| APS Asennuspalvelu Oy | Manufacturing | 2014 |
| Aalteman Oy | Wholesale & retail | 2008 |
| Aalto Kiinteistöt Oy | Real estate | 2012 |
| Aalto Rakennus Oy | Construction | 2018 |
| Adspecta Oy | Professional & scientific | 2018 |
| Aleksi Nikkanen Oy | Transport & logistics | 2020 |
| Arikal Oy | Real estate | 1976 |
| Asemanteko Finland Oy | Professional & scientific | 2009 |
| Auranmaan Teräspaaluttajat Oy | Construction | 2010 |
| Avoin yhtiö T & B Neulanen | Wholesale & retail | 1997 |
| Cancotronic Oy | Construction | 1998 |
| Finnrel Oy | Professional & scientific | 2017 |
| Greeno Oy | Real estate | 2013 |
| Halikon Rohdos Oy | Wholesale & retail | 2008 |
| Hebilla Oy | Administrative & support | 1997 |
| Huvilan Tila Oy | Agriculture & fishing | 2001 |
| Härkätien Tilipalvelu Oy | Professional & scientific | 2012 |
| Härkätien kahvila kommandiittiyhtiö | Hospitality | 2018 |
| Iipuu Oy | Construction | 2021 |
| J & O Setälä Ky | Transport & logistics | 1999 |
| JN7 Holding Oy | Financial services | 2025 |
| JaMa-Power Oy | Transport & logistics | 2006 |
| Jarru-Boys Oy | Other services | 1994 |
| Juutilan Sähkötyö Oy | Construction | 2024 |
| KAJO Capital Oy | Financial services | 2021 |
| KMK TEAM Oy | Financial services | 2021 |
| KOY Marttilan Helmi | Real estate | 2013 |
| KV Kuljetus OY | Transport & logistics | 2006 |
| Kaivuu Mikola Oy | Transport & logistics | 2013 |
| Kaluste- ja Porrasvalmiste Ky P. Rantalainen | Manufacturing | 1982 |
| Kerko Ky | Manufacturing | 1987 |
| Kiinteistö Oy Härkätie 886 A | Wholesale & retail | 2003 |
| Kiinteistö Oy Petas | Real estate | 1997 |
| Kiinteistö Oy Pusa | Real estate | 1986 |
| Kiinteistö Oy Vahvalanrinne | Real estate | 2001 |
| Koskinen Services Oy | Financial services | 2021 |
| Kuljetus J. Ruuni Oy | Transport & logistics | 2001 |
| Kuljetus Jukka Koskinen Oy | Transport & logistics | 2011 |
| Kuljetusliike R Nikkanen Kommandiittiyhtiö | Transport & logistics | 1982 |
| Kuokantalo Oy | Hospitality | 2011 |
| Latomäen Tilaviini Ky | Manufacturing | 1997 |
| Lunula Store Oy | Wholesale & retail | 2026 |
| MIR-Sähkö Oy | Construction | 1995 |
| MULMI ky | Professional & scientific | 2025 |
| Maansiirto Mäki-Kantti Oy | Construction | 2004 |
| Marttilan Kaivuu ja Kuljetus Oy | Construction | 2005 |
| Marttilan LVI-Palvelu Oy | Construction | 2021 |
| Marttilan Tilitoimisto Oy | Professional & scientific | 1968 |
| Marttilan Traktorihuolto Oy | Manufacturing | 2023 |
| Metal-Tech Oy | Manufacturing | 2024 |
| Mideco-Fin Oy | Wholesale & retail | 2004 |
| Milan ja Leena Oy | Wholesale & retail | 2024 |
| Motoparts Oy | Wholesale & retail | 2007 |
| MurtoPuntari Oy | Agriculture & fishing | 2025 |
| Netarplan Oy | Information & communication | 2005 |
| Niconor Oy | Professional & scientific | 2005 |
| Nordic Plastic Revolution Oy | Manufacturing | 2024 |
| Northest Oy | Construction | 2019 |
| Nostolinkki Oy | Construction | 2005 |
| O. Kylänpää Oy | Administrative & support | 2014 |
| Oy Edgedesert & Co | Financial services | 2008 |
| Part Master Oy | Wholesale & retail | 2000 |
| Parturi-kampaamo Cacatúa avoin yhtiö | Other services | 2012 |
| Paseva Oy | Manufacturing | 2022 |
| Pecca Oy | Construction | 2022 |
| Puupään Puupalvelu Oy | Agriculture & fishing | 2023 |
| RK-työkone Oy | Wholesale & retail | 2021 |
| RKM-Kuljetus Oy | Transport & logistics | 1997 |
| Rahtipower Oy | Transport & logistics | 2010 |
| Rakennustoimisto Laaksonen Oy | Construction | 2006 |
| Reunasalon Mylly Oy | Manufacturing | 2005 |
| Rounankoski Oy | Manufacturing | 2023 |
| Rove Group Oy | Financial services | 2019 |
| SJR Logistics Oy | Transport & logistics | 2014 |
| Sangwien Marjafarmi Ky | Agriculture & fishing | 2012 |
| Skandinavia Kodit Oy | Construction | 2015 |
| Sähköurakointi Jari Sallasmaa Ky | Construction | 2003 |
| TOMKA Huoltopalvelu Oy | Manufacturing | 2015 |
| TVA Group Oy | Financial services | 2014 |
| Tenotek Oy | Manufacturing | 2021 |
| TerCo Engineering Oy | Manufacturing | 2011 |
| Terapiatalo Tempo Osuuskunta | Health & social care | 2018 |
| Tilitoimisto MilTilil Oy | Professional & scientific | 2021 |
| Trukkihuolto Harri Havumäki Oy | Wholesale & retail | 2008 |
| VKL-Monitoimi Oy | Financial services | 1983 |