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100 companies, from 2025 annual reports. Registered companies only.

  1. 1.Elektrilevi OÜ
    11050857, Kesklinna linnaosa
    Revenue 2025
    €319.4M
    +4.9%
    Net profit
    €47.7M
    +50%
    Employees
    861
  2. 2.Enefit Power OÜ
    17209649, Auvere küla
    Revenue 2025
    €182.4M
    —
    Net profit
    −€28.6M
    —
    Employees
    535
  3. 3.AS Utilitas Tallinna Soojus
    16791481, Kesklinna linnaosa
    Revenue 2025
    €152.2M
    —
    Net profit
    €21.8M
    +140%
    Employees
    193
  4. 4.Silpower Aktsiaselts
    10266472, Sillamäe linn
    Revenue 2025
    €14.6M
    +7.8%
    Net profit
    €2.1M
    +3,336%
    Employees
    103
  5. 5.Adven Eesti AS
    10066299, Mustamäe linnaosa
    Revenue 2025
    €24.8M
    −42%
    Net profit
    €113K
    −88%
    Employees
    88
  6. 6.Gren Eesti AS
    12114252, Pärnu linn
    Revenue 2025
    €28.4M
    −17%
    Net profit
    −€10.3M
    −225%
    Employees
    71
  7. 7.Gren Tartu AS
    10641763, Tartu linn
    Revenue 2025
    €48.7M
    −5.8%
    Net profit
    €12.1M
    −12%
    Employees
    66
  8. 8.AS Utilitas Eesti
    10419088, Kesklinna linnaosa
    Revenue 2025
    €16.8M
    +8.3%
    Net profit
    €1.3M
    +2,734%
    Employees
    65
  9. 9.Danpower Eesti AS
    10351812, Võru linn
    Revenue 2025
    €5.9M
    −1.5%
    Net profit
    €1.1M
    +22%
    Employees
    44
  10. 10.Elektrum Eesti OÜ
    11399985, Mustamäe linnaosa
    Revenue 2025
    €125M
    +69%
    Net profit
    €1.6M
    +660%
    Employees
    38
  11. 11.OÜ Utilitas Tallinna Elektrijaam
    10938397, Lasnamäe linnaosa
    Revenue 2025
    €65.1M
    +0.9%
    Net profit
    €23.7M
    −0.1%
    Employees
    38
  12. 12.AS Gaasivõrk
    12503841, Kesklinna linnaosa
    Revenue 2025
    €37.3M
    −9.9%
    Net profit
    €1.8M
    −40%
    Employees
    36
  13. 13.Gren Viljandi AS
    10021049, Viljandi linn
    Revenue 2025
    €7.9M
    −6.1%
    Net profit
    €512.6K
    +30%
    Employees
    35
  14. 14.Aktsiaselts Kuressaare Soojus
    10105549, Kuressaare linn
    Revenue 2025
    €6M
    −1.2%
    Net profit
    €362.4K
    +566%
    Employees
    30
  15. 15.Osaühing OSK GRUPP
    10268560, Järve linnaosa
    Revenue 2025
    €2.2M
    +11%
    Net profit
    €85.5K
    +107%
    Employees
    29
  16. 16.aktsiaselts REVEKOR
    10135942, Räpina linn
    Revenue 2025
    €1.4M
    +6.8%
    Net profit
    −€23.6K
    +63%
    Employees
    29
  17. 17.Alutaguse Haldus Osaühing
    11001422, Mäetaguse alevik
    Revenue 2025
    €1.4M
    +2.2%
    Net profit
    −€331K
    +28%
    Employees
    24
  18. 18.Enveko OÜ
    10320390, Laiuse alevik
    Revenue 2025
    €1.2M
    +164%
    Net profit
    −€140K
    −62%
    Employees
    24
  19. 19.Aktsiaselts Põhja-Sakala Haldus
    11351613, Suure-Jaani linn
    Revenue 2025
    €1.4M
    +1.2%
    Net profit
    −€173.6K
    +29%
    Employees
    22
  20. 20.Aktsiaselts NARVA SOOJUSVÕRK
    10549419, Narva linn
    Revenue 2025
    €30.8M
    +15%
    Net profit
    −€250.7K
    −159%
    Employees
    18
  21. 21.Aktsiaselts Kiviõli Soojus
    10245027, Kiviõli linn
    Revenue 2025
    €1.9M
    −4.2%
    Net profit
    −€3.1K
    −109%
    Employees
    15
  22. 22.aktsiaselts Dvigatel - Energeetika
    10257898, Lasnamäe linnaosa
    Revenue 2025
    €3.5M
    −38%
    Net profit
    €68.4K
    −96%
    Employees
    13
  23. 23.aktsiaselts Entek
    10029542, Keila linn
    Revenue 2025
    €2.6M
    −4%
    Net profit
    €9K
    −97%
    Employees
    13
  24. 24.Gren Viru AS
    10160791, Ahtme linnaosa
    Revenue 2025
    €16.3M
    −5%
    Net profit
    €1M
    −12%
    Employees
    12
  25. 25.Aktsiaselts Loo Elekter
    10017616, Loo alevik
    Revenue 2025
    €5.5M
    +11%
    Net profit
    €569.2K
    +619%
    Employees
    12
  26. 26.OÜ KOSE VESI
    10917886, Kose alevik
    Revenue 2025
    €1.8M
    +6.4%
    Net profit
    −€197.6K
    −113%
    Employees
    12
  27. 27.Aktsiaselts Kadrina Soojus
    10338177, Kadrina alevik
    Revenue 2025
    €1M
    −3.8%
    Net profit
    −€157K
    −1.3%
    Employees
    12
  28. 28.Aktsiaselts Haljala Soojus
    10247300, Haljala alevik
    Revenue 2025
    €691.2K
    −11%
    Net profit
    −€355.7K
    −19%
    Employees
    12
  29. 29.AS Järva Haldus
    10117967, Koeru alevik
    Revenue 2025
    €1.4M
    −4.1%
    Net profit
    €126.3K
    +185%
    Employees
    11
  30. 30.Osaühing AVANAIR
    10346745, Lasnamäe linnaosa
    Revenue 2025
    €1.2M
    −1.8%
    Net profit
    €2K
    −88%
    Employees
    11
  31. 31.Aktsiaselts MAARDU ELEKTER
    10055315, Maardu linn
    Revenue 2025
    €1.2M
    −2%
    Net profit
    −€74.3K
    −376%
    Employees
    11
  32. 32.Tamsalu Kalor AS
    10246506, Tamsalu linn
    Revenue 2025
    €821.7K
    −0.8%
    Net profit
    −€3.3K
    −103%
    Employees
    10
  33. 33.Osaühing Lihula Soojus
    10539467, Lihula linn
    Revenue 2025
    €491K
    +95%
    Net profit
    €9.6K
    −40%
    Employees
    10
  34. 34.Powergrid OÜ
    16423429, Järveküla
    Revenue 2025
    €945.9K
    −5.3%
    Net profit
    −€61.2K
    −126%
    Employees
    9
  35. 35.Aktsiaselts Põlva Soojus
    10244660, Põlva linn
    Revenue 2025
    €2.2M
    +1.7%
    Net profit
    €93.8K
    +334%
    Employees
    8
  36. 36.osaühing Elva Soojus
    10255847, Elva linn
    Revenue 2025
    €817.4K
    −7.2%
    Net profit
    −€33.7K
    +36%
    Employees
    8
  37. 37.OÜ Lääne-Nigula Haldus
    10447162, Taebla alevik
    Revenue 2025
    €480.2K
    −6.5%
    Net profit
    −€130.4K
    −3,161%
    Employees
    8
  38. 38.Osaühing Raivo Remont
    10313214, Jõesuu küla
    Revenue 2025
    €546K
    +13%
    Net profit
    €3.3K
    −77%
    Employees
    7
  39. 39.Osaühing Halinga Energeetika
    10105272, Loomse küla
    Revenue 2025
    €678.1K
    −6.4%
    Net profit
    −€8.9K
    +39%
    Employees
    6
  40. 40.Biometaan OÜ
    12511591, Kõo küla
    Revenue 2025
    €2.1M
    +82%
    Net profit
    €76.3K
    −83%
    Employees
    5
  41. 41.Nevel Eesti OÜ
    14866648, Metsaküla
    Revenue 2025
    €2M
    −5.9%
    Net profit
    −€285.2K
    −1.7%
    Employees
    5
  42. 42.OilTerm OÜ
    11673087, Karksi-Nuia linn
    Revenue 2025
    €1.3M
    −8%
    Net profit
    −€14.9K
    +36%
    Employees
    5
  43. 43.Osaühing Sagro Elekter
    10239535, Laagri alevik
    Revenue 2025
    €998.9K
    +16%
    Net profit
    €43.2K
    −60%
    Employees
    5
  44. 44.Tööstus Investeeringute AS
    10210997, Tartu linn
    Revenue 2025
    €887.1K
    −12%
    Net profit
    −€191.1K
    −1,675%
    Employees
    5
  45. 45.VOLTA ENERGEETIKA Osaühing
    10507680, Põhja-Tallinna linnaosa
    Revenue 2025
    €504.2K
    −34%
    Net profit
    €68.9K
    −73%
    Employees
    5
  46. 46.OÜ Elelevi
    14272593, Viljandi linn
    Revenue 2025
    €3.4M
    +25%
    Net profit
    −€115.3K
    +1.4%
    Employees
    4
  47. 47.Aravete Biogaas OÜ
    11464576, Aravete alevik
    Revenue 2025
    €3.1M
    −5%
    Net profit
    €506.8K
    −53%
    Employees
    4
  48. 48.ESTIKO Elekter OÜ
    14747292, Tartu linn
    Revenue 2025
    €2.5M
    −6.6%
    Net profit
    €124.5K
    +36%
    Employees
    4
  49. 49.Ohaka Energia OÜ
    14789735, Maardu linn
    Revenue 2025
    €1.9M
    −37%
    Net profit
    €1.1M
    −46%
    Employees
    4
  50. 50.Jägala Energy osaühing
    10480870, Jägala-Joa küla
    Revenue 2025
    €1.2M
    +34%
    Net profit
    −€574.6K
    −3,927%
    Employees
    4
  51. 51.aktsiaselts VARMATA
    10301820, Tartu linn
    Revenue 2025
    €1M
    +9.2%
    Net profit
    €108.8K
    +23%
    Employees
    4
  52. 52.TMV Green OÜ
    16162236, Haabersti linnaosa
    Revenue 2025
    €932.5K
    −59%
    Net profit
    €310.4K
    +208%
    Employees
    4
  53. 53.osaühing Põrguvälja Soojus
    10711682, Kesklinna linnaosa
    Revenue 2025
    €921.3K
    +7.1%
    Net profit
    −€93.2K
    +40%
    Employees
    4
  54. 54.Wooluvabrik OÜ
    14345725, Viimsi alevik
    Revenue 2025
    €636.6K
    +28%
    Net profit
    €411.5K
    +34%
    Employees
    4
  55. 55.OÜ Askoterm
    10220955, Vinni alevik
    Revenue 2025
    €456.2K
    −4.6%
    Net profit
    €1.5M
    +54%
    Employees
    4
  56. 56.OÜ Rõuge Kommunaalteenus
    10353308, Rõuge alevik
    Revenue 2025
    €381.1K
    +1.6%
    Net profit
    −€55.8K
    +38%
    Employees
    4
  57. 57.aktsiaselts Generaator
    10039457, Peri küla
    Revenue 2025
    €286.6K
    −1.5%
    Net profit
    €3K
    +169%
    Employees
    4
  58. 58.osaühing VAKS
    10171228, Vastseliina alevik
    Revenue 2025
    €269.3K
    −6.2%
    Net profit
    −€4.7K
    −156%
    Employees
    4
  59. 59.Bioforce Ebavere OÜ
    12007697, Ebavere küla
    Revenue 2025
    €5.2M
    +24%
    Net profit
    €801K
    +66%
    Employees
    3
  60. 60.Tartu Biogaas OÜ
    11561670, Kesklinna linnaosa
    Revenue 2025
    €4.1M
    −6.1%
    Net profit
    €552.4K
    −55%
    Employees
    3
  61. 61.OÜ Vinni Biogaas
    11512714, Kesklinna linnaosa
    Revenue 2025
    €3.9M
    −11%
    Net profit
    €1.9M
    −12%
    Employees
    3
  62. 62.OÜ Oisu Biogaas
    11515434, Kesklinna linnaosa
    Revenue 2025
    €3.9M
    −5.2%
    Net profit
    €595K
    −38%
    Employees
    3
  63. 63.Aktsiaselts Rakvere Soojus
    10177099, Rakvere linn
    Revenue 2025
    €3M
    −1.3%
    Net profit
    €172.1K
    −45%
    Employees
    3
  64. 64.Bioforce Laatre OÜ
    16728287, Haabersti linnaosa
    Revenue 2025
    €2.2M
    +8,851%
    Net profit
    €51.1K
    +125%
    Employees
    3
  65. 65.OÜ Viljandi Energiabaas
    11134413, Viljandi linn
    Revenue 2025
    €1.6M
    −17%
    Net profit
    €299.7K
    −50%
    Employees
    3
  66. 66.Five Wind Energy OÜ
    14011467, Nasva alevik
    Revenue 2025
    €1.5M
    +2.4%
    Net profit
    €523.6K
    +6.3%
    Employees
    3
  67. 67.Esmar Gaas OÜ
    12260924, Haabneeme alevik
    Revenue 2025
    €874.9K
    +4%
    Net profit
    −€214.8K
    −25%
    Employees
    3
  68. 68.aktsiaselts "KRISTENI KÜTUSED"
    10272099, Väimela alevik
    Revenue 2025
    €473.7K
    −9.1%
    Net profit
    €4.5K
    +106%
    Employees
    3
  69. 69.osaühing AVERSON
    10806075, Pärnu linn
    Revenue 2025
    €359.7K
    +48%
    Net profit
    −€49.8K
    +32%
    Employees
    3
  70. 70.Osaühing Järvakandi Soojus
    10078799, Järvakandi alev
    Revenue 2025
    €219.6K
    0%
    Net profit
    €854
    +129%
    Employees
    3
  71. 71.OÜ Andemar
    11888655, Väike-Kamari küla
    Revenue 2025
    €76K
    −29%
    Net profit
    −€30.2K
    −16%
    Employees
    3
  72. 72.osaühing Arctictal
    10029080, Nõmme linnaosa
    Revenue 2025
    €61.9K
    −30%
    Net profit
    €14K
    −48%
    Employees
    3
  73. 73.FUTURE GREEN POWER OÜ
    16963858, Valga linn
    Revenue 2025
    €32.5K
    −12%
    Net profit
    €75.8K
    +413%
    Employees
    3
  74. 74.OÜ Multimeediakeskus
    10839712, Kesklinna linnaosa
    Revenue 2025
    €7.6K
    −41%
    Net profit
    −€48K
    −247%
    Employees
    3
  75. 75.Imatra Elekter Aktsiaselts
    10224137, Haapsalu linn
    Revenue 2025
    €13.5M
    +1.9%
    Net profit
    €2.3M
    −33%
    Employees
    2
  76. 76.Sära Energia OÜ
    17066026, Kesklinna linnaosa
    Revenue 2025
    €2.2M
    —
    Net profit
    €1.6M
    —
    Employees
    2
  77. 77.OÜ RAADIMÕISA GAAS
    11046399, Tartu linn
    Revenue 2025
    €1.8M
    +10%
    Net profit
    €65.9K
    +23%
    Employees
    2
  78. 78.AS SKINEST ENERGIA
    11092488, Haabersti linnaosa
    Revenue 2025
    €1.2M
    −32%
    Net profit
    −€1.1M
    −179%
    Employees
    2
  79. 79.Osaühing VELKO AV
    10348690, Kehra linn
    Revenue 2025
    €1.1M
    −8.7%
    Net profit
    €19.3K
    −75%
    Employees
    2
  80. 80.OÜ Dvigatel Gaas
    11808461, Kristiine linnaosa
    Revenue 2025
    €482.8K
    −3%
    Net profit
    €18.2K
    +2,265%
    Employees
    2
  81. 81.Kamari Hüdro OÜ
    10271220, Umbusi küla
    Revenue 2025
    €220.5K
    +13%
    Net profit
    €352
    +103%
    Employees
    2
  82. 82.Vestman Solar OÜ
    14819212, Viljandi linn
    Revenue 2025
    €219.2K
    −40%
    Net profit
    −€543.3K
    −62%
    Employees
    2
  83. 83.Metsavahi Kinnisvara OÜ
    12578052, Kesklinna linnaosa
    Revenue 2025
    €217.1K
    +11%
    Net profit
    €27.6K
    −65%
    Employees
    2
  84. 84.FrostPro Eesti OÜ
    17162037, Peetri alevik
    Revenue 2025
    €167.6K
    —
    Net profit
    −€108.6K
    —
    Employees
    2
  85. 85.Airkon fresh OÜ
    12283061, Põhja-Tallinna linnaosa
    Revenue 2025
    €95.3K
    −1%
    Net profit
    €2.9K
    +41,786%
    Employees
    2
  86. 86.osaühing KENADRON
    10124996, Vara küla
    Revenue 2025
    €85.6K
    −6.9%
    Net profit
    −€4.2K
    +64%
    Employees
    2
  87. 87.OÜ Vahtsõnõ
    12648806, Saatse küla
    Revenue 2025
    €41.4K
    +5.5%
    Net profit
    €725
    +109%
    Employees
    2
  88. 88.Arantel Invest OÜ
    11331757, Pirita linnaosa
    Revenue 2025
    €24.5K
    −39%
    Net profit
    €22.4K
    +140%
    Employees
    2
  89. 89.Thermodomus OÜ
    12116127, Vanamõisa küla
    Revenue 2025
    €15.3K
    −42%
    Net profit
    −€67.4K
    −173%
    Employees
    2
  90. 90.Tooma Energia OÜ
    12158812, Kiduspe küla
    Revenue 2025
    €2.6K
    −65%
    Net profit
    −€39.4K
    +9.1%
    Employees
    2
  91. 91.Osaühing GG-Group
    10007180, Pärnu linn
    Revenue 2025
    €1.8K
    −90%
    Net profit
    €24.3K
    −4.9%
    Employees
    2
  92. 92.ERTENERGY OÜ
    12663496, Põhja-Tallinna linnaosa
    Revenue 2025
    €82.5M
    +62%
    Net profit
    €274.9K
    −35%
    Employees
    1
  93. 93.Nordic Power Management OÜ
    11504072, Pirita linnaosa
    Revenue 2025
    €7.7M
    −18%
    Net profit
    €260.6K
    −55%
    Employees
    1
  94. 94.Solar Light OÜ
    12489578, Haapsalu linn
    Revenue 2025
    €4.2M
    +8%
    Net profit
    €3.4M
    +2.5%
    Employees
    1
  95. 95.Kanepi Energia BESS OÜ
    17128916, Tartu linn
    Revenue 2025
    €3.9M
    —
    Net profit
    €2M
    —
    Employees
    1
  96. 96.GreenGas OÜ
    12510781, Kunda linn
    Revenue 2025
    €2.3M
    −45%
    Net profit
    €431.6K
    +3.2%
    Employees
    1
  97. 97.Scalar Energy OÜ
    16424433, Haabneeme alevik
    Revenue 2025
    €1.9M
    +736%
    Net profit
    €1M
    +355%
    Employees
    1
  98. 98.PSW Energy OÜ
    12407480, Kõrveküla alevik
    Revenue 2025
    €1.6M
    +508%
    Net profit
    €915.4K
    +980%
    Employees
    1
  99. 99.OX2 Estonia OÜ
    16740354, Kesklinna linnaosa
    Revenue 2025
    €584.5K
    +134%
    Net profit
    €12.2K
    −13%
    Employees
    1
  100. 100.OÜ Otepää Soojus
    17034523, Otepää linn
    Revenue 2025
    €562K
    +179%
    Net profit
    €45.9K
    +141%
    Employees
    1