| 1 | Rejlers Sverige AB | Stockholm | 1,375 st |
| 2 | Alten Sverige Aktiebolag | Göteborg | 1,194 st |
| 3 | SYSTRA AB | Göteborg | 302 st |
| 4 | Winthrop Technologies Sweden AB | Stockholm | 169 st |
| 5 | Eitech Engineering AB | Umeå | 152 st |
| 6 | Rote Consulting AB | Stockholm | 121 st |
| 7 | Envac Sweden Aktiebolag | Göteborg | 103 st |
| 8 | Teenage Engineering AB | Stockholm | 90 st |
| 9 | Swarco Sverige AB | Stockholm | 81 st |
| 10 | ELE Engineering AB | Västerås | 74 st |
| 11 | Frontgrade Gaisler AB | Göteborg | 63 st |
| 12 | CR Electric Fiber & Kabelteknik AB | Simrishamn | 59 st |
| 13 | Ovinge Ingenjörsbyrå AB | Örnsköldsvik | 52 st |
| 13 | NOVO Energy R&D AB | Göteborg | 52 st |
| 15 | Acconeer AB | Malmö | 50 st |
| 16 | EG Software Sweden AB | Solna | 48 st |
| 17 | P Maskin Automation AB | Kristianstad | 47 st |
| 17 | Maven Wireless Sweden AB | Stockholm | 47 st |
| 19 | Bertin Exensor AB | Lund | 45 st |
| 20 | B&R Industrial Automation AB | Malmö | 43 st |
| 21 | Electro-Engineering i Stockholm Aktiebolag | Stockholm | 40 st |
| 21 | Dalelven Produktutveckling AB | Borlänge | 40 st |
| 21 | MyVi Digital Projekthantering AB | Borlänge | 40 st |
| 24 | STECH, Skandinaviska Tech AB | Stenungsund | 38 st |
| 25 | EMC Services Elmiljöteknik Aktiebolag | Mölndal | 36 st |
| 25 | Nordic Semiconductor Sweden AB | Stockholm | 36 st |
| 25 | Axians Engineering AB | Kungsbacka | 36 st |
| 25 | Suir Engineering Sweden AB | Göteborg | 36 st |
| 29 | Legrand AB | Lund | 35 st |
| 30 | NXP Semiconductors Nordic AB | Stockholm | 34 st |
| 31 | Structor Installationsteknik AB | Stockholm | 33 st |
| 31 | ABAX Sweden AB | Västerås | 33 st |
| 33 | Motion Control i Västerås Aktiebolag | Västerås | 31 st |
| 34 | Shortlink AB | Säffle | 30 st |
| 34 | K3-Elprojektering Aktiebolag | Göteborg | 30 st |
| 34 | Edgeware AB | Stockholm | 30 st |
| 34 | L5 Navigation Systems AB | Luleå | 30 st |
| 38 | Vertiv Sweden AB | Stockholm | 29 st |
| 38 | ELB KRAFT AB | Växjö | 29 st |
| 40 | Aktiebolaget Cervitrol | Lund | 28 st |
| 41 | Elektrotekniska Byrån i Sverige AB | Karlstad | 27 st |
| 41 | Teledyne Signal Processing Devices Sweden AB | Linköping | 27 st |
| 41 | Cicor Nordic Engineering AB | Norrtälje | 27 st |
| 41 | Arduino AB | Malmö | 27 st |
| 45 | Sigma Industry Power and Energy AB | Lund | 26 st |
| 46 | Mats Strömberg Ingenjörsbyrå Aktiebolag | Stockholm | 25 st |
| 46 | SiNIX Electro AB | Göteborg | 25 st |
| 48 | XCOM Technologies AB | Göteborg | 24 st |
| 48 | CableQuick Global Infra AB | Malmö | 24 st |
| 48 | Smarta hem och elinstallationer Varberg AB | Varberg | 24 st |