| 1 Fixa Oy | Wholesale & retail | 2006 |
| A&K Palvelut Oy | Transport & logistics | 2022 |
| AIMVES rakennus Oy | Construction | 2025 |
| AM infra oy | Construction | 2016 |
| AT-Pihatuote Oy | Wholesale & retail | 2010 |
| ATK Tech Consulting Oy | Professional & scientific | 2016 |
| Akka Creative Oy | Information & communication | 2023 |
| Akramed Oy | Health & social care | 2022 |
| Berhel Oy | Manufacturing | 2025 |
| Betonihemmo Oy | Real estate | 2025 |
| Causapro Oy | Professional & scientific | 2023 |
| Cloudberry Innovations Oy | Wholesale & retail | 2021 |
| Cloudberrywind Oy | Financial services | 2008 |
| Drop Point Oy | Transport & logistics | 2008 |
| EKteam Oy | Transport & logistics | 2021 |
| Ekifix Oy | Construction | 2009 |
| Gronnd Oy | Construction | 2022 |
| Hyvinvointi Olotila OY | Health & social care | 2014 |
| Hapeta Oy | Construction | 2021 |
| Hotelli Sammatti Ky | Hospitality | 2025 |
| Itumetalli Ky | Manufacturing | 1990 |
| JV urheilu ja liikunta oy | Arts & recreation | 2024 |
| Jes-se Saneeraus Oy | Construction | 2023 |
| Jokfirak Oy | Construction | 2025 |
| Jouni Nurmela Oy | Construction | 2014 |
| Jykewä Rakennus Oy | Construction | 2021 |
| KK Hire Oy | Administrative & support | 2013 |
| Kalevala World - Kalevalan Maailma Oy | Information & communication | 2017 |
| Kankaan Siivouspalvelu Oy | Administrative & support | 2019 |
| Karfomix ky | Other services | 1986 |
| Kiinteistö OY Alatie | Real estate | 2014 |
| Kiinteistö Oy Härjänranta | Real estate | 1997 |
| Kiinteistö Oy Lohjan Lönnrotintie 9 A | Real estate | 2018 |
| Kiinteistö Oy Mäystinkuja | Real estate | 2010 |
| Kiinteistö Oy Sammatin Jämeri | Real estate | 1992 |
| Kiinteistö Oy Sorronrinne | Real estate | 1986 |
| Koneurakointi E. Lehtiranta Oy | Transport & logistics | 2007 |
| Koski Solutions Oy | Professional & scientific | 2026 |
| Koski Yhtiöt Oy | Real estate | 2025 |
| Kuljetus Setima Oy | Transport & logistics | 2013 |
| Kuljetus Särmäharju Ky | Transport & logistics | 1995 |
| Kylmäasennus Sironen Oy (KAS) | Construction | 2008 |
| L. Isopuro Oy | Construction | 2020 |
| Laatutiimi Hänninen Ky | Professional & scientific | 2016 |
| LateFix Oy | Construction | 2026 |
| Lepola-Wood Oy | Wholesale & retail | 2002 |
| Lepolan Puusepät Oy | Manufacturing | 1977 |
| Luonnollinen Ruokinta Oy | Education | 2023 |
| Mikko Pietilä OY | Manufacturing | 2012 |
| MaNun Hunaja avoin yhtiö | Agriculture & fishing | 2023 |
| Maalausliike Stelmacher & Poika Oy | Construction | 1997 |
| Marko Pesonen Oy | Wholesale & retail | 2009 |
| Megaway Oy | Transport & logistics | 2012 |
| Mendoza Oy | Hospitality | 2024 |
| Metsätietopalvelu Silmu Oy | Agriculture & fishing | 2018 |
| Metsätyö Eskola Oy | Agriculture & fishing | 1996 |
| MiPaRak Oy | Construction | 2020 |
| Miltonus Oy | Health & social care | 2013 |
| Nettiremppa Oy | Professional & scientific | 2019 |
| Nordic Heavy Demolition Oy | Construction | 2020 |
| NostoLeo OY | Construction | 2016 |
| Näkövinkkeli Oy | Construction | 1990 |
| Oskari-Tuote Ky | Manufacturing | 1974 |
| Pehavame OY | Real estate | 2023 |
| PP Itäväylä Oy | Transport & logistics | 2018 |
| Plot Twist Oy | Information & communication | 2026 |
| Pokanmäen vesiosuuskunta | Water & waste | 2018 |
| Presiis Siivous Oy | Administrative & support | 2018 |
| RKS Isännöintipalvelu Oy | Real estate | 1989 |
| Rakennus Rudi Oy | Construction | 2013 |
| Rakennus ja Saneeraus Nieminen Oy | Construction | 2008 |
| Rakennuspalvelu Ismo Kontro Oy | Construction | 2018 |
| Rakennuspalvelut RS Ojanen Oy | Professional & scientific | 1998 |
| Rakennustyö Veljekset Nieminen Oy | Construction | 1983 |
| Rapida Oy | Information & communication | 2017 |
| Rengasmestarit Oy | Wholesale & retail | 2008 |
| Risa Production Oy | Arts & recreation | 2017 |
| RysyMedia Oy | Professional & scientific | 2023 |
| SC Sormunen Oy | Administrative & support | 2017 |
| SR-Putkipalvelut OY | Construction | 2018 |
| Sammatin Katrilli Ky | Wholesale & retail | 1989 |
| Sammatin Maanrakennus Oy | Construction | 1977 |
| Sammatin Sähköpalvelu Oy | Construction | 2015 |
| Sammatin Teollisuuskiinteistö Oy | Real estate | 1978 |
| Sandra Ann-Marie Porthan Oy | Health & social care | 2022 |
| Saneerauslinja Oy | Construction | 1982 |
| Sannotec Oy | Manufacturing | 1993 |
| Sarkimo Oy | Wholesale & retail | 2000 |
| Seramec Oy | Manufacturing | 1991 |
| Speedy Flower Oy | Construction | 1994 |
| Stella Natura Oy | Manufacturing | 2024 |
| StreamiNet Oy Ltd | Information & communication | 2020 |
| Suomen Kuivakukkatukku Oy | Wholesale & retail | 2026 |
| Sähköurakointi Arto Heikkilä Ky | Construction | 2002 |
| TS Pihatyöt Oy | Administrative & support | 2025 |
| Taattu Pinta Oy | Construction | 2020 |
| Tiliheseri Oy | Professional & scientific | 2014 |
| Trans Koskinen Oy | Transport & logistics | 2026 |
| Tuuheikko Oy | Hospitality | 1993 |
| URKRAFT Oy | Wholesale & retail | 2024 |