| HotelsMedia OÜ | 98.7 k € | 0 | 2016-03-15 |
| Grafton Estonia OÜ | 9.25 M € | 4 | 2005-11-21 |
| HR Factory OÜ | 908.7 k € | 26 | 2004-10-19 |
| OÜ K.R. Legal | 900 € | 0 | 2025-01-13 |
| Enerhack OÜ | 81.9 k € | 3 | 2021-05-25 |
| SB Pesula OÜ | 7.9 k € | 0 | 2022-11-10 |
| Infragreen OÜ | 7.65 M € | 28 | 2023-05-17 |
| CucinaTrading OÜ | 75.3 k € | 0 | 2014-10-27 |
| Purpletail OÜ | 7.2 k € | 1 | 2023-03-01 |
| CI Property Management OÜ | 678.9 k € | 5 | 2015-11-30 |
| MurafaDigital OÜ | 6.60 M € | 2 | 2021-10-19 |
| CI Project Management OÜ | 64.5 k € | 0 | 2024-09-17 |
| AstraZeneca Eesti OÜ | 6.29 M € | 41 | 2009-10-16 |
| WinWinSolutions Production OÜ | 617 € | 0 | 2022-07-20 |
| Sihtasutus Rohetiiger | 591.1 k € | 5 | 2020-12-15 |
| Red OÜ | 57.6 k € | 1 | 2012-11-30 |
| SunContract OÜ | 5.19 M € | 1 | 2019-11-26 |
| ELTALINE OÜ | 515.1 k € | 1 | 2018-11-05 |
| OÜ Blackstone Ventures | 5.0 k € | 0 | 2009-12-21 |
| LeMans Labs OÜ | 49 € | 0 | 2023-12-01 |
| Teenusmajanduse Koda | 46.0 k € | 0 | 2010-05-19 |
| ANG Capital Group OÜ | 45.8 k € | 0 | 2016-03-22 |
| Brokerly OÜ | 43.8 k € | 0 | 2022-01-24 |
| United Talents OÜ | 422.0 k € | 5 | 2014-09-04 |
| LGFG Eesti OÜ | 4.17 M € | 5 | 2015-10-30 |
| Ericsson Eesti Aktsiaselts | 414.83 M € | 1796 | 1995-12-20 |
| Gertruuda OÜ | 39.2 k € | 0 | 2013-04-19 |
| Codewindmills OÜ | 38.5 k € | 0 | 2022-12-05 |
| Baltic Focus OÜ | 38.3 k € | 0 | 2009-04-27 |
| Nägemisuuringud OÜ | 379.4 k € | 4 | 2018-08-14 |
| ETL-Baltic Group OÜ | 374.2 k € | 5 | 2009-08-13 |
| Egeria OÜ | 337.9 k € | 0 | 1997-10-20 |
| Imex Oil Trade OÜ | 3.34 M € | 2 | 2013-04-05 |
| Hitachi Energy Estonia AS | 30.41 M € | 202 | 2019-10-31 |
| Distrikt Kapital OÜ | 29.2 k € | 1 | 2019-08-02 |
| MoveMyTalent OÜ | 287.6 k € | 4 | 2014-03-31 |
| Rushmore Technology OÜ | 2.79 M € | 7 | 2018-11-23 |
| SELTICO Holding OÜ | 273.3 k € | 0 | 2004-09-02 |
| Hansen Consult OÜ | 270.2 k € | 1 | 2008-09-01 |
| FOB Solutions OÜ | 2.70 M € | 23 | 2013-04-04 |
| Espen Capital Management OÜ | 26.0 k € | 0 | 2008-02-19 |
| Aureus Capital OÜ | 25.3 k € | 1 | 2009-03-27 |
| Nordic CF Advisory Osaühing | 250.4 k € | 1 | 2009-02-27 |
| LEANEST OÜ | 2.42 M € | 18 | 2016-05-30 |
| Fredo Restoranid OÜ | 2.31 M € | 21 | 2017-05-30 |
| Hekler Industrial HR OÜ | 2.24 M € | 10 | 2016-03-08 |
| NJ Production OÜ | 2.18 M € | 8 | 2007-09-28 |
| Purjesemud OÜ | 2.1 k € | 0 | 2023-01-11 |
| MAROX HOLDINGS OÜ | 20.5 k € | 1 | 2019-07-05 |
| Mittetulundusühing Enerhack Foundation | 197.7 k € | 4 | 2021-05-26 |
| M.F.M. Web Marketing OÜ | 1.97 M € | 1 | 2019-11-11 |
| Besst Technologies OÜ | 19.6 k € | 1 | 2014-02-03 |
| Palladium Advokaadibüroo OÜ | 190.3 k € | 2 | 2021-03-23 |
| Hekler Skandinavia OÜ | 1.90 M € | 23 | 2022-10-17 |
| OÜ RLM Digital | 18.9 k € | 0 | 2023-01-20 |
| ESTLEGAL CORPORATE SERVICES OÜ | 186.4 k € | 1 | 2019-09-30 |
| OÜ ILC | 18.4 k € | 1 | 2008-10-02 |
| Panda Professionals OÜ | 17.7 k € | 1 | 2012-03-07 |
| Maksim OÜ | 175.8 k € | 1 | 2014-08-28 |
| Accela OÜ | 1.7 k € | 0 | 2018-02-13 |
| NOQQ OÜ | 1.71 M € | 14 | 2015-10-19 |
| Traadita Kommunikatsioonide Osaühing | 16.2 k € | 0 | 1996-04-15 |
| ARCHIBUS Solution Center Hosting Services OÜ | 1.47 M € | 1 | 2011-12-16 |
| Colliers International Advisors OÜ | 1.40 M € | 8 | 2006-12-13 |
| Planetway Europe OÜ | 137.6 k € | 3 | 2016-01-07 |
| HeatConsult OÜ | 1.37 M € | 11 | 2011-01-27 |
| OÜ Aureus Capital Consulting | 13.1 k € | 0 | 2015-01-13 |
| Addenda OÜ | 1.30 M € | 4 | 2002-10-25 |
| Andmekaitse Ekspert OÜ | 12.2 k € | 0 | 2018-01-12 |
| Apax OÜ | 120.0 k € | 0 | 2021-08-13 |
| Norpinus OÜ | 1.2 k € | 1 | 1999-10-04 |
| NV Property OÜ | 118.1 k € | 2 | 2018-10-19 |
| OÜ Arhitektuuribüroo Foon | 114.5 k € | 1 | 2005-12-08 |
| Fredo Estate OÜ | 111.9 k € | 5 | 2024-01-03 |
| CI Residential OÜ | 11.0 k € | 0 | 2015-07-01 |
| Innovation Academy Sihtasutus | 1.09 M € | 6 | 2013-09-05 |
| SONCE Energy OÜ | 106.8 k € | 0 | 2019-11-26 |
| OÜ Alignment Technology | 10.6 k € | 3 | 2023-04-17 |
| Estnames OÜ | 1.0 k € | 1 | 2022-01-31 |
| Aktsiaselts Vaivara Wind | 0 € | 0 | 2010-09-17 |
| Atria OÜ | 0 € | 0 | 2006-06-30 |
| Connel Trade OÜ | 0 € | 0 | 2019-06-07 |
| Damitra OÜ | 0 € | 0 | 2017-03-10 |
| Energe Eesti OÜ | 0 € | 0 | 2009-10-06 |
| Forest Land OÜ | 0 € | 0 | 2001-12-20 |
| Green Opuntia OÜ | 0 € | 0 | 2013-02-12 |
| Investese OÜ | 0 € | 0 | 2020-01-30 |
| Kova Limited OÜ | 0 € | 0 | 2024-12-19 |
| Linzo Group OÜ | 0 € | 0 | 2019-10-30 |
| MCPorta OÜ | 0 € | 0 | 2009-07-03 |
| Millennium Invest OÜ | 0 € | 0 | 2018-02-20 |
| Multi Kindlustusmaakler OÜ | 0 € | 0 | 2020-03-04 |
| OÜ SYNOCRON | 0 € | 0 | 2019-06-04 |
| QMOBI EUROPE OÜ | 0 € | 0 | 2017-10-26 |
| Regional Jet Crew OÜ | 0 € | 0 | 2021-01-18 |
| Schoolify Holding OÜ | 0 € | 0 | 2022-06-07 |
| Vtuur OÜ | 0 € | 0 | 2018-04-12 |
| AE New Financial Technologies OÜ | — | — | 2018-11-28 |
| Aktsiaselts MAIRELLO | — | 0 | 1997-11-18 |
| Balti Investorite Grupp OÜ | — | — | 2012-10-05 |
| BILL.ME LTD Eesti filiaal | — | — | 2017-11-03 |
| BioSystems Trade OÜ | — | 1 | 2015-09-22 |
| Blacklist Holdings OÜ | — | — | 2025-04-30 |
| BRUCE Platform OÜ | — | 0 | 2018-04-30 |
| CPHOLDEST OÜ | — | 0 | 2023-05-29 |
| Creativelab OÜ | — | — | 2018-05-02 |
| Disainerid OÜ | — | 1 | 2021-10-21 |
| Emobi Group OÜ | — | 0 | 2017-10-19 |
| Global Energy Consulting OÜ | — | 0 | 2010-06-18 |
| inHouse Pay AS | — | 1 | 2018-11-13 |
| Ironframe OÜ | — | — | 2025-12-18 |
| Joonevoog OÜ | — | — | 2025-04-04 |
| Legal Entity Compliance OÜ | — | — | 2025-11-20 |
| Metoilex OÜ | — | 0 | 2019-11-13 |
| MTÜ Roheline Ülemiste | — | — | 2020-11-13 |
| Nineline Management Services OÜ | — | — | 2017-09-14 |
| Nolandia OÜ | — | — | 2025-10-21 |
| Nordea Bank Abp Eesti filiaal | — | — | 2014-02-03 |
| Nordic Industrial Corporation OÜ | — | 0 | 2017-02-15 |
| NV Finance Group OÜ | — | — | 2017-05-19 |
| Osaühing Cronfa | — | — | 2025-06-03 |
| Parim Labs OÜ | — | — | 2026-03-31 |
| PARiM Limited Eesti filiaal | — | — | 2017-12-29 |
| Protos Service OÜ | — | — | 2013-07-11 |
| RE24 Problems OÜ | — | — | 2026-02-18 |
| Red Fox OÜ | — | — | 2017-03-21 |
| Scribicon OÜ | — | 0 | 2013-07-16 |
| Spaincap OÜ | — | 0 | 2018-05-21 |
| Sterling Capital OÜ | — | 0 | 2023-09-14 |
| Stokado OÜ | — | — | 2024-02-02 |
| Stone OÜ | — | 0 | 2007-02-20 |
| VELOCITER INVEST AS | — | 0 | 2014-11-24 |
| PAS Aviation International OÜ | 2.92 M € | 2 | 2018-05-30 |
| FALCONE OÜ | 145.5 k € | 0 | 2019-11-28 |
| BBevgoymer OÜ | 0 € | 0 | 2020-04-17 |
| Cloud Aten OÜ | 0 € | 0 | 2021-06-01 |
| Crypto Media OÜ | 0 € | 0 | 2018-02-02 |
| Aplus Carrent OÜ | — | — | 2017-11-01 |
| FLEETFLUX OÜ | — | — | 2024-03-21 |
| Inevo Group OÜ | — | 0 | 2012-08-09 |
| Selectiio Digital Technologies OÜ | — | 0 | 2018-04-04 |