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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.Elektrum Eesti OÜ
    11399985, Mustamäe linnaosa
    Revenue 2025
    €125M
    +69%
    Net profit
    €1.6M
    +660%
    Employees
    38
  5. 5.Enefit Wind OÜ
    14665542, Kesklinna linnaosa
    Revenue 2025
    €87.8M
    +73%
    Net profit
    €7.1M
    −71%
    Employees
    0
  6. 6.ERTENERGY OÜ
    12663496, Põhja-Tallinna linnaosa
    Revenue 2025
    €82.5M
    +62%
    Net profit
    €274.9K
    −35%
    Employees
    1
  7. 7.Baltic Energy Partners OÜ
    11207916, Kesklinna linnaosa
    Revenue 2025
    €70.9M
    +35%
    Net profit
    €106.4K
    −54%
    Employees
    2
  8. 8.OÜ Utilitas Tallinna Elektrijaam
    10938397, Lasnamäe linnaosa
    Revenue 2025
    €65.1M
    +0.9%
    Net profit
    €23.7M
    −0.1%
    Employees
    38
  9. 9.Gren Tartu AS
    10641763, Tartu linn
    Revenue 2025
    €48.7M
    −5.8%
    Net profit
    €12.1M
    −12%
    Employees
    66
  10. 10.Alexela Energia Teenused AS
    14185894, Kesklinna linnaosa
    Revenue 2025
    €47.1M
    +19%
    Net profit
    €20.3K
    −85%
    Employees
    0
  11. 11.AS Gaasivõrk
    12503841, Kesklinna linnaosa
    Revenue 2025
    €37.3M
    −9.9%
    Net profit
    €1.8M
    −40%
    Employees
    36
  12. 12.Aktsiaselts NARVA SOOJUSVÕRK
    10549419, Narva linn
    Revenue 2025
    €30.8M
    +15%
    Net profit
    −€250.7K
    −159%
    Employees
    18
  13. 13.Gren Eesti AS
    12114252, Pärnu linn
    Revenue 2025
    €28.4M
    −17%
    Net profit
    −€10.3M
    −225%
    Employees
    71
  14. 14.Adven Eesti AS
    10066299, Mustamäe linnaosa
    Revenue 2025
    €24.8M
    −42%
    Net profit
    €113K
    −88%
    Employees
    88
  15. 15.AS Utilitas Eesti
    10419088, Kesklinna linnaosa
    Revenue 2025
    €16.8M
    +8.3%
    Net profit
    €1.3M
    +2,734%
    Employees
    65
  16. 16.OÜ GRAANUL ENERGIA
    11724770, Haabersti linnaosa
    Revenue 2025
    €16.7M
    +7.5%
    Net profit
    €38.9M
    +205,021%
    Employees
    0
  17. 17.Gren Viru AS
    10160791, Ahtme linnaosa
    Revenue 2025
    €16.3M
    −5%
    Net profit
    €1M
    −12%
    Employees
    12
  18. 18.Osula Energia OÜ
    12534988, Haabersti linnaosa
    Revenue 2025
    €14.6M
    +40%
    Net profit
    €811K
    −11%
    Employees
    0
  19. 19.Silpower Aktsiaselts
    10266472, Sillamäe linn
    Revenue 2025
    €14.6M
    +7.8%
    Net profit
    €2.1M
    +3,336%
    Employees
    103
  20. 20.Imavere Energia OÜ
    12086410, Haabersti linnaosa
    Revenue 2025
    €14.6M
    −12%
    Net profit
    −€32K
    −101%
    Employees
    0
  21. 21.Imatra Elekter Aktsiaselts
    10224137, Haapsalu linn
    Revenue 2025
    €13.5M
    +1.9%
    Net profit
    €2.3M
    −33%
    Employees
    2
  22. 22.ENERGIATURG OÜ
    12253383, Kesklinna linnaosa
    Revenue 2025
    €13.4M
    +3,470%
    Net profit
    €249.6K
    +6,345%
    Employees
    0
  23. 23.Tuulepealne Maa OÜ
    14218547, Kesklinna linnaosa
    Revenue 2025
    €9.6M
    +7%
    Net profit
    €214K
    +225%
    Employees
    0
  24. 24.Energiaturu Võrguehitus OÜ
    12737355, Mustamäe linnaosa
    Revenue 2025
    €9.4M
    −4%
    Net profit
    €610.7K
    −5.9%
    Employees
    0
  25. 25.Gren Viljandi AS
    10021049, Viljandi linn
    Revenue 2025
    €7.9M
    −6.1%
    Net profit
    €512.6K
    +30%
    Employees
    35
  26. 26.Nordic Power Management OÜ
    11504072, Pirita linnaosa
    Revenue 2025
    €7.7M
    −18%
    Net profit
    €260.6K
    −55%
    Employees
    1
  27. 27.OÜ Helme Energia
    11964913, Haabersti linnaosa
    Revenue 2025
    €6.5M
    −35%
    Net profit
    −€827K
    −130%
    Employees
    0
  28. 28.Aktsiaselts Kuressaare Soojus
    10105549, Kuressaare linn
    Revenue 2025
    €6M
    −1.2%
    Net profit
    €362.4K
    +566%
    Employees
    30
  29. 29.Danpower Eesti AS
    10351812, Võru linn
    Revenue 2025
    €5.9M
    −1.5%
    Net profit
    €1.1M
    +22%
    Employees
    44
  30. 30.Aktsiaselts Loo Elekter
    10017616, Loo alevik
    Revenue 2025
    €5.5M
    +11%
    Net profit
    €569.2K
    +619%
    Employees
    12
  31. 31.Bioforce Ebavere OÜ
    12007697, Ebavere küla
    Revenue 2025
    €5.2M
    +24%
    Net profit
    €801K
    +66%
    Employees
    3
  32. 32.Bioforce Aravete OÜ
    16180694, Haabersti linnaosa
    Revenue 2025
    €5.1M
    +12%
    Net profit
    €459.5K
    +132%
    Employees
    0
  33. 33.Solar Light OÜ
    12489578, Haapsalu linn
    Revenue 2025
    €4.2M
    +8%
    Net profit
    €3.4M
    +2.5%
    Employees
    1
  34. 34.Tartu Biogaas OÜ
    11561670, Kesklinna linnaosa
    Revenue 2025
    €4.1M
    −6.1%
    Net profit
    €552.4K
    −55%
    Employees
    3
  35. 35.OÜ Vinni Biogaas
    11512714, Kesklinna linnaosa
    Revenue 2025
    €3.9M
    −11%
    Net profit
    €1.9M
    −12%
    Employees
    3
  36. 36.Kanepi Energia BESS OÜ
    17128916, Tartu linn
    Revenue 2025
    €3.9M
    —
    Net profit
    €2M
    —
    Employees
    1
  37. 37.OÜ Oisu Biogaas
    11515434, Kesklinna linnaosa
    Revenue 2025
    €3.9M
    −5.2%
    Net profit
    €595K
    −38%
    Employees
    3
  38. 38.aktsiaselts Dvigatel - Energeetika
    10257898, Lasnamäe linnaosa
    Revenue 2025
    €3.5M
    −38%
    Net profit
    €68.4K
    −96%
    Employees
    13
  39. 39.OÜ Elelevi
    14272593, Viljandi linn
    Revenue 2025
    €3.4M
    +25%
    Net profit
    −€115.3K
    +1.4%
    Employees
    4
  40. 40.Aravete Biogaas OÜ
    11464576, Aravete alevik
    Revenue 2025
    €3.1M
    −5%
    Net profit
    €506.8K
    −53%
    Employees
    4
  41. 41.Enery Portfolio Optimization Estonia OÜ
    17115090, Põhja-Tallinna linnaosa
    Revenue 2025
    €3M
    —
    Net profit
    −€208.6K
    —
    Employees
    0
  42. 42.Aktsiaselts Rakvere Soojus
    10177099, Rakvere linn
    Revenue 2025
    €3M
    −1.3%
    Net profit
    €172.1K
    −45%
    Employees
    3
  43. 43.Metsapäike OÜ
    16493105, Põhja-Tallinna linnaosa
    Revenue 2025
    €3M
    +337%
    Net profit
    −€723.1K
    −84%
    Employees
    0
  44. 44.OÜ EKT Ecobio
    14943490, Kristiine linnaosa
    Revenue 2025
    €2.7M
    +27%
    Net profit
    −€395.6K
    −407%
    Employees
    0
  45. 45.aktsiaselts Entek
    10029542, Keila linn
    Revenue 2025
    €2.6M
    −4%
    Net profit
    €9K
    −97%
    Employees
    13
  46. 46.ESTIKO Elekter OÜ
    14747292, Tartu linn
    Revenue 2025
    €2.5M
    −6.6%
    Net profit
    €124.5K
    +36%
    Employees
    4
  47. 47.Rummu Päikesepark OÜ
    14833407, Põhja-Tallinna linnaosa
    Revenue 2025
    €2.4M
    +47%
    Net profit
    €356.7K
    −5%
    Employees
    0
  48. 48.GreenGas OÜ
    12510781, Kunda linn
    Revenue 2025
    €2.3M
    −45%
    Net profit
    €431.6K
    +3.2%
    Employees
    1
  49. 49.Osaühing OSK GRUPP
    10268560, Järve linnaosa
    Revenue 2025
    €2.2M
    +11%
    Net profit
    €85.5K
    +107%
    Employees
    29
  50. 50.Aktsiaselts Põlva Soojus
    10244660, Põlva linn
    Revenue 2025
    €2.2M
    +1.7%
    Net profit
    €93.8K
    +334%
    Employees
    8
  51. 51.Evecon Alaküla OÜ
    10816352, Kuressaare linn
    Revenue 2025
    €2.2M
    +847%
    Net profit
    −€1.7M
    −2,216%
    Employees
    0
  52. 52.Bioforce Laatre OÜ
    16728287, Haabersti linnaosa
    Revenue 2025
    €2.2M
    +8,851%
    Net profit
    €51.1K
    +125%
    Employees
    3
  53. 53.Sära Energia OÜ
    17066026, Kesklinna linnaosa
    Revenue 2025
    €2.2M
    —
    Net profit
    €1.6M
    —
    Employees
    2
  54. 54.Biometaan OÜ
    12511591, Kõo küla
    Revenue 2025
    €2.1M
    +82%
    Net profit
    €76.3K
    −83%
    Employees
    5
  55. 55.Nevel Eesti OÜ
    14866648, Metsaküla
    Revenue 2025
    €2M
    −5.9%
    Net profit
    −€285.2K
    −1.7%
    Employees
    5
  56. 56.Solar Light L OÜ
    16294216, Mustamäe linnaosa
    Revenue 2025
    €2M
    −2.2%
    Net profit
    €615.6K
    +1,128%
    Employees
    0
  57. 57.Scalar Energy OÜ
    16424433, Haabneeme alevik
    Revenue 2025
    €1.9M
    +736%
    Net profit
    €1M
    +355%
    Employees
    1
  58. 58.Aktsiaselts Kiviõli Soojus
    10245027, Kiviõli linn
    Revenue 2025
    €1.9M
    −4.2%
    Net profit
    −€3.1K
    −109%
    Employees
    15
  59. 59.Ohaka Energia OÜ
    14789735, Maardu linn
    Revenue 2025
    €1.9M
    −37%
    Net profit
    €1.1M
    −46%
    Employees
    4
  60. 60.OÜ KOSE VESI
    10917886, Kose alevik
    Revenue 2025
    €1.8M
    +6.4%
    Net profit
    −€197.6K
    −113%
    Employees
    12
  61. 61.OÜ RAADIMÕISA GAAS
    11046399, Tartu linn
    Revenue 2025
    €1.8M
    +10%
    Net profit
    €65.9K
    +23%
    Employees
    2
  62. 62.OÜ Viljandi Energiabaas
    11134413, Viljandi linn
    Revenue 2025
    €1.6M
    −17%
    Net profit
    €299.7K
    −50%
    Employees
    3
  63. 63.PSW Energy OÜ
    12407480, Kõrveküla alevik
    Revenue 2025
    €1.6M
    +508%
    Net profit
    €915.4K
    +980%
    Employees
    1
  64. 64.Terawatt Energy OÜ
    14599093, Haabneeme alevik
    Revenue 2025
    €1.5M
    −1.7%
    Net profit
    €591K
    −36%
    Employees
    —
  65. 65.Five Wind Energy OÜ
    14011467, Nasva alevik
    Revenue 2025
    €1.5M
    +2.4%
    Net profit
    €523.6K
    +6.3%
    Employees
    3
  66. 66.aktsiaselts REVEKOR
    10135942, Räpina linn
    Revenue 2025
    €1.4M
    +6.8%
    Net profit
    −€23.6K
    +63%
    Employees
    29
  67. 67.KC Solar3 OÜ
    16516817, Kesklinna linnaosa
    Revenue 2025
    €1.4M
    −35%
    Net profit
    −€158.5K
    −125%
    Employees
    0
  68. 68.Aktsiaselts Põhja-Sakala Haldus
    11351613, Suure-Jaani linn
    Revenue 2025
    €1.4M
    +1.2%
    Net profit
    −€173.6K
    +29%
    Employees
    22
  69. 69.Alutaguse Haldus Osaühing
    11001422, Mäetaguse alevik
    Revenue 2025
    €1.4M
    +2.2%
    Net profit
    −€331K
    +28%
    Employees
    24
  70. 70.AS Järva Haldus
    10117967, Koeru alevik
    Revenue 2025
    €1.4M
    −4.1%
    Net profit
    €126.3K
    +185%
    Employees
    11
  71. 71.Saare Biojaam OÜ
    16878992, Kõljala küla
    Revenue 2025
    €1.3M
    +1,765%
    Net profit
    −€2.4K
    −143%
    Employees
    0
  72. 72.OilTerm OÜ
    11673087, Karksi-Nuia linn
    Revenue 2025
    €1.3M
    −8%
    Net profit
    −€14.9K
    +36%
    Employees
    5
  73. 73.Kanepi Energia OÜ
    16513954, Tartu linn
    Revenue 2025
    €1.3M
    +4,103%
    Net profit
    €57.8K
    +255%
    Employees
    0
  74. 74.Evecon Solarparks OÜ
    14930240, Kuressaare linn
    Revenue 2025
    €1.3M
    −37%
    Net profit
    €1.6M
    −19%
    Employees
    0
  75. 75.Osaühing AVANAIR
    10346745, Lasnamäe linnaosa
    Revenue 2025
    €1.2M
    −1.8%
    Net profit
    €2K
    −88%
    Employees
    11
  76. 76.Jägala Energy osaühing
    10480870, Jägala-Joa küla
    Revenue 2025
    €1.2M
    +34%
    Net profit
    −€574.6K
    −3,927%
    Employees
    4
  77. 77.AS SKINEST ENERGIA
    11092488, Haabersti linnaosa
    Revenue 2025
    €1.2M
    −32%
    Net profit
    −€1.1M
    −179%
    Employees
    2
  78. 78.Aktsiaselts MAARDU ELEKTER
    10055315, Maardu linn
    Revenue 2025
    €1.2M
    −2%
    Net profit
    −€74.3K
    −376%
    Employees
    11
  79. 79.Enveko OÜ
    10320390, Laiuse alevik
    Revenue 2025
    €1.2M
    +164%
    Net profit
    −€140K
    −62%
    Employees
    24
  80. 80.Soldera OÜ
    16785003, Tartu linn
    Revenue 2025
    €1.1M
    +478%
    Net profit
    €153.1K
    +1,602%
    Employees
    0
  81. 81.Elektripäike OÜ
    14979619, Kesklinna linnaosa
    Revenue 2025
    €1.1M
    +45%
    Net profit
    €140.1K
    +222%
    Employees
    —
  82. 82.Osaühing VELKO AV
    10348690, Kehra linn
    Revenue 2025
    €1.1M
    −8.7%
    Net profit
    €19.3K
    −75%
    Employees
    2
  83. 83.Osaühing Joonax
    10872959, Kaberla küla
    Revenue 2025
    €1.1M
    +46%
    Net profit
    €138.3K
    +1,927%
    Employees
    0
  84. 84.aktsiaselts VARMATA
    10301820, Tartu linn
    Revenue 2025
    €1M
    +9.2%
    Net profit
    €108.8K
    +23%
    Employees
    4
  85. 85.Aktsiaselts Kadrina Soojus
    10338177, Kadrina alevik
    Revenue 2025
    €1M
    −3.8%
    Net profit
    −€157K
    −1.3%
    Employees
    12
  86. 86.Osaühing Sagro Elekter
    10239535, Laagri alevik
    Revenue 2025
    €998.9K
    +16%
    Net profit
    €43.2K
    −60%
    Employees
    5
  87. 87.Powergrid OÜ
    16423429, Järveküla
    Revenue 2025
    €945.9K
    −5.3%
    Net profit
    −€61.2K
    −126%
    Employees
    9
  88. 88.Congsolar OÜ
    16508114, Põhja-Tallinna linnaosa
    Revenue 2025
    €937.9K
    −8.6%
    Net profit
    €84.2K
    −65%
    Employees
    0
  89. 89.TMV Green OÜ
    16162236, Haabersti linnaosa
    Revenue 2025
    €932.5K
    −59%
    Net profit
    €310.4K
    +208%
    Employees
    4
  90. 90.osaühing Põrguvälja Soojus
    10711682, Kesklinna linnaosa
    Revenue 2025
    €921.3K
    +7.1%
    Net profit
    −€93.2K
    +40%
    Employees
    4
  91. 91.Tööstus Investeeringute AS
    10210997, Tartu linn
    Revenue 2025
    €887.1K
    −12%
    Net profit
    −€191.1K
    −1,675%
    Employees
    5
  92. 92.Esmar Gaas OÜ
    12260924, Haabneeme alevik
    Revenue 2025
    €874.9K
    +4%
    Net profit
    −€214.8K
    −25%
    Employees
    3
  93. 93.BaltInfra OÜ
    12985432, Kesklinna linnaosa
    Revenue 2025
    €873.2K
    −3%
    Net profit
    €84K
    −34%
    Employees
    0
  94. 94.Baltic Renewable Energy Platform OÜ
    16620012, Kuressaare linn
    Revenue 2025
    €867.9K
    —
    Net profit
    €8.8K
    +224%
    Employees
    —
  95. 95.Metsapäike 2 OÜ
    16679057, Põhja-Tallinna linnaosa
    Revenue 2025
    €853.8K
    +234%
    Net profit
    −€119.4K
    −54%
    Employees
    0
  96. 96.Tamsalu Kalor AS
    10246506, Tamsalu linn
    Revenue 2025
    €821.7K
    −0.8%
    Net profit
    −€3.3K
    −103%
    Employees
    10
  97. 97.osaühing Elva Soojus
    10255847, Elva linn
    Revenue 2025
    €817.4K
    −7.2%
    Net profit
    −€33.7K
    +36%
    Employees
    8
  98. 98.2M project OÜ
    16086297, Kesklinna linnaosa
    Revenue 2025
    €798.6K
    −11%
    Net profit
    €22.7K
    +118%
    Employees
    0
  99. 99.Evecon Solarparks 2 OÜ
    16103469, Kuressaare linn
    Revenue 2025
    €781.8K
    −41%
    Net profit
    −€629K
    −266%
    Employees
    0
  100. 100.Flexenergy OÜ
    16601859, Kesklinna linnaosa
    Revenue 2025
    €751.5K
    −6.8%
    Net profit
    −€14.8K
    −110%
    Employees
    0