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Highest revenue: Construction of utility projects

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

  1. 1.AS Connecto Infra
    10722319, Kristiine linnaosa
    Revenue 2025
    €119.4M
    −9.3%
    Net profit
    €18.3M
    +17%
    Employees
    153
  2. 2.LEONHARD WEISS OÜ
    12083348, Lasnamäe linnaosa
    Revenue 2025
    €118.6M
    −8.9%
    Net profit
    €6.1M
    −1.5%
    Employees
    450
  3. 3.Arrow ECS Baltic OÜ
    12141384, Kristiine linnaosa
    Revenue 2025
    €79.6M
    +37%
    Net profit
    €3.2M
    +16%
    Employees
    59
  4. 4.Enersense Aktsiaselts
    11445550, Lasnamäe linnaosa
    Revenue 2025
    €47.5M
    −19%
    Net profit
    €2.1M
    −52%
    Employees
    306
  5. 5.AS INF Ehitus
    11097051, Soodevahe küla
    Revenue 2025
    €39.7M
    −11%
    Net profit
    €373.3K
    −55%
    Employees
    125
  6. 6.aktsiaselts KE INFRA
    10191969, Tartu linn
    Revenue 2025
    €31.3M
    +9.8%
    Net profit
    €1.9M
    −7.3%
    Employees
    74
  7. 7.AS Connecto Eesti
    17100148, Kristiine linnaosa
    Revenue 2025
    €29.3M
    —
    Net profit
    €692K
    +2,768,100%
    Employees
    229
  8. 8.Watercom OÜ
    11944939, Põhja-Tallinna linnaosa
    Revenue 2025
    €20M
    +32%
    Net profit
    €1.6M
    +32%
    Employees
    76
  9. 9.Aktsiaselts Viimsi Keevitus
    10041320, Haabneeme alevik
    Revenue 2025
    €18.1M
    +8.3%
    Net profit
    €676.8K
    −70%
    Employees
    38
  10. 10.E-Service Aktsiaselts
    10360030, Nõmme linnaosa
    Revenue 2025
    €16.1M
    −2.1%
    Net profit
    €757.7K
    −26%
    Employees
    149
  11. 11.Aktsiaselts Elektritsentrum
    10166300, Nõmme linnaosa
    Revenue 2025
    €15.8M
    +29%
    Net profit
    €186.6K
    +28%
    Employees
    98
  12. 12.aktsiaselts Eleväli
    10274158, Viljandi linn
    Revenue 2025
    €15.1M
    +73%
    Net profit
    €1M
    +329%
    Employees
    38
  13. 13.Kagu Elekter OÜ
    11632588, Võru linn
    Revenue 2025
    €13.3M
    +31%
    Net profit
    €945.6K
    +43%
    Employees
    39
  14. 14.OÜ VH EHITUSTEENUSED
    11050202, Kivi-Vigala küla
    Revenue 2025
    €12.9M
    +59%
    Net profit
    €2M
    +81%
    Employees
    17
  15. 15.Energiapartner OÜ
    11511956, Kesklinna linnaosa
    Revenue 2025
    €12.3M
    −17%
    Net profit
    −€130.5K
    −180%
    Employees
    26
  16. 16.Aktsiaselts Terrat
    10095208, Tutermaa küla
    Revenue 2025
    €8.6M
    +5.6%
    Net profit
    €1.5M
    +210%
    Employees
    38
  17. 17.Schöttli Keskkonnatehnika Aktsiaselts
    10165908, Kristiine linnaosa
    Revenue 2025
    €8.4M
    +33%
    Net profit
    €2.9K
    −98%
    Employees
    19
  18. 18.MSM OÜ
    11372058, Haabersti linnaosa
    Revenue 2025
    €7.1M
    −6.6%
    Net profit
    €683.2K
    +33%
    Employees
    18
  19. 19.OÜ Pluvo Eesti
    14926238, Kristiine linnaosa
    Revenue 2025
    €7M
    +6.8%
    Net profit
    €629.4K
    −30%
    Employees
    40
  20. 20.Osaühing Megido
    11016317, Kesklinna linnaosa
    Revenue 2025
    €6.5M
    −13%
    Net profit
    €669.2K
    +43%
    Employees
    25
  21. 21.ProSystem OÜ
    10859120, Räpina linn
    Revenue 2025
    €6M
    +4%
    Net profit
    −€85.1K
    −131%
    Employees
    14
  22. 22.osaühing Enera
    10810378, Viljandi linn
    Revenue 2025
    €5.9M
    −69%
    Net profit
    €2.8M
    −37%
    Employees
    22
  23. 23.Elero Elekter OÜ
    11431789, Kiili alev
    Revenue 2025
    €5.8M
    +17%
    Net profit
    −€2.4K
    −109%
    Employees
    18
  24. 24.Eesti PäikeseVägi OÜ
    16320344, Jälgimäe küla
    Revenue 2025
    €5.8M
    +174%
    Net profit
    €414.7K
    +199%
    Employees
    9
  25. 25.AllSpark Infra OÜ
    16867037, Lasnamäe linnaosa
    Revenue 2025
    €5.1M
    +98%
    Net profit
    €180.7K
    +570%
    Employees
    0
  26. 26.Aktsiaselts Vensen
    10258343, Kesklinna linnaosa
    Revenue 2025
    €4.7M
    +34%
    Net profit
    −€76.4K
    −18%
    Employees
    19
  27. 27.EPCM Consulting OÜ
    12162434, Kiviõli linn
    Revenue 2025
    €4.3M
    −1.6%
    Net profit
    €876.5K
    +30%
    Employees
    14
  28. 28.Firstel Group OÜ
    11286293, Soinaste küla
    Revenue 2025
    €4.1M
    −4%
    Net profit
    €669.3K
    −30%
    Employees
    18
  29. 29.GridTech OÜ
    16900527, Valga linn
    Revenue 2025
    €3.9M
    +410%
    Net profit
    €257.2K
    +15%
    Employees
    5
  30. 30.Pipenet OÜ
    11378760, Märja alevik
    Revenue 2025
    €3.9M
    +39%
    Net profit
    €252.4K
    +303%
    Employees
    18
  31. 31.EST Networks OÜ
    11826631, Ülenurme alevik
    Revenue 2025
    €3.9M
    +1.8%
    Net profit
    €51.2K
    −73%
    Employees
    35
  32. 32.Balti Puurkaev OÜ
    11461448, Pärnu linn
    Revenue 2025
    €3.7M
    +7.5%
    Net profit
    €492.2K
    +126%
    Employees
    16
  33. 33.PÕDRA MAJA OSAÜHING
    10385751, Tartu linn
    Revenue 2025
    €3.5M
    +37%
    Net profit
    €520.1K
    +660%
    Employees
    20
  34. 34.OÜ SEIRO ELEKTER
    11378500, Ilmatsalu alevik
    Revenue 2025
    €3.4M
    +9.9%
    Net profit
    €19.9K
    +115%
    Employees
    17
  35. 35.SV Torutööd OÜ
    11132667, Sikassaare küla
    Revenue 2025
    €3.4M
    +51%
    Net profit
    €1.5M
    +54%
    Employees
    28
  36. 36.Elektrilabor OÜ
    12035481, Varudi küla
    Revenue 2025
    €3.3M
    +3.9%
    Net profit
    €6.8K
    +116%
    Employees
    11
  37. 37.Saveka Torutööd OÜ
    11697263, Haabersti linnaosa
    Revenue 2025
    €3M
    +49%
    Net profit
    −€204.1K
    −186%
    Employees
    11
  38. 38.Eesti Puurkaev OÜ
    12815492, Tanska küla
    Revenue 2025
    €2.8M
    +12%
    Net profit
    €291.7K
    −23%
    Employees
    12
  39. 39.Elpec Energy OÜ
    14480021, Haaslava küla
    Revenue 2025
    €2.8M
    +73%
    Net profit
    €1.3K
    −82%
    Employees
    13
  40. 40.Sunly Retail OÜ
    14790158, Põhja-Tallinna linnaosa
    Revenue 2025
    €2.8M
    +467%
    Net profit
    −€1.2M
    +7.2%
    Employees
    10
  41. 41.Caverion Power OÜ
    12830238, Lasnamäe linnaosa
    Revenue 2025
    €2.7M
    −1.9%
    Net profit
    €133K
    +14%
    Employees
    28
  42. 42.Elero OÜ
    10390054, Kesklinna linnaosa
    Revenue 2025
    €2.6M
    −41%
    Net profit
    −€558.8K
    −417%
    Employees
    16
  43. 43.osaühing Agio Ehitus
    10233248, Mustamäe linnaosa
    Revenue 2025
    €2.6M
    −1.2%
    Net profit
    €235.5K
    +156%
    Employees
    20
  44. 44.Nordig OÜ
    12383696, Haabersti linnaosa
    Revenue 2025
    €2.6M
    +26%
    Net profit
    €824.2K
    +55%
    Employees
    5
  45. 45.VK Ehitus OÜ
    10914273, Tartu linn
    Revenue 2025
    €2.6M
    +25%
    Net profit
    €94.6K
    +51%
    Employees
    10
  46. 46.ALTMER EHITUS OÜ
    14891416, Mustamäe linnaosa
    Revenue 2025
    €2.6M
    −23%
    Net profit
    €48.8K
    +41%
    Employees
    14
  47. 47.Suurupi Vesi Ehitus OÜ
    16242917, Nõmme linnaosa
    Revenue 2025
    €2.5M
    +72%
    Net profit
    €95.4K
    −22%
    Employees
    9
  48. 48.KESKKOND & PARTNERID OÜ
    11006388, Tartu linn
    Revenue 2025
    €2.5M
    −18%
    Net profit
    €63.3K
    −61%
    Employees
    11
  49. 49.Eesti ESM OÜ
    10176697, Narva linn
    Revenue 2025
    €2.5M
    +66%
    Net profit
    €102.9K
    +265%
    Employees
    18
  50. 50.Alant Ehitus OÜ
    11924693, Järve linnaosa
    Revenue 2025
    €2.4M
    −21%
    Net profit
    €295K
    +191%
    Employees
    22
  51. 51.Erlin OÜ
    12272502, Maardu linn
    Revenue 2025
    €2.4M
    −22%
    Net profit
    €60.3K
    +34%
    Employees
    4
  52. 52.osaühing BAUREXI
    10212016, Kiili alev
    Revenue 2025
    €2.4M
    −7.9%
    Net profit
    €101.3K
    −57%
    Employees
    11
  53. 53.Diotech Electric OÜ
    14229976, Tartu linn
    Revenue 2025
    €2.2M
    −20%
    Net profit
    −€106.6K
    −319%
    Employees
    12
  54. 54.Saare Elektroservis OÜ
    11919611, Kõrkküla
    Revenue 2025
    €2.2M
    +14%
    Net profit
    €25.6K
    +2.8%
    Employees
    18
  55. 55.INSER OÜ
    12731996, Otepää linn
    Revenue 2025
    €2.1M
    +105%
    Net profit
    €65.5K
    −34%
    Employees
    2
  56. 56.Osaühing Mergonet
    11191397, Kesklinna linnaosa
    Revenue 2025
    €2.1M
    −17%
    Net profit
    €38.2K
    +108%
    Employees
    1
  57. 57.Tehnovõrkude Ehituse OÜ
    10407719, Haabersti linnaosa
    Revenue 2025
    €2.1M
    +0.1%
    Net profit
    €926.8K
    +1,607%
    Employees
    10
  58. 58.PK Infra OÜ
    11490272, Kesklinna linnaosa
    Revenue 2025
    €2.1M
    +90%
    Net profit
    €32.5K
    +18%
    Employees
    5
  59. 59.ROKE TEENUSED OÜ
    12539715, Sirvaste küla
    Revenue 2025
    €2M
    +54%
    Net profit
    €353.4K
    +144%
    Employees
    11
  60. 60.MTR Halduse OÜ
    12249549, Nõmme linnaosa
    Revenue 2025
    €2M
    +18%
    Net profit
    €117.9K
    −51%
    Employees
    18
  61. 61.Esterna Elekter OÜ
    16263813, Kesklinna linnaosa
    Revenue 2025
    €2M
    −58%
    Net profit
    −€93.3K
    −87%
    Employees
    17
  62. 62.AndIgo Eesti OÜ
    14064601, Papiaru küla
    Revenue 2025
    €1.9M
    +116%
    Net profit
    €1.4M
    +170%
    Employees
    4
  63. 63.Osaühing Fooneks
    10899177, Papsaare küla
    Revenue 2025
    €1.9M
    −29%
    Net profit
    €77.1K
    −49%
    Employees
    8
  64. 64.Nord Solar Business OÜ
    11213182, Tartu linn
    Revenue 2025
    €1.8M
    —
    Net profit
    €74K
    —
    Employees
    2
  65. 65.Osaühing IgorExa
    11436019, Rakvere linn
    Revenue 2025
    €1.8M
    +142%
    Net profit
    €156.3K
    +219%
    Employees
    5
  66. 66.Osaühing SÄRTS
    10662498, Tapa linn
    Revenue 2025
    €1.8M
    +25%
    Net profit
    €10K
    +25%
    Employees
    11
  67. 67.MS Engineering Group OÜ
    14997793, Suurupi küla
    Revenue 2025
    €1.7M
    +25%
    Net profit
    €157.5K
    +21%
    Employees
    9
  68. 68.Osaühing HENSEL GRUPP
    10577717, Rannamõisa küla
    Revenue 2025
    €1.7M
    +132%
    Net profit
    €66.9K
    −9.2%
    Employees
    4
  69. 69.Vestas Estonia OÜ
    16522545, Kesklinna linnaosa
    Revenue 2025
    €1.7M
    −95%
    Net profit
    €376.1K
    −45%
    Employees
    8
  70. 70.osaühing MARDISOO
    11072706, Liivi küla
    Revenue 2025
    €1.7M
    +26%
    Net profit
    €31.3K
    +542%
    Employees
    8
  71. 71.ESlightningbolt OÜ
    16652673, Viljandi linn
    Revenue 2025
    €1.7M
    +13%
    Net profit
    €125.8K
    +1,255%
    Employees
    9
  72. 72.OÜ Pipe Standart
    11887058, Tõrvandi alevik
    Revenue 2025
    €1.7M
    +6%
    Net profit
    €226.4K
    +52%
    Employees
    12
  73. 73.Võrgutehnikud OÜ
    14449100, Jõgeva linn
    Revenue 2025
    €1.6M
    +61%
    Net profit
    €301.9K
    +424%
    Employees
    9
  74. 74.osaühing Edmest EDM
    11230051, Valga linn
    Revenue 2025
    €1.6M
    +33%
    Net profit
    €142.6K
    +182%
    Employees
    10
  75. 75.REMPFAST OÜ
    12364859, Haabersti linnaosa
    Revenue 2025
    €1.6M
    −32%
    Net profit
    €93.9K
    −57%
    Employees
    14
  76. 76.Frendit Infra OÜ
    14169961, Tõrvandi alevik
    Revenue 2025
    €1.6M
    +10%
    Net profit
    €6.7K
    −78%
    Employees
    10
  77. 77.Cinet Grupp OÜ
    16414659, Ulvi küla
    Revenue 2025
    €1.6M
    +13%
    Net profit
    €56K
    +104%
    Employees
    16
  78. 78.Lansec Energia OÜ
    16382966, Peetri alevik
    Revenue 2025
    €1.6M
    +24%
    Net profit
    €109.3K
    +325%
    Employees
    7
  79. 79.RB Haldus OÜ
    14074829, Ilmandu küla
    Revenue 2025
    €1.5M
    −23%
    Net profit
    −€130.9K
    −341%
    Employees
    2
  80. 80.Taristu Grupp OÜ
    14655638, Antsla linn
    Revenue 2025
    €1.5M
    −6.7%
    Net profit
    €74.7K
    +265%
    Employees
    13
  81. 81.OÜ Puurvesi
    11463223, Uulu küla
    Revenue 2025
    €1.5M
    +42%
    Net profit
    −€49.3K
    +71%
    Employees
    12
  82. 82.Netic OÜ
    14816194, Tartu linn
    Revenue 2025
    €1.5M
    +16%
    Net profit
    €27.6K
    +479%
    Employees
    12
  83. 83.Helmot-E OÜ
    11788474, Metsakasti küla
    Revenue 2025
    €1.5M
    −22%
    Net profit
    −€128.4K
    −231%
    Employees
    12
  84. 84.Initex Grupp OÜ
    14652172, Varangu küla
    Revenue 2025
    €1.4M
    +43%
    Net profit
    €171K
    +84%
    Employees
    4
  85. 85.Koigre OÜ
    12038947, Eametsa küla
    Revenue 2025
    €1.4M
    +95%
    Net profit
    €122.5K
    +271%
    Employees
    10
  86. 86.Eurowind Energy OÜ
    16584180, Kesklinna linnaosa
    Revenue 2025
    €1.4M
    +56%
    Net profit
    €318.9K
    +30,071%
    Employees
    6
  87. 87.Kivipoeg OÜ
    11925592, Pärinurme küla
    Revenue 2025
    €1.4M
    +68%
    Net profit
    €192.5K
    +2,113%
    Employees
    3
  88. 88.OÜ Vamos Automaatika
    14048275, Õssu küla
    Revenue 2025
    €1.4M
    −6.2%
    Net profit
    €28.1K
    −53%
    Employees
    11
  89. 89.Prokon Projekt OÜ
    12317788, Haabersti linnaosa
    Revenue 2025
    €1.4M
    −9.8%
    Net profit
    €22.8K
    −78%
    Employees
    2
  90. 90.osaühing Pental Elekter
    11077804, Räni alevik
    Revenue 2025
    €1.4M
    −51%
    Net profit
    €42.9K
    +157%
    Employees
    5
  91. 91.Osaühing MIHKEL X
    10087002, Kalme küla
    Revenue 2025
    €1.4M
    −3.9%
    Net profit
    €1.9K
    +57%
    Employees
    12
  92. 92.OÜ Nordelect
    10079882, Kristiine linnaosa
    Revenue 2025
    €1.4M
    +1.1%
    Net profit
    €69.1K
    +130%
    Employees
    1
  93. 93.INSTWORK OÜ
    12872343, Rae küla
    Revenue 2025
    €1.3M
    +35%
    Net profit
    €176.5K
    +215%
    Employees
    8
  94. 94.Septicum OÜ
    14226044, Pikknurme küla
    Revenue 2025
    €1.3M
    −6.4%
    Net profit
    €129K
    +2,040%
    Employees
    5
  95. 95.EP FORCE OÜ
    17174721, Haabersti linnaosa
    Revenue 2025
    €1.3M
    —
    Net profit
    €116.7K
    —
    Employees
    10
  96. 96.osaühing Petro-Elekter
    10464930, Maardu linn
    Revenue 2025
    €1.3M
    +8.7%
    Net profit
    €5.3K
    −6.3%
    Employees
    8
  97. 97.Proinfra Ehitus OÜ
    12969189, Alu alevik
    Revenue 2025
    €1.3M
    +137%
    Net profit
    €25.7K
    −79%
    Employees
    10
  98. 98.OÜ Toome Elekter
    12525570, Tõrvandi alevik
    Revenue 2025
    €1.3M
    +23%
    Net profit
    €15.1K
    +88%
    Employees
    13
  99. 99.Solaring OÜ
    12130920, Tabasalu alevik
    Revenue 2025
    €1.2M
    +917%
    Net profit
    €136.3K
    +823%
    Employees
    0
  100. 100.OÜ Clougrupp
    11463236, Pärnu linn
    Revenue 2025
    €1.2M
    −2.4%
    Net profit
    €13.9K
    +383%
    Employees
    11