| Kungliga Tekniska Högskolan - Skolan för elektrotekik och datavetenskap | Stockholm |
| Kura | |
| Kvalitetspartner | |
| Kvaser Europe AB | Västra Götaland |
| Kvix AB | |
| L3 Systems AB | Stockholm |
| Lab.gruppen AB | Halland |
| LaBelle Media AB | Västra Götaland |
| Lånbyte | |
| Lanlink Digital Broadcast | Stockholm |
| Larmia Control AB | Stockholm |
| Lassie AB | |
| Lavapotion AB | |
| Lavendla AB | |
| Lawicel AB | Skåne |
| Lawly AB | |
| Layke Analytics AB | |
| Leadcold Reactors | |
| Leadsson | |
| Learning to Sleep | |
| Learnster AB | |
| LeaseCloud | |
| LeaseCloud AB | |
| LecToGo AB | |
| Ledyer AB | |
| Leeroy | |
| Legimeet AB | |
| Legitify | |
| LEIA Health AB | |
| Lesslie | |
| Lesslie Technologies AB | |
| Levonline | Västmanland |
| Lexflix AB | |
| Lexicon AB | Stockholm |
| Lexly AB | |
| Lexplore | |
| Leyr | |
| LH Dataservice AB | Stockholm |
| Lidali AB | Stockholm |
| Lidds AB | |
| Lidén Data Affärssystem | Uppsala |
| Lifvs | |
| Limina AB | |
| Lindhe Xtend AB | |
| Lindholmen Science Park | Västra Götaland |
| Linga Energy | |
| Lingio AB | |
| Linköping Science Park AB | Östergötland |
| Linköping Universitet | Östergötland |
| Linköping University - Department of Computer and Information Science | Östergötland |