 5 | 40 |
| 76 | TTZ | SAP Trainings & Transformation | €473K | 5 | 40 |
| 77 | rehafabrik physiotherapie | €377K | 30 | 40 |
| 78 | rebuild ingenieurbüro | €353K | 5 | 40 |
| 79 | berufsakademie für it und wirtschaft | €353K | 5 | 40 |
| 80 | inprosens ug | €353K | 5 | 40 |
| 81 | Powergrafik | €331K | 5 | 40 |
| 82 | Keno Elling | €328K | 5 | 40 |
| 83 | googis | €328K | 5 | 40 |
| 84 | KAVEH | €328K | 5 | 40 |
| 85 | einfach.effizient. gmbh&co. kg | €319K | 30 | 40 |
| 86 | werkschule oldenburg | €319K | 30 | 40 |
| 87 | Rotary Club Oldenburg | €269K | 30 | 40 |
| 88 | rbo-Rechtsanwälte und Notarin | €253K | 5 | 40 |
| 89 | PKF ARBICON ZINK KG | €253K | 5 | 40 |
| 90 | whipso | €204K | 5 | 40 |
| 91 | ARCHITEKTEN WWP | €180K | 5 | 40 |
| 92 | moergplus architektur | €180K | 5 | 40 |
| 93 | IT-Table Oldenburg | €151K | 5 | 40 |
| 94 | downloadmix gmbh & co.kg | €141K | 5 | 40 |
| 95 | WE-Druck GmbH & Co.KG | €136K | 5 | 40 |
| 96 | InterTrilefa Systematisierung | €136K | 5 | 40 |
| 97 | GO! Corporates | €136K | 5 | 40 |
| 98 | Tourenwagen-Legenden | €115K | 5 | 40 |
| 99 | VfB Oldenburg - Die Zwote | €115K | 5 | 40 |
| 100 | Leon Hartje | €108K | 5 | 40 |