| 1 | Alight AB | Stockholm | 1,423 tkr |
| 2 | Svensk Infrastruktur AB | Stockholm | 928 tkr |
| 3 | Siemens Aktiebolag | Stockholm | 801 tkr |
| 4 | Hitachi Rail STS Sweden AB | Stockholm | 796 tkr |
| 5 | P o B:s Elektriska Aktiebolag | Uppsala | 740 tkr |
| 6 | Assemblin Solar AB | Stockholm | 728 tkr |
| 7 | H&MV Engineering Sverige AB | Stockholm | 728 tkr |
| 8 | Eitech Special Projects AB | Stockholm | 703 tkr |
| 9 | ApQ EL Stockholm AB | Stockholm | 696 tkr |
| 10 | Järnvägselektrikerna i Mälardalen AB | Askersund | 683 tkr |
| 11 | Elektrosignal Infra Sthlm AB | Stockholm | 673 tkr |
| 12 | Svensk Fordonsladdning AB | Rättvik | 661 tkr |
| 13 | Boo Energi AB | Nacka | 660 tkr |
| 14 | Schindler Hiss AB | Danderyd | 653 tkr |
| 15 | Exengo Installationskonsult AB | Stockholm | 653 tkr |
| 16 | Nihlén Elmontage AB | Göteborg | 639 tkr |
| 17 | Signalbolaget i Sverige AB | Borlänge | 638 tkr |
| 18 | PLW Gruppen AB | Linköping | 637 tkr |
| 19 | Sector Alarm AB | Göteborg | 636 tkr |
| 20 | LUMA Energy AB | Uppsala | 632 tkr |
| 21 | GC gruppen AB | Landskrona | 631 tkr |
| 22 | Energiengagemang Sverige AB | Strängnäs | 631 tkr |
| 23 | Seths Fiber & Telekom AB | Mölndal | 626 tkr |
| 24 | One Nordic AB | Malmö | 623 tkr |
| 25 | ISG Nordic AB | Stockholm | 617 tkr |
| 26 | ATS Kraftservice Aktiebolag | Båstad | 607 tkr |
| 27 | Black Box Network Services AB | Stockholm | 604 tkr |
| 28 | Sandbäckens El och Ventilation i Stockholm AB | Linköping | 604 tkr |
| 29 | Eitech Electro AB | Örebro | 596 tkr |
| 30 | ONE Nordic PS AB | Malmö | 595 tkr |
| 31 | El-Otto i Kungälv Aktiebolag | Kungälv | 593 tkr |
| 32 | ELIA AB | Kalmar | 583 tkr |
| 33 | PMC Holding AB | Västerås | 582 tkr |
| 34 | Bogesunds El & Tele AB | Ulricehamn | 579 tkr |
| 35 | ENACO Network Services AB | Solna | 579 tkr |
| 36 | Vesam Uppsala AB | Uppsala | 574 tkr |
| 37 | Finlarm Aktiebolag | Sollentuna | 574 tkr |
| 38 | Actemium Electro AB | Stenungsund | 569 tkr |
| 39 | Trafiksystem Scandinavia AB | Göteborg | 569 tkr |
| 40 | Passéra AB | Jönköping | 569 tkr |
| 41 | Heras Sweden Technology AB | Malmö | 563 tkr |
| 42 | El Kraft Teknik & Konsult i Sala AB | Sala | 558 tkr |
| 43 | Alf Ericson i Göteborg Elektriska Aktiebolag | Göteborg | 557 tkr |
| 44 | EL FASTIGHETSSERVICE SYD AB | Burlöv | 557 tkr |
| 45 | Viametrics AB | Göteborg | 556 tkr |
| 46 | SP-Gruppen AB | Karlstad | 556 tkr |
| 47 | Nordic LEVEL Technology AB | Sundbyberg | 555 tkr |
| 48 | PMC El i Stockholm AB | Västerås | 555 tkr |
| 49 | ELAN EL & VVS AB | Ystad | 554 tkr |
| 50 | Nymans Elektriska Aktiebolag | Haninge | 553 tkr |