| Jordeliv AB | Vallentuna | 0 tkr |
| JR Rydell Holding AB | Vallentuna | 0 tkr |
| JSFF Hamberg AB | Vallentuna | 0 tkr |
| JSKS Solutions AB | Vallentuna | 0 tkr |
| JTL Nordic AB | Täby | 0 tkr |
| JW Islandshästar AB | Brottby | 0 tkr |
| KaAi Capital AB | Vallentuna | 0 tkr |
| Kaffebönan i Uthamra AB | Vallentuna | 0 tkr |
| Kajsas Café & Catering AB | Vallentuna | 0 tkr |
| KALFE HOLDING AB | Vallentuna | 0 tkr |
| Källboda Holding AB | Brottby | 0 tkr |
| KA MODERBOLAG I SOLLENTUNA AB | Vallentuna | 0 tkr |
| Karbion AB | Vallentuna | 0 tkr |
| Karby Bygg AB | Brottby | 0 tkr |
| Karl & Rut Holding AB | Vallentuna | 0 tkr |
| Kavireko AB | Brottby | 0 tkr |
| Kevin Ericsson Invest AB | Vallentuna | 0 tkr |
| KFF Invest AB | Vallentuna | 0 tkr |
| KFS i Mälardalen Holding AB | Brottby | 0 tkr |
| K.G.M. Konsult AB | Falun | 0 tkr |
| KH -bygger stockholm AB | Vallentuna | 0 tkr |
| Kimdoc AB | Norrtälje | 0 tkr |
| KIPN Holding AB | Vallentuna | 0 tkr |
| Kissaki AB | Vallentuna | 0 tkr |
| Klasmark Arkitekter AB | Vallentuna | 0 tkr |
| Klyrion AB | Vallentuna | 0 tkr |
| Kokkens Invest 2 AB | Vallentuna | 0 tkr |
| Kölborg Invest AB | Vallentuna | 0 tkr |
| Konsultaktiebolaget Helena Svensson | Stockholm | 0 tkr |
| Kv Almen Förvaltning AB | Kalmar | 0 tkr |
| Kycklingmannen Holding AB | Brottby | 0 tkr |
| Kytion AB | Mariannelund | 0 tkr |
| L2 Estate AB | Vallentuna | 0 tkr |
| Langsved Konsult AB | Täby | 0 tkr |
| Lars Eriksson Förvaltning AB | Vallentuna | 0 tkr |
| Lars Lindroth Holding AB | Vallentuna | 0 tkr |
| L. Bylund Holding 2 AB | Vallentuna | 0 tkr |
| LC Andersson Holding AB | Vallentuna | 0 tkr |
| Leeinc AB | Vallentuna | 0 tkr |
| Leia Ericsson Invest AB | Vallentuna | 0 tkr |
| Lerhyddan AB | Sollentuna | 0 tkr |
| LEVA Ledarskap AB | Vallentuna | 0 tkr |
| Lidén Civil AB | Vallentuna | 0 tkr |
| Lidén Holding AB | Vallentuna | 0 tkr |
| Liedé AB | Vallentuna | 0 tkr |
| LIEL Invest AB | Stockholm | 0 tkr |
| Lillåsta förvaltning AB | Vallentuna | 0 tkr |
| LimaJoli AB | Vallentuna | 0 tkr |
| Linda Lillieström förvaltning AB | Bergshamra | 0 tkr |
| Lindas lyft och transport AB | Brottby | 0 tkr |