| Hornström Invest AB | Falun | 0 tkr |
| HP Krosstjänst Aktiebolag | Katrineholm | 0 tkr |
| HSIK AB | Katrineholm | 0 tkr |
| Hugos Holding Katrineholm AB | Katrineholm | 0 tkr |
| Hulta S&A Förvaltning AB | Katrineholm | 0 tkr |
| Hultbergs Fastigheter i Katrineholm AB | Katrineholm | 0 tkr |
| HVAB Group AB | Västerås | 0 tkr |
| Hwalstaberg AB | Sköldinge | 0 tkr |
| Hyrcenter i Katrineholm AB | Katrineholm | 0 tkr |
| I am the diamond AB | Katrineholm | 0 tkr |
| IH Entertainment AB | Valla | 0 tkr |
| Implemo Aktiebolag | Katrineholm | 0 tkr |
| Implemo Förvaltnings Aktiebolag | Katrineholm | 0 tkr |
| Ingrid Brink 1 AB | Katrineholm | 0 tkr |
| Innovative solutions Holding RMPP AB | Katrineholm | 0 tkr |
| IONTO AB | Katrineholm | 0 tkr |
| IS Katrineholm AB | Södertälje | 0 tkr |
| IT Konsult Robert Carlsson Aktiebolag | Katrineholm | 0 tkr |
| Jacobssons Properties AB | Katrineholm | 0 tkr |
| JANFri utveckling AB | Valla | 0 tkr |
| Jari Järvinen Holding AB | Valla | 0 tkr |
| Järperud Invest AB | Katrineholm | 0 tkr |
| Jelmari Investment AB | Julita | 0 tkr |
| Jens Kåbring Holding AB | Sköldinge | 0 tkr |
| JH estate AB | Katrineholm | 0 tkr |
| JR Hydraulik Förvaltning AB | Katrineholm | 0 tkr |
| J Sundkvist Förvaltnings AB | Katrineholm | 0 tkr |
| JT Holding Katrineholm AB | Katrineholm | 0 tkr |
| K Adolfsson Utveckling AB | Katrineholm | 0 tkr |
| Kamin & Kakel Fastighetsförvaltning AB | Katrineholm | 0 tkr |
| Kannius Förvaltning AB | Katrineholm | 0 tkr |
| Karin Johanna Invest AB | Katrineholm | 0 tkr |
| Karlström Holding AB | Katrineholm | 0 tkr |
| Katrineholm Optic Services AB | Göteborg | 0 tkr |
| Katrineholms Betonghål Aktiebolag | Katrineholm | 0 tkr |
| Katrineholms Bostad 2:2 fastighetsaktiebolag | Katrineholm | 0 tkr |
| Katrineholms Ortoped-Medicinska Sjukgymnast AB | Katrineholm | 0 tkr |
| Katrineholms Skorstensteknik AB | Katrineholm | 0 tkr |
| Katrineholm VVS & Bygg AB | Katrineholm | 0 tkr |
| KFV IT & Telecom Förvaltning AB | Bettna | 0 tkr |
| Kihlgren Arkitektkontor Aktiebolag | Katrineholm | 0 tkr |
| Klubbetorp Säkerhet AB | Björkvik | 0 tkr |
| Kottsamlaren AB | Söderbärke | 0 tkr |
| KRAF Holding AB | Katrineholm | 0 tkr |
| Ktronics AB | Valla | 0 tkr |
| Kulturpärlan Aktiebolag | Katrineholm | 0 tkr |
| K W J Aktiebolag | Katrineholm | 0 tkr |
| Långasand Maskin o Diverse AB | Julita | 0 tkr |
| Lasstorp Holding AB | Katrineholm | 0 tkr |
| LUW Capital AB | Katrineholm | 0 tkr |