208active companies
23registered in the past year
64reported taxable income for 2024
49 t€industry median income in Finland, 2024
Largest by taxable income (100 of 208)
| Company | Municipality | Taxable income 2024 |
|---|---|---|
| Helen OyLimited company, registered 2014 | Helsinki | 46,8 M€ |
| Turun Seudun Energiantuotanto OyLimited company, registered 2001 | Naantali | 41,7 M€ |
| Tampereen Energia OyLimited company, registered 1950 | Tampere | 38,7 M€ |
| Vantaan Energia OyLimited company, registered 1910 | Vantaa | 34,3 M€ |
| Pori Energia OyLimited company, registered 1990 | Pori | 11,9 M€ |
| Oulun Energia OyLimited company, registered 1995 | Oulu | 6,1 M€ |
| Neve OyLimited company, registered 1989 | Rovaniemi | 5,5 M€ |
| Suomen Teollisuuden Energiapalvelut - STEP OyLimited company, registered 2008 | Pori | 4,9 M€ |
| Tuusulanjärven Lämpö OyLimited company, registered 2020 | Helsinki | 3,9 M€ |
| Fortum Power and Heat OyLimited company, registered 1932 | Espoo | 3,7 M€ |
| Jyväskylän Voima OyLimited company, registered 2006 | Jyväskylä | 2,4 M€ |
| Kotkan Energia OyLimited company, registered 2003 | Kotka | 2,4 M€ |
| Kokkolan Energia OyLimited company, registered 2009 | Kokkola | 2,3 M€ |
| Mariehamns Energi AbLimited company, registered 2013 | Maarianhamina - Mariehamn | 1,8 M€ |
| Lappeenrannan Lämpövoima OyLimited company, registered 1972 | Lappeenranta | 906 t€ |
| Veolia Services Suomi OyLimited company, registered 2015 | Espoo | 868 t€ |
| Kokkolan Voima OyLimited company, registered 2020 | Kokkola | 780 t€ |
| Mariehamns Bioenergi AbLimited company, registered 1994 | Maarianhamina - Mariehamn | 657 t€ |
| Oulun Energia Kenve OyLimited company, registered 2000 | Kemi | 615 t€ |
| Nivalan Kaukolämpö OyLimited company, registered 1978 | Nivala | 446 t€ |
| Vatajankoski OyLimited company, registered 1980 | Kankaanpää | 311 t€ |
| Tuulia Energy OyLimited company, registered 2007 | Ulvila | 282 t€ |
| Imatran Lämpö OyLimited company, registered 2013 | Imatra | 202 t€ |
| Jokirannan Energia OyLimited company, registered 2014 | Kangasala | 174 t€ |
| Biowin Polar OyLimited company, registered 2008 | Muonio | 166 t€ |
| Atomica Engineering OyLimited company, registered 2023 | Espoo | 145 t€ |
| Kiinteistö Oy Salon Kiertokatu 21Limited company, registered 2003 | Salo | 120 t€ |
| Hattulan Biolämpö OyLimited company, registered 2011 | Hollola | 102 t€ |
| Purso Heat OyLimited company, registered 2011 | Nokia | 97 t€ |
| Ääneverkko OyLimited company, registered 1995 | Äänekoski | 85 t€ |
| Rauman Biovoima OyLimited company, registered 1994 | Helsinki | 76 t€ |
| Hammarhugg AbLimited company, registered 2003 | Hammarland | 49 t€ |
| Vörå Energi AbLimited company, registered 2001 | Vöyri | 46 t€ |
| Biopir OyLimited company, registered 2019 | Vehmaa | 41 t€ |
| DL Power OyLimited company, registered 2006 | Ikaalinen | 39 t€ |
| Vimpelin Lämpö OyLimited company, registered 1998 | Vimpeli | 37 t€ |
| Säkkölän Voima OyLimited company, registered 2009 | Kangasala | 36 t€ |
| ML-Control OyLimited company, registered 2019 | 36 t€ | |
| Alva-yhtiöt OyLimited company, registered 1996 | Jyväskylä | 26 t€ |
| Kronoby EnergiandelslagCooperative, registered 1999 | Kruunupyy | 25 t€ |
| Juvan Bioson OyLimited company, registered 1998 | Juva | 25 t€ |
| Pellon Energia OyLimited company, registered 2015 | Pello | 22 t€ |
| Kustavin Lämpö OyLimited company, registered 2010 | Kustavi | 19 t€ |
| Energisoiva OyLimited company, registered 2023 | Toholampi | 16 t€ |
| Kurun Hakelämpö OyLimited company, registered 1996 | Ylöjärvi | 14 t€ |
| Hartolan Kuningaslämpö OyLimited company, registered 1990 | Hartola | 14 t€ |
| JaJa group OyLimited company, registered 2021 | Mäntsälä | 11 t€ |
| Kuittila Power OyLimited company, registered 2012 | Nurmes | 10 t€ |
| Nano Fluid Energy OyLimited company, registered 2023 | Lapinlahti | 10 t€ |
| Lämpö Rautjärvi OyLimited company, registered 2006 | Kankaanpää | 6 602 € |
| Fortum Power and Heat Holding OyLimited company, registered 2012 | Espoo | 6 140 € |
| ENE, Ympäristöinsinöörit OyLimited company, registered 2014 | Nakkila | 5 449 € |
| Puodinkosken Sähkö OyLimited company, registered 1988 | Ii | 4 311 € |
| Södervik Energi AbLimited company, registered 2014 | Kruunupyy | 2 672 € |
| Närpes Vindkraft Ab/OyLimited company, registered 2012 | Espoo | 1 318 € |
| Ängeslevän SähköosuuskuntaCooperative, registered 1919 | Tyrnävä | 973 € |
| Vahtisten Lämpö OyLimited company, registered 1981 | 938 € | |
| EPV Operointi OyLimited company, registered 2023 | Vaasa | 773 € |
| Sun-Beam International OyLimited company, registered 1990 | Tampere | 361 € |
| Seinäjoen Voima OyLimited company, registered 2018 | Vaasa | 220 € |
| Hirvensalmen Lämpö OyLimited company, registered 1995 | Mikkeli | 153 € |
| Voimapato OyLimited company, registered 2013 | Kouvola | 98 € |
| Övermark Värme AbLimited company, registered 2012 | Närpiö | 70 € |
| Tripower OyLimited company, registered 1993 | Mäntsälä | 52 € |
| Black Start OyLimited company, registered 2024 | Loimaa | – |
| Pyhasalmi BESS OyLimited company, registered 2024 | Helsinki | – |
| VA-Energy OyLimited company, registered 2024 | Kirkkonummi | – |
| RAFADVEN 1 OyLimited company, registered 2024 | Tampere | – |
| RAFADVEN 2 OyLimited company, registered 2024 | Tampere | – |
| RAFADVEN 3 OyLimited company, registered 2024 | Tampere | – |
| RAFADVEN 4 OyLimited company, registered 2024 | Tampere | – |
| Wolti Power OyLimited company, registered 2024 | Oulu | – |
| TLS Energy OyLimited company, registered 2024 | Pello | – |
| BEST GREEN ENERGY SOLUTION PARTNERS OY LTDLimited company, registered 2024 | Vantaa | – |
| Sotkan Voima OyLimited company, registered 2023 | Sotkamo | – |
| Sun 4 OyLimited company, registered 2023 | Turku | – |
| Sun 6 OyLimited company, registered 2023 | Turku | – |
| Sun Telja OyLimited company, registered 2023 | Turku | – |
| Sun Riste OyLimited company, registered 2023 | Turku | – |
| Sun 5 OyLimited company, registered 2023 | Turku | – |
| Kide Rajamäki OyLimited company, registered 2023 | Nurmijärvi | – |
| Green Hydrogen Park OyLimited company, registered 2023 | Seinäjoki | – |
| KajaWoima OyLimited company, registered 2023 | Vantaa | – |
| SolForU OyLimited company, registered 2022 | Helsinki | – |
| Powerheat Solutions OyLimited company, registered 2022 | Vaasa | – |
| Ab Grani El OyLimited company, registered 2022 | Kauniainen | – |
| Sonnila Energy OyLimited company, registered 2022 | Kokemäki | – |
| Esse Solar and Energy Park AbLimited company, registered 2022 | Pedersören kunta | – |
| Fenno Caledonian OyLimited company, registered 2022 | Helsinki | – |
| Osuuskunta Västervikin EkolämpöCooperative, registered 2021 | Vaasa | – |
| BioField OyLimited company, registered 2021 | Lahti | – |
| Pajaenergia OyLimited company, registered 2021 | Huittinen | – |
| Aurinkosijoitus OyLimited company, registered 2021 | Nokia | – |
| Murtomäentien Lämpö OyLimited company, registered 2021 | Alajärvi | – |
| Kemiönsaaren Turismin Intressi KTI OyLimited company, registered 2021 | Kemiönsaari | – |
| EPV Säätövoima OyLimited company, registered 2021 | Vaasa | – |
| Nocart Solutions OyLimited company, registered 2020 | Mäntsälä | – |
| HTP ELECTRIC BOX OYLimited company, registered 2020 | – | |
| NFU Group OyLimited company, registered 2019 | Vantaa | – |
| JM Boilers EXP OyLimited company, registered 2019 | Jyväskylä | – |
Taxable income is the profit as calculated for taxation, not revenue. Revenue is shown once a company has filed its financial statements digitally. Each company's page has its financials, tax data and Trade Register events.
Newest companies
| EEWA Consulting Oy | 27.10.2026 |
| Malthe Winje Energiteknikk AS., Suomen sivuliike | 7.7.2026 |
| Trevian Tundrum Core Oy | 2.3.2026 |
| Helen Ydinvoima Oy | 19.1.2026 |
| Tenages Project 4 Oy | 17.12.2025 |
| Tenages Project 3 Oy | 17.12.2025 |
| Heliades Project 10 Oy | 17.12.2025 |
| Tenages Project 1 Oy | 17.12.2025 |
| Tenages Project 2 Oy | 17.12.2025 |
| Heliades Project 9 Oy | 17.12.2025 |
By municipality
Helsinki43Tampere13Espoo8Vantaa7Vaasa7Mikkeli6Jyväskylä5Turku5Kotka4Salo4Kangasala3Mäntsälä3Oulu3Pietarsaari3Pori3Seinäjoki3Äänekoski3Alajärvi2Kankaanpää2Kittilä2Kokkola2Kouvola2Kruunupyy2Lahti2Maalahti2Maarianhamina - Mariehamn2Nokia2Nurmijärvi2Pello2Eurajoki1Forssa1Haapavesi1Hamina1Hammarland1Hartola1Hattula1Hollola1Huittinen1Ii1Ikaalinen1Imatra1Juva1Kajaani1Karstula1Karvia1Kauniainen1Kemi1Kirkkonummi1Kokemäki1Kuhmo1Kuopio1Kustavi1Kemiönsaari1Lapinlahti1Lappajärvi1Lappeenranta1Loimaa1Merikarvia1Muonio1Mänttä-Vilppula1Naantali1Nakkila1Nivala1Nurmes1Närpiö1Orimattila1Petäjävesi1Pedersören kunta1Porvoo1Raahe1Rautjärvi1Rovaniemi1Siuntio1Sotkamo1Säkylä1Toholampi1Tornio1Tyrnävä1Ulvila1Uusikaarlepyy1Varkaus1Vehmaa1Vimpeli1Virrat1Vöyri1Ylöjärvi1