| IB Properties Holding AB | Södertälje | 0 tkr |
| Ibrim Holding AB | Nykvarn | 0 tkr |
| Ibrim Nykvarn AB | Södertälje | 0 tkr |
| IFCon AB | Södertälje | 0 tkr |
| IF Teknik AB | Södertälje | 0 tkr |
| ILB Invest AB | Södertälje | 0 tkr |
| Infinitus Engineering AB | Almunge | 0 tkr |
| Infocompaniet i Storstockholm AB | Södertälje | 0 tkr |
| InfraMind Holding AB | Södertälje | 0 tkr |
| Ingeniör M Andersson Holding AB | Huddinge | 0 tkr |
| Ingenjörsfirma C Lundgren i Stockholm AB | Södertälje | 0 tkr |
| Inghall AB | Södertälje | 0 tkr |
| INGIA Holding AB | Stockholm | 0 tkr |
| Ingrid From Consulting AB | Södertälje | 0 tkr |
| INJECO AB | Södertälje | 0 tkr |
| Inops AB | Stockholm | 0 tkr |
| Insieme Holding AB | Södertälje | 0 tkr |
| Interia Stockholm AB | Södertälje | 0 tkr |
| Intersea Nordic AB | Södertälje | 0 tkr |
| Inve Förvaltningsaktiebolag | Södertälje | 0 tkr |
| Investix AB | Södertälje | 0 tkr |
| Inzane Kosttillskott AB | Södertälje | 0 tkr |
| Inzider AB | Södertälje | 0 tkr |
| ISAB Invest Aktiebolag | Järna | 0 tkr |
| ISAB Teknik & Drift Aktiebolag | Järna | 0 tkr |
| Isak Durmaz Holding AB | Södertälje | 0 tkr |
| Isak Invest AB | Södertälje | 0 tkr |
| Isik Invest Aktiebolag | Södertälje | 0 tkr |
| ISPER Fastigheter Invest AB | Södertälje | 0 tkr |
| ISPER Invest AB | Södertälje | 0 tkr |
| Itha AB | Södertälje | 0 tkr |
| JACÅ Invest AB | Enhörna | 0 tkr |
| J.A. Fredriksson Holding AB | Hölö | 0 tkr |
| JAMES Jim Hagelin Arkitekt AB | Järna | 0 tkr |
| Jan N. Sandström Consulting AB | Södertälje | 0 tkr |
| Jarefalks Dekorprodukter AB | Enhörna | 0 tkr |
| Järna Fast 2 AB | Stockholm | 0 tkr |
| Järna Group AB | Södertälje | 0 tkr |
| Järna Invest AB | Järna | 0 tkr |
| Järna Isolering Aktiebolag | Järna | 0 tkr |
| Järna Trä Holding Aktiebolag | Järna | 0 tkr |
| JATC Bygg & VVS AB | Södertälje | 0 tkr |
| J.Be Invest AB | Södertälje | 0 tkr |
| J. Bergström Consulting AB | Hägersten | 0 tkr |
| Jbird AB | Järna | 0 tkr |
| J.Bonnedahl Holding AB | Rönninge | 0 tkr |
| JB Praktiktjänster AB | Södertälje | 0 tkr |
| J & C Helminen Holding AB | Vega | 0 tkr |
| JD i Stockholm AB | Norsborg | 0 tkr |
| Jean Invest AB | Södertälje | 0 tkr |