| JenFre Holding AB | Eskilstuna | 0 tkr |
| JeNiL Handel AB | Torshälla | 0 tkr |
| Jenny from the block AB | Eskilstuna | 0 tkr |
| Jenny Maria Holding AB | Torshälla | 0 tkr |
| Jerker Sundkvist Holding AB | Eskilstuna | 0 tkr |
| Jesper Invest AB | Eskilstuna | 0 tkr |
| JF Innovation AB | Eskilstuna | 0 tkr |
| JFORTECH Holding Eskilstuna AB | Eskilstuna | 0 tkr |
| JHA Förvaltning AB | Eskilstuna | 0 tkr |
| JH BILCENTER AB | Eskilstuna | 0 tkr |
| JICA Holding AB | Eskilstuna | 0 tkr |
| Jim Lindgren Fastigheter AB | Eskilstuna | 0 tkr |
| JIRM AB | Eskilstuna | 0 tkr |
| JJB Invest AB | Eskilstuna | 0 tkr |
| JKJ Transport & Entreprenad AB | Eskilstuna | 0 tkr |
| JK Liquids AB | Eskilstuna | 0 tkr |
| J Lexander AB | Stockholm | 0 tkr |
| JLF Förvaltning AB | Torshälla | 0 tkr |
| JLQ Mälardalen Holding AB | Skogstorp | 0 tkr |
| Joakim Lood AB | Eskilstuna | 0 tkr |
| Joakim Söderlunds Holding AB | Örebro | 0 tkr |
| Joel Granfors AB | Eskilstuna | 0 tkr |
| Johan G Bygg AB | Eskilstuna | 0 tkr |
| Johan Larsson Holding AB | Eskilstuna | 0 tkr |
| Johanna G AB | Eskilstuna | 0 tkr |
| Johan och Lisas El och Allservice i Ärla AB | Skepplanda | 0 tkr |
| Johansson Konsult AB | Eskilstuna | 0 tkr |
| Johan Tjernell Invest AB | Torshälla | 0 tkr |
| John Larsen Konsult Aktiebolag | Eskilstuna | 0 tkr |
| Johnnys Guld AB | Eskilstuna | 0 tkr |
| JohSun AB | Eskilstuna | 0 tkr |
| Jolux Design AB | Eskilstuna | 0 tkr |
| Jordankartjänst i Eskilstuna Aktiebolag | Eskilstuna | 0 tkr |
| Joshy Bygg & Entreprenad AB | Eskilstuna | 0 tkr |
| JO Sundkvist Holding AB | Eskilstuna | 0 tkr |
| JPC AB | Eskilstuna | 0 tkr |
| JP Konstruktionsbyrå AB | Eskilstuna | 0 tkr |
| JR i Eskilstuna AB | Eskilstuna | 0 tkr |
| JR. Riedl AB | Eskilstuna | 0 tkr |
| JS Holding Eskilstuna AB | Eskilstuna | 0 tkr |
| JS Kontroll AB | Eskilstuna | 0 tkr |
| JUAC Holding AB | Eskilstuna | 0 tkr |
| JUCO Sweden AB | Eskilstuna | 0 tkr |
| Jugra AB | Näshulta | 0 tkr |
| Juha Sarvi AB | Eskilstuna | 0 tkr |
| Julita Group AB | Julita | 0 tkr |
| Junger Konsulting AB | Skogstorp | 0 tkr |
| Jungfrubacken Aktiebolag | Eskilstuna | 0 tkr |
| JUOK Skogen AB | Eskilstuna | 0 tkr |
| Juris Smitmanis Fastighetskonsult AB | Eskilstuna | 0 tkr |