| LVI Westerholm Oy | Other services | 2024 |
| LVI Wou Oy | Construction | 2021 |
| Lvi- Valkama OY | Construction | 2022 |
| Lvi-Ald OY | Construction | 2019 |
| LVI-Aittasalo Oy | Construction | 1986 |
| LVI-Fenno Asennus Oy | Professional & scientific | 2009 |
| LVI-Flow Oy | Construction | 2013 |
| LVI-Insinööritoimisto Vahvacon Oy | Professional & scientific | 1989 |
| LVI-Kruunuranta OY | Construction | 2025 |
| LVI-Loisto Oy | Construction | 2022 |
| LVI-Mansetti Oy | Construction | 2024 |
| LVI-Mittauspalvelut Kaleva Oy | Construction | 2010 |
| LVI-Mustonen Oy | Construction | 1986 |
| LVI-Pakki Oy | Construction | 2010 |
| LVI-Palvelu Kipinä Oy | Construction | 2013 |
| LVI-Palvelu Warma Oy | Construction | 2016 |
| LVI-Palvelut Hilke & Rissanen Oy | Construction | 2023 |
| LVI-Pitkälä Etelä Oy | Construction | 2019 |
| LVI-Pitkälä Newair Oy | Construction | 2015 |
| LVI-Point Oy | Construction | 2006 |
| LVI-Rundström Oy | Construction | 2017 |
| LVI-Taso Oy | Construction | 1993 |
| LVI-Tekniikka Aulin Oy | Professional & scientific | 1996 |
| LVI-Toukola Oy | Construction | 2019 |
| LVI-Urakointi Paavola Oy | Construction | 2002 |
| LVI-Wuorio Oy | Construction | 1992 |
| LVI-neloset Oy | Construction | 2011 |
| LVI-numero Oy | Professional & scientific | 2003 |
| LVI-suunnittelu BRL Oy | Professional & scientific | 1991 |
| LVI-tsto Akestech Oy | Construction | 2013 |
| LVIA-insinööritoimisto A & J Oy | Professional & scientific | 2025 |
| LVIS Kaukonen Oy | Construction | 2023 |
| LVIX-Tekniikka Oy | Wholesale & retail | 2016 |
| LVK Holding Oy | Financial services | 2026 |
| LVK6 Technology Oy | Wholesale & retail | 2016 |
| LVL UP Oy | Administrative & support | 2021 |
| LVMed Oy | Financial services | 2011 |
| LW Holdings Oy | Financial services | 2022 |
| LW Nord Oy | Professional & scientific | 2026 |
| LWD Group Oy Ab | Professional & scientific | 2021 |
| LWK Invest Oy | Financial services | 2023 |
| LWK Production Oy | Professional & scientific | 2023 |
| LWK-Tekniikka Oy | Construction | 2010 |
| LWY Construction Oy | Professional & scientific | 2025 |
| LXR Group Oy | Wholesale & retail | 2005 |
| LY Onni Oy | Hospitality | 2025 |
| LYKTA FINLAND Oy Ab | Wholesale & retail | 2018 |
| La Alquilera Oy | Real estate | 2000 |
| La Baguette Coffee Shop Oy | Hospitality | 2015 |
| La Bella Trattoria Oy | Hospitality | 2015 |
| La Bestia Productions Oy | Information & communication | 2024 |
| La Bichette Oy Ltd | Real estate | 1994 |
| La Buena Agencia Oy | Information & communication | 2025 |
| La Carretera ravintolat Oy | Hospitality | 2017 |
| La Chica Oy | Other services | 2006 |
| La Firme Oy | Professional & scientific | 2018 |
| La Fontaine Oy | Financial services | 2017 |
| La Fée Oy | Professional & scientific | 1997 |
| La Grande Plage Oy | Financial services | 2019 |
| La Hucha Oy | Financial services | 2025 |
| La Jola Oy | Construction | 2021 |
| La Lilla Helsinki Oy | Professional & scientific | 2021 |
| La Locanda Lunch Oy | Hospitality | 2023 |
| La Luna Oy | Professional & scientific | 1989 |
| La Lunette Oy | Wholesale & retail | 1989 |
| La Lux Oy | Transport & logistics | 2022 |
| La Mardino's Oy | Hospitality | 2024 |
| La Matta Ky | Wholesale & retail | 1999 |
| La Parra Ab | Wholesale & retail | 2014 |
| La Taperia Helsinki Oy | Hospitality | 2021 |
| La Tonnelle Oy | Financial services | 2014 |
| La Torrefazione Oy | Hospitality | 1997 |
| La Ventana Oy | Wholesale & retail | 2005 |
| La Vi Oy | Construction | 2012 |
| La Vie Catering Oy | Hospitality | 2023 |
| La Voce Oy | Professional & scientific | 2017 |
| La scene Aurora Inc Oy | Arts & recreation | 2023 |
| La-Bamba Finland Oy | Hospitality | 1989 |
| La-Ri Invest Oy | Financial services | 1985 |
| LaJoie Oy | Wholesale & retail | 2021 |
| LaLa Holding Oy | Financial services | 2024 |
| LaMa Invest Oy | Financial services | 2022 |
| LaMente Ltd Oy | Wholesale & retail | 1996 |
| LaUu Oy | Real estate | 2020 |
| LaWal Oy | Construction | 2021 |
| Laa2 Oy | Other services | 2008 |
| Laaja Muuttopalvelu group Oy | Transport & logistics | 2026 |
| Laaja Service oy | Administrative & support | 2025 |
| Laajalti Oy | Wholesale & retail | 2022 |
| Laajamaalaus Ky | Construction | 1979 |
| Laajarinne Capital Oy | Financial services | 2007 |
| Laajasalon Isännöinti Neliapila Oy | Real estate | 2022 |
| Laajasalon Kauneus- ja Jalkahoitola Oy | Other services | 2025 |
| Laajasalon Kukkapalvelu Oy | Wholesale & retail | 2018 |
| Laajasalon Kuljetus Oy | Professional & scientific | 1990 |
| Laajasalon Liikenne Oy | Transport & logistics | 2022 |
| Laajasalon Metallityö Lasame Oy | Construction | 1992 |
| Laajasalon Optiikka Oy | Wholesale & retail | 2018 |
| Laajasalon Työpalvelu Oy | Construction | 2019 |
| Laajasalon jalkapallonurmi Oy | Arts & recreation | 2015 |