| IBME AB | Linköping | 0 tkr |
| Ibtika AB | Linköping | 0 tkr |
| ICM Tech AB | Norrköping | 0 tkr |
| ICNIRAC AB | Norrköping | 0 tkr |
| Idapto Holding AB | Norrköping | 0 tkr |
| IDATHOR Holdingbolag AB | Norrköping | 0 tkr |
| Idea Factory Sweden AB | Norrköping | 0 tkr |
| Idefast AB | Linköping | 0 tkr |
| Idola Holding AB | Norrköping | 0 tkr |
| Idtullen Invest AB | Linköping | 0 tkr |
| IFK Mark & Anläggning AB | Skänninge | 0 tkr |
| IFS Europe AB | Linköping | 0 tkr |
| IHJ Bygg AB | Valdemarsvik | 0 tkr |
| ILA i Norrköping AB | Åby | 0 tkr |
| ILENIO AB | Göteborg | 0 tkr |
| ILMH Holding AB | Norrköping | 0 tkr |
| Ilos Fastigheter Holding AB | Linköping | 0 tkr |
| IMADA Holding AB | Åby | 0 tkr |
| IMAST fastigheter Holding AB | Linköping | 0 tkr |
| ImpactMotion AB | Mjölby | 0 tkr |
| Imperiet i Linköping Holding AB | Linköping | 0 tkr |
| Imperius Consulting AB | Linköping | 0 tkr |
| Inaam Förvaltning AB | Linköping | 0 tkr |
| Incite i Norrköping AB | Norrköping | 0 tkr |
| Industment AB | Vadstena | 0 tkr |
| Industrigruppen i Norrköping Service AB | Norrköping | 0 tkr |
| Industri-Matematik Intressenter AB | Linköping | 0 tkr |
| Industritjänst i Finspång AB | Deje | 0 tkr |
| Industriutveckling i Östergötland AB | Skärblacka | 0 tkr |
| Industry Consult & Import i Norrköping AB | Norrköping | 0 tkr |
| Infracore Drilling AB | Motala | 0 tkr |
| Infradapt AB | Åby | 0 tkr |
| Inframaskin i Nacka Aktiebolag | Norrköping | 0 tkr |
| Infria AB | Kolmården | 0 tkr |
| Ingela Bergström Golden Future AB | Motala | 0 tkr |
| Ingela Emmoth AB | Luleå | 0 tkr |
| Ingela Restaurangkonsult Aktiebolag | Norrköping | 0 tkr |
| Ingelrii AB | Åtvidaberg | 0 tkr |
| Ingelstad Förvaltning AB | Finspång | 0 tkr |
| Ingem Invest AB | Ljungsbro | 0 tkr |
| Ingenjörsfirma J. Sterling Aktiebolag | Söderköping | 0 tkr |
| Ingestorp Holding AB | Finspång | 0 tkr |
| Ingmans i Motala AB | Vadstena | 0 tkr |
| Ing-Mari Ehn Holding AB | Motala | 0 tkr |
| Ingrid Asset Management AB | Norrköping | 0 tkr |
| Ingrid Group AB | Norrköping | 0 tkr |
| Ingrids Holding i Hällestad AB | Hällestad | 0 tkr |
| Ingvar Josefsson i Mörby Aktiebolag | Mantorp | 0 tkr |
| Ingwid Invest AB | Norrköping | 0 tkr |
| INIUT Gruppen AB | Linköping | 0 tkr |