| 1 | Instair Stockholm AB | Stockholm | 19,151 tkr |
| 2 | Breffni Air Sweden AB | Kävlinge | 18,065 tkr |
| 3 | HH:s Ventilation AB | Huddinge | 12,532 tkr |
| 4 | Adero AB | Stockholm | 10,692 tkr |
| 5 | Clarity Ventilation AB | Sundbyberg | 10,115 tkr |
| 6 | Trident BMC AB | Göteborg | 8,730 tkr |
| 7 | VRA VVS Installationer AB | Stockholm | 8,531 tkr |
| 8 | Sandbäckens Brandskydd AB | Linköping | 8,023 tkr |
| 9 | Ventilationsprojekt i Eskilstuna AB | Eskilstuna | 7,162 tkr |
| 10 | Brion Ventilation AB | Kungsbacka | 7,106 tkr |
| 11 | AIM Projektpartner AB | Stockholm | 7,097 tkr |
| 12 | Klimatentreprenad Värmland AB | Karlstad | 6,827 tkr |
| 13 | Bankeryds Plåt & Vent Aktiebolag | Jönköping | 6,563 tkr |
| 14 | Brion Ventilation Skaraborg AB | Mölndal | 5,978 tkr |
| 15 | Fläkt Marine AB | Göteborg | 5,828 tkr |
| 16 | Ventilationsentreprenader i Skaraborg Aktiebolag | Töreboda | 5,716 tkr |
| 17 | Ljungby Ventilation Aktiebolag | Ljungby | 5,628 tkr |
| 18 | Tofta Plåt & Ventilation Aktiebolag | Lidköping | 5,484 tkr |
| 19 | Qvalitetsventilation mellansverige AB | Gävle | 5,440 tkr |
| 20 | Ventilation Entreprenad Aktiebolag V E A B | Malmö | 5,298 tkr |
| 21 | Industriaktiebolaget Ventilator | Stockholm | 5,238 tkr |
| 22 | VENT projekt Stockholm AB | Stockholm | 5,214 tkr |
| 23 | Öresundteknik Ventilation AB | Helsingborg | 5,145 tkr |
| 24 | LP Vent AB | Ulricehamn | 5,007 tkr |
| 25 | Windefalk Ventilation & Energi AB | Solna | 5,003 tkr |
| 26 | KiWi i Väst AB | Göteborg | 4,904 tkr |
| 27 | Invent Projekt Sthlm AB | Stockholm | 4,875 tkr |
| 28 | JFK Jonas Folkesson Klimatservice AB | Kristianstad | 4,871 tkr |
| 29 | Hallerdts Ventilation AB | Tyresö | 4,761 tkr |
| 30 | PSE i Stockholm AB | Haninge | 4,673 tkr |
| 31 | COVE i Göteborg Aktiebolag | Göteborg | 4,558 tkr |
| 32 | Piscator Ventilation AB | Örebro | 4,496 tkr |
| 33 | Rödje Ventilation AB | Sala | 4,461 tkr |
| 34 | Ventab i Göteborg AB | Mölndal | 4,439 tkr |
| 35 | Novum Installation AB | Malmö | 4,431 tkr |
| 36 | Fyrvent Aktiebolag | Göteborg | 4,386 tkr |
| 37 | VentPartner i Närke AB | Örebro | 4,257 tkr |
| 38 | J. Lindström Ventservice AB | Stockholm | 4,239 tkr |
| 39 | Klimatvård Johnny Mattsson AB | Eskilstuna | 4,229 tkr |
| 40 | Linervent AB | Ekerö | 4,214 tkr |
| 41 | FF Ventilation AB | Tyresö | 4,043 tkr |
| 42 | JAR Luftvård Aktiebolag | Eskilstuna | 4,038 tkr |
| 43 | Tveta Ventilation AB | Södertälje | 3,948 tkr |
| 44 | Ventilationseffekt i Väst AB | Göteborg | 3,869 tkr |
| 45 | GW Ventilation AB | Varberg | 3,866 tkr |
| 46 | HMP Vent. & Allservice AB | Gävle | 3,854 tkr |
| 47 | KiWi i Halland VENT AB | Göteborg | 3,833 tkr |
| 48 | VBBA i Karlshamn AB | Karlshamn | 3,779 tkr |
| 49 | D+H Sverige AB | Mölndal | 3,776 tkr |
| 50 | Luftfördelarna i Skåne Aktiebolag | Svedala | 3,773 tkr |