| Lenatek Konsult AB | Sigtuna | 0 tkr |
| Levster AB | Stocksund | 0 tkr |
| LG Markteknik AB | Norrtälje | 0 tkr |
| LIARV AB | Märsta | 0 tkr |
| Lidbrandts gård och entreprenad AB | Sollentuna | 0 tkr |
| Like Ike AB | Sigtuna | 0 tkr |
| Liklebtu AB | Bromma | 0 tkr |
| Little in Stockholm AB | Sigtuna | 0 tkr |
| LogiFrakt Sigtuna AB | Arlandastad | 0 tkr |
| Logistic 2 Landvetter AB | Norrköping | 0 tkr |
| Logistic 4 Landvetter AB | Norrköping | 0 tkr |
| Logistic Arlanda Holding AB | Norrköping | 0 tkr |
| Lotuskonsulten AB | Älvsjö | 0 tkr |
| Lucasa Ventures AB | Märsta | 0 tkr |
| Lundberg & Source Consulting AB | Sigtuna | 0 tkr |
| Lundgren Invest & Consulting AB | Rosersberg | 0 tkr |
| Luxus Bridge AB | Märsta | 0 tkr |
| LV Invest AB | Sigtuna | 0 tkr |
| LVS Holding Aktiebolag | Rosersberg | 0 tkr |
| Lyckebäck Consulting AB | Sigtuna | 0 tkr |
| Lyckogarnet AB | Sigtuna | 0 tkr |
| M2B Holding AB | Stockholm | 0 tkr |
| Mac Amåla Design AB | Märsta | 0 tkr |
| Macke Invest AB | Märsta | 0 tkr |
| Magic Stay AB | Järfälla | 0 tkr |
| Mälargårdar Holding AB | Märsta | 0 tkr |
| Maleon Fastigheter AB | Arlandastad | 0 tkr |
| Maleon Holding AB | Arlandastad | 0 tkr |
| Malum AB | Märsta | 0 tkr |
| Mannerfeldt's Mekaniska Verkstad AB | Rosersberg | 0 tkr |
| Mapinol Group AB | Arlandastad | 0 tkr |
| Maranelli AB | Mariestad | 0 tkr |
| Margaretahemmet Fastighetsförvaltning AB | Ekerö | 0 tkr |
| Marianne Norman Holding 1 AB | Sigtuna | 0 tkr |
| Maromar AB | Sigtuna | 0 tkr |
| Märsta Årike Fastighets AB | Norsborg | 0 tkr |
| Märsta Förenade Holding AB | Upplands Väsby | 0 tkr |
| Märsta Mur & Puts Aktiebolag | Uppsala | 0 tkr |
| Märsta Taxi S AB | Märsta | 0 tkr |
| M & B Holding i Sigtuna AB | Arlandastad | 0 tkr |
| MDDS Aktiebolag | Sigtuna | 0 tkr |
| Mean Reversion AB | Sollentuna | 0 tkr |
| Medicament Sweden AB | Rosersberg | 0 tkr |
| MEHDITATION AB | Täby | 0 tkr |
| Mekantik Holding AB | Märsta | 0 tkr |
| Melilla Holding 1 AB | Sigtuna | 0 tkr |
| Melilla Holding 2 AB | Märsta | 0 tkr |
| MELLAN BYGG AB | Arlandastad | 0 tkr |
| Merkaba Consulting AB | Sigtuna | 0 tkr |
| MH Unlimited AB | Märsta | 0 tkr |