| Lindberg&Bergman AB | Sundsvall | 0 tkr |
| Lindenwood AB | Sundsvall | 0 tkr |
| Lindgren & Lindström Holding AB | Alnö | 0 tkr |
| Lindh Invest AB | Njurunda | 0 tkr |
| Lindqvist Wegelius AB | Sundsvall | 0 tkr |
| Lindsjön Holding AB | Matfors | 0 tkr |
| Lindstrand Executive AB | Sundsvall | 0 tkr |
| Linmyr Förvaltning AB | Sundsvall | 0 tkr |
| Linn Nyström Förvaltning AB | Sundsvall | 0 tkr |
| Linus Olsson Holding AB | Kvissleby | 0 tkr |
| Livoda Holding AB | Ankarsvik | 0 tkr |
| Livskompaniet AB | Sundsvall | 0 tkr |
| LiWet Produktion AB | Sundsvall | 0 tkr |
| Ljusta 3:7 AB | Sundsvall | 0 tkr |
| LL Projektstyrning i Sundsvall AB | Kvissleby | 0 tkr |
| LM Jensen AB | Nynäshamn | 0 tkr |
| LMS Sundsvall AB | Sundsvall | 0 tkr |
| LNO Holding AB | Sundsvall | 0 tkr |
| LO i ALNÖ Invest AB | Alnö | 0 tkr |
| Loning Maskinteknik AB | Indal | 0 tkr |
| Loo Invest AB | Liden | 0 tkr |
| Loulion AB | Sundsvall | 0 tkr |
| Lovekills AB | Huskvarna | 0 tkr |
| Lp Fastigheter Holding AB | Sundsvall | 0 tkr |
| Lubban Holding AB | Njurunda | 0 tkr |
| Lucas Nilsson Holding AB | Sundsvall | 0 tkr |
| Ludvig Svensson Invest AB | Sundsvall | 0 tkr |
| Luftvärnet Holding AB | Sundsvall | 0 tkr |
| Lumos Care AB | Nacka | 0 tkr |
| LV Consulting AB | Alnö | 0 tkr |
| MaBe Konsult AB | Kvissleby | 0 tkr |
| Macama Holding AB | Ankarsvik | 0 tkr |
| MA Care & Consulting Sundsvall AB | Njurunda | 0 tkr |
| Macrocosm C-137 AB | Stockholm | 0 tkr |
| Macrocosm C-35 AB | Sundsvall | 0 tkr |
| Madelene Högback Holding AB | Sundsvall | 0 tkr |
| Mageli AB | Sundsvall | 0 tkr |
| Magnus Söderlund Byggservice AB | Ankarsvik | 0 tkr |
| Mahåk Invest AB | Sundsvall | 0 tkr |
| Mainport AB | Docksta | 0 tkr |
| Majeba AB | Matfors | 0 tkr |
| Majid Invest AB | Sundsvall | 0 tkr |
| Majken AB | Sundsvall | 0 tkr |
| Maland Invest AB | Utansjö | 0 tkr |
| Malexa of Sweden AB | Sundsvall | 0 tkr |
| Malin Nordin Holding AB | Sundsvall | 0 tkr |
| Malungen Förvaltning AB | Sundsvall | 0 tkr |
| Mamma HAJ AB | Sundsvall | 0 tkr |
| Manco 3G Holding AB | Stockholm | 0 tkr |
| Manielli AB | Sundsvall | 0 tkr |