| Leif Johansson Entreprenad i Vännäsby Aktiebolag | Vännäs | 0 tkr |
| Leigrund AB | Lögdeå | 0 tkr |
| L Eldskott AB | Umeå | 0 tkr |
| Lelles Allt I Allo AB | Vännäs | 0 tkr |
| Leman Invest AB | Byske | 0 tkr |
| Lemmex Invest AB | Umeå | 0 tkr |
| Lena Granlund Förvaltning AB | Skellefteå | 0 tkr |
| Lena Isaksson Förvaltning AB | Umeå | 0 tkr |
| Lencap AB | Skellefteå | 0 tkr |
| Leneli AB | Umeå | 0 tkr |
| Lenwik Bonds AB | Skellefteå | 0 tkr |
| Lerost AB | Boliden | 0 tkr |
| Lerstenen Handlaren AB | Umeå | 0 tkr |
| Levada AB | Umeå | 0 tkr |
| Levar Entreprenad AB | Nordmaling | 0 tkr |
| Lexabo AB | Umeå | 0 tkr |
| LG&E Lindgren Holding Umeå AB | Umeå | 0 tkr |
| LGJ Malå AB | Malå | 0 tkr |
| LGL i Burträsk AB | Burträsk | 0 tkr |
| LGS Invest i Umeå AB | Umeå | 0 tkr |
| L Häggström Modeagenturer Aktiebolag | Lögdeå | 0 tkr |
| Liac Invest AB | Umeå | 0 tkr |
| Lialjo Holding AB | Umeå | 0 tkr |
| Libatrix Aktiebolag | Umeå | 0 tkr |
| Liberabo Aktiebolag | Skellefteå | 0 tkr |
| Lidbackensgranen 2 AB | Granö | 0 tkr |
| Lidelo AB | Skellefteå | 0 tkr |
| Lidéns i Sorsele AB | Sorsele | 0 tkr |
| Lidman Invest AB | Skellefteå | 0 tkr |
| Liero Invest AB | Umeå | 0 tkr |
| Life ScIntel AB | Umeå | 0 tkr |
| Life Wings AB | Skellefteå | 0 tkr |
| LIGEM AB | Umeå | 0 tkr |
| Lightspert AB | Skellefteå | 0 tkr |
| L.I.H. Research Förvaltning AB | Piteå | 0 tkr |
| Like A Lion Estate AB | Tavelsjö | 0 tkr |
| Like A Lion Holding AB | Umeå | 0 tkr |
| Lilja Invest i Lycksele AB | Lycksele | 0 tkr |
| Liljeblad Projektkompetens AB | Umeå | 0 tkr |
| Lilla bonden i Degernäs AB | Umeå | 0 tkr |
| Lilla Brohålet AB | Skellefteå | 0 tkr |
| Lilla-City i Umeå AB | Umeå | 0 tkr |
| Lillfjället Maskin & Fastighet AB | Vännäs | 0 tkr |
| Lilliesköld Invest AB | Umeå | 0 tkr |
| Lillklippen AB | Umeå | 0 tkr |
| Lillsladan Invest AB | Bureå | 0 tkr |
| Limace AB | Umeå | 0 tkr |
| Lima Holding AB | Skellefteå | 0 tkr |
| Limano AB | Vännäs | 0 tkr |
| Limnocon AB | Hörnefors | 0 tkr |