| Konsult & Bemanning i Björnbo AB | Månkarbo | 0 tkr |
| Läby Fastigheter AB | Tierp | 0 tkr |
| Lämpersbo Invest AB | Uppsala | 0 tkr |
| Lämpersbo Transport AB | Karlholmsbruk | 0 tkr |
| Lastcon AB | Tierp | 0 tkr |
| Leif Ivar Pettersson Holding AB | Tierp | 0 tkr |
| Leif Luomala AB | Skärplinge | 0 tkr |
| Lemniscate Capital AB | Knivsta | 0 tkr |
| Less AB | Tierp | 0 tkr |
| Lilianne Axelsson AB | Skärplinge | 0 tkr |
| LillyVet AB | Norrköping | 0 tkr |
| LIMBUS - Total Aktiebolag | Skokloster | 0 tkr |
| Livsmöten AB | Tierp | 0 tkr |
| L.K. Haag AB | Björklinge | 0 tkr |
| LKW:s Maskiner AB | Örbyhus | 0 tkr |
| L o F Holding AB | Tierp | 0 tkr |
| Lotta Söderström HR & Management Consultant AB | Strömsbergs Bruk | 0 tkr |
| Lövsta Bruk Holding AB | Lövstabruk | 0 tkr |
| Löwår Holding AB | Örbyhus | 0 tkr |
| Luxo Homecare AB | Tierp | 0 tkr |
| Magnus Johanson Processteknik Aktiebolag | Karlholmsbruk | 0 tkr |
| Mattssons Trä & Byggvaror AB | Skärplinge | 0 tkr |
| MDJ Transport & Fastigheter AB | Tierp | 0 tkr |
| MF Produktion Investment AB | Tierp | 0 tkr |
| M Holmstedts Marinservice AB | Lund | 0 tkr |
| Mickis Invest AB | Hållnäs | 0 tkr |
| MMSI Holding AB | Tobo | 0 tkr |
| NAA Norden AB | Tierp | 0 tkr |
| NJ Rental AB | Tierp | 0 tkr |
| Nordic Distributed Power AB | Älvkarleby | 0 tkr |
| Norska Pizzaköket Holding AB | Jönköping | 0 tkr |
| Nynäs Förvaltning AB | Skärplinge | 0 tkr |
| O M Förvaltning AB | Tierp | 0 tkr |
| Oneprojekt Holding AB | Österbybruk | 0 tkr |
| OpenMeadow AB | Skärplinge | 0 tkr |
| OPTIMIZE & LONGEVITY AB | Strömsbergs Bruk | 0 tkr |
| Orsbo Invest AB | Skärplinge | 0 tkr |
| Oscar Löfgrens Holding AB | Månkarbo | 0 tkr |
| Östenstaf Hem AB | Tierp | 0 tkr |
| Österänge Invest AB | Skärplinge | 0 tkr |
| Österlövsta Consulting AB | Skärplinge | 0 tkr |
| Ostlyckan AB | Örbyhus | 0 tkr |
| Pasanen Holding AB | Österbybruk | 0 tkr |
| Pepo Holding AB | Skärplinge | 0 tkr |
| Per-Åke Persson Holding AB | Tierp | 0 tkr |
| Per Åkerlind AB | Tierp | 0 tkr |
| Peter Berggren Invest AB | Tierp | 0 tkr |
| Peter & Pontus Fastighetsutveckling AB | Skärplinge | 0 tkr |
| Peter Staland Aktiebolag | Hållnäs | 0 tkr |
| Pettersson & Bergman Maskinteknik Aktiebolag | Tierp | 0 tkr |