| A Liljeström Oy | Education | 2015 |
| BK LVI ja Lämpöpumppu Oy | Construction | 2019 |
| Blue Lake Cruises Oy | Transport & logistics | 2017 |
| Book Makers Finland Oy | Wholesale & retail | 2019 |
| EOT Oy | Professional & scientific | 2024 |
| Etoiles Suomi Oy | Manufacturing | 2016 |
| Finnartist Oy | Professional & scientific | 1962 |
| Glow in beauty Oy | Other services | 2025 |
| H & M Leinonen Oy | Construction | 2012 |
| Harmony Blockchain Solutions Oy | Information & communication | 2020 |
| Hiislahti Oy | Agriculture & fishing | 2020 |
| International Artist Center Oy | Professional & scientific | 1964 |
| Itsecto Oy | Wholesale & retail | 2020 |
| J.Kostiainen Oy | Transport & logistics | 2014 |
| Jarmar Oy | Professional & scientific | 1991 |
| Juhis Oy | Professional & scientific | 2019 |
| Järvi-Suomen Souturetket OY | Arts & recreation | 2000 |
| Järvi-Saimaan Palvelut Oy | Administrative & support | 2013 |
| Järvi-Suomen Syke Oy | Hospitality | 2016 |
| Kaartilan Kauppa Ky | Wholesale & retail | 2007 |
| Kankaanranta Catering Oy | Hospitality | 2020 |
| Karin Asiakirjat Oy | Professional & scientific | 2018 |
| Katin Pijot Oy | Hospitality | 2020 |
| Kiinteistö Oy Painola | Real estate | 2026 |
| Kiinteistö Oy Pieksuunlahti | Real estate | 2007 |
| Kiinteistö Oy Uitonrinne | Real estate | 1991 |
| Kiinteistö- ja Huoltopalvelut Huiskonen Oy | Real estate | 2019 |
| Kolehmainen Works Oy | Real estate | 2025 |
| Konekorjaamo Honkonen Oy | Other services | 2022 |
| Koneurakointi Auvinen Oy | Construction | 2014 |
| Kukkapää Oy | Hospitality | 2008 |
| LVI-Haataja Oy | Construction | 2025 |
| Lehtolanalueen Lämpö Oy | Energy | 1979 |
| Lepämä Oy | Construction | 2021 |
| Lomaosakeyhtiö Sulkaniemi | Real estate | 1986 |
| Luomaluhta Ky | Transport & logistics | 2015 |
| MHI-Kiinteistöt Oy | Real estate | 2021 |
| MP-Konetyö Oy | Construction | 2016 |
| MS Paint Oy | Manufacturing | 2023 |
| Manninen & Partanen Ay | Manufacturing | 2001 |
| Mantis Oy | Professional & scientific | 2024 |
| Mapline Oy | Manufacturing | 1996 |
| Megaman Oy | Construction | 1996 |
| Megapetrol Oy | Wholesale & retail | 2018 |
| Mertala Innovations Oy | Professional & scientific | 2021 |
| Metsä-Mikkonen Oy | Agriculture & fishing | 2000 |
| MetsäVirtaa Oy | Agriculture & fishing | 2006 |
| Motelli-Ravintola Sulkava avoin yhtiö | Hospitality | 2024 |
| Narias oy | Manufacturing | 2019 |
| Natural Wood & Buildings AL Oy | Construction | 2011 |
| Näppäsypalvelut Oy | Construction | 2024 |
| OK Capita Oy | Financial services | 2010 |
| Ompelutaiturit Oy | Manufacturing | 2012 |
| Osuuskunta Tampereen Hienopuu | Manufacturing | 1999 |
| Paavo Auvinen Oy | Manufacturing | 2025 |
| Parkkolanlämpö Oy | Energy | 1973 |
| Pennivainu Oy | Professional & scientific | 2017 |
| Pikut Oy | Agriculture & fishing | 2025 |
| Puukuljetus Virta Oy | Transport & logistics | 2004 |
| R. Eerikäinen Oy | Financial services | 1988 |
| RA Consulting Oy | Professional & scientific | 1990 |
| Rakennussuunnittelu Hannu Huiskonen Oy | Professional & scientific | 2008 |
| Rautaseiska Oy | Manufacturing | 1976 |
| Riapshas Oy | Transport & logistics | 2011 |
| Ruolind Oy | Agriculture & fishing | 1995 |
| SAIMAA4YOU Oy | Transport & logistics | 2021 |
| SMachinex Oy | Manufacturing | 2024 |
| SST Suursaari Tieto Oy | Arts & recreation | 2007 |
| Sunny's Fashion OY | Wholesale & retail | 2009 |
| SV-Element Oy | Manufacturing | 2007 |
| Saimaa Solutions Oy | Professional & scientific | 2018 |
| Subsonic Sound & Lighting Oy | Construction | 1999 |
| Sulkavan Herkkuleipomo, Mirja Putkonen Kommandiittiyhtiö | Hospitality | 1972 |
| Sulkavan Kiinteistöhuolto Saaristola Avoin yhtiö | Administrative & support | 2002 |
| Sulkavan Kioski and Bar Oy | Wholesale & retail | 2019 |
| Sulkavan Kotiseutulehti Oy | Information & communication | 1969 |
| Sulkavan Lumikukka Avoin yhtiö | Arts & recreation | 2003 |
| Sulkavan Lumo Oy | Information & communication | 1996 |
| Sulkavan Oravanpesät Ky | Hospitality | 2008 |
| Sulkavan Taksivälitys Oy | Transport & logistics | 2014 |
| Sulkavan Terästyö Oy | Manufacturing | 1993 |
| Sulkavan Traileri Oy | Manufacturing | 1998 |
| Sulkavan Vene Oy | Administrative & support | 1988 |
| Sulkavan Vuokratalot Oy | Real estate | 2006 |
| Sulkavan Wiljami Oy | Real estate | 1927 |
| Sulkavan palvelut Oy | Water & waste | 2008 |
| Suomen Savustuspelletti Oy | Manufacturing | 2018 |
| Sydänseikkailu Oy | Hospitality | 2023 |
| Taimin Kukkakulma ja Hautaustoimisto Ky | Wholesale & retail | 1987 |
| TerapiaSaimaa Oy | Health & social care | 2021 |
| Tietorinne Oy | Real estate | 2001 |
| Tiittala Events Oy | Arts & recreation | 2020 |
| Torimex Oy | Wholesale & retail | 2007 |
| Uplift Living Oy | Real estate | 2024 |
| Vakuutusmeklariliike Ahjo Oy | Financial services | 2017 |
| Varonen Bros Oy | Agriculture & fishing | 2021 |
| Vekaran Kalastus Oy | Agriculture & fishing | 1996 |
| Veljekset Kontinen Oy | Manufacturing | 1979 |
| Vilkaharjun Palvelut Oy | Construction | 2021 |
| Virtojen Kuljetus Ky | Transport & logistics | 1997 |