| 1 | Soltech Energy Sweden AB (publ) | Stockholm | 1,510 tkr |
| 2 | Helios Nordic Energy AB | Stockholm | 984 tkr |
| 3 | Scandinavian Enviro Systems AB | Göteborg | 840 tkr |
| 4 | Eneas Services AB | Göteborg | 817 tkr |
| 5 | Power Factors AB | Göteborg | 784 tkr |
| 6 | Götaverken Miljö AB | Göteborg | 766 tkr |
| 7 | Solkompaniet Park EPC AB | Stockholm | 745 tkr |
| 8 | BK Tech Energy AB | Högsby | 742 tkr |
| 9 | Alstra Energy AB | Stockholm | 716 tkr |
| 10 | AFRY Management Consulting AB | Stockholm | 716 tkr |
| 11 | Incoord InstallationsCoordinator Aktiebolag | Danderyd | 688 tkr |
| 12 | Petro Bio AB | Göteborg | 684 tkr |
| 13 | Svensk Linjebesiktning AB | Stockholm | 681 tkr |
| 14 | RIBA Aktiebolag | Stockholm | 673 tkr |
| 15 | Aenigma AB | Stockholm | 665 tkr |
| 16 | CIT Renergy AB | Göteborg | 662 tkr |
| 17 | Hifab DU Teknik AB | Stockholm | 650 tkr |
| 18 | Bengt Dahlgren Göteborg AB | Mölndal | 643 tkr |
| 19 | Bengt Dahlgren Syd AB | Malmö | 641 tkr |
| 20 | P2 Energi AB | Stockholm | 639 tkr |
| 21 | Radscan Industrikonsult AB | Västerås | 638 tkr |
| 22 | One Nordic Konsult AB | Malmö | 636 tkr |
| 23 | FVB Sverige AB | Västerås | 632 tkr |
| 24 | Ecogain Aktiebolag | Umeå | 623 tkr |
| 25 | Kiona Sweden AB | Stockholm | 622 tkr |
| 26 | Jernforsen Energy AB | Halmstad | 602 tkr |
| 27 | AirSon Engineering AB | Ängelholm | 602 tkr |
| 28 | OAKS AB | Borås | 599 tkr |
| 29 | Bengt Dahlgren Stockholm Aktiebolag | Stockholm | 599 tkr |
| 30 | NEKTAB, Nordisk Elkraftteknik AB | Arvika | 597 tkr |
| 31 | Nuvia NORDIC AB | Norrköping | 592 tkr |
| 32 | P O Andersson Konstruktionsbyrå Aktiebolag | Solna | 584 tkr |
| 33 | SundaHus i Linköping Aktiebolag | Linköping | 584 tkr |
| 34 | South Pole Sweden AB | Stockholm | 576 tkr |
| 35 | Sala-Heby Energi Elnät Service AB | Sala | 573 tkr |
| 36 | Bengt Dahlgren Skövde AB | Skövde | 570 tkr |
| 37 | INTEC Dalarna AB | Borlänge | 565 tkr |
| 38 | Bengt Dahlgren Östergötland AB | Linköping | 565 tkr |
| 39 | Soltech Energy Solutions 1988 AB | Jönköping | 562 tkr |
| 40 | Ferla Energy AB | Stockholm | 559 tkr |
| 41 | INTEC Mitt AB | Örebro | 555 tkr |
| 42 | Pure Water Scandinavia AB | Falun | 553 tkr |
| 43 | Chemwise AB | Skellefteå | 548 tkr |
| 44 | Calluna AB | Linköping | 537 tkr |
| 45 | Alova Styrteknik AB | Stockholm | 535 tkr |
| 46 | GOSOL ENERGI AB | Stockholm | 519 tkr |
| 47 | Bengt Dahlgren Stockholm Geo AB | Nacka | 511 tkr |
| 48 | Indoor Energy Control Sweden AB | Solna | 508 tkr |
| 49 | Systeminstallation i Varberg AB | Varberg | 506 tkr |
| 50 | KTC Control AB | Göteborg | 500 tkr |