| JiKås Gotland AB | Klintehamn | 0 tkr |
| Jilladel AB | Visby | 0 tkr |
| JK i Visby Holding AB | Visby | 0 tkr |
| JM Hoas AB | Visby | 0 tkr |
| JM Hockey AB | Visby | 0 tkr |
| JN Förvärv AB | Visby | 0 tkr |
| JN Holding Gotland AB | Visby | 0 tkr |
| Jobbe Aktiebolag | Visby | 0 tkr |
| Johan Gate AB | Visby | 0 tkr |
| Johan J Invest AB | Visby | 0 tkr |
| Johan Källstrand AB | Stockholm | 0 tkr |
| JOMATICA LIVS AB | Visby | 0 tkr |
| Jonas Boberg AB | Visby | 0 tkr |
| Jordkraft Energy AB | Stockholm | 0 tkr |
| JSBP Holding AB | Klintehamn | 0 tkr |
| J Söderberg Holding AB | Visby | 0 tkr |
| J Sommar Förvaltning AB | Visby | 0 tkr |
| JT Kök & Fritid AB | Märsta | 0 tkr |
| Juni Bergner AB | Lidingö | 0 tkr |
| Juniwik Business management Aktiebolag | Visby | 0 tkr |
| Jutlandoor International Aktiebolag | Hemse | 0 tkr |
| Kaffebryggarn Aktiebolag | Slite | 0 tkr |
| Kajama air investment AB | Visby | 0 tkr |
| Kajdox Company AB | Sundsvall | 0 tkr |
| Käldhagen AB | Visby | 0 tkr |
| Kaldi AI AB | Visby | 0 tkr |
| Kalksten Holding AB | Visby | 0 tkr |
| Kalstädar AB | Havdhem | 0 tkr |
| Kamander AB | Gotlands Tofta | 0 tkr |
| Karlslund Diagnostik AB | Vreta Kloster | 0 tkr |
| Karlsö by Karolina AB | Romakloster | 0 tkr |
| KAT AB | Klintehamn | 0 tkr |
| Kattlunds Fastighetsförvaltning AB | Havdhem | 0 tkr |
| Kaupungs Holding AB | Bromma | 0 tkr |
| Keeping in Climate Gotland AB | Visby | 0 tkr |
| Keges Holding AB | Visby | 0 tkr |
| Kent Nilsson Holding AB | Hemse | 0 tkr |
| Keyhan AB | Visby | 0 tkr |
| K-golv Holding AB | Visby | 0 tkr |
| Kim Vässmar AB | Visby | 0 tkr |
| Kinner Invest AB | Visby | 0 tkr |
| Kjell Asplund AB | Visby | 0 tkr |
| Klang&Söderberg Holding AB | Visby | 0 tkr |
| Klangstainen Invest AB | Gotlands Tofta | 0 tkr |
| Klintbergs Förvaltning på Gotland AB | Romakloster | 0 tkr |
| KLINTEHAMNS FASTIGHETER AB | Gotlands Tofta | 0 tkr |
| Klinte Konsulting AB | Klintehamn | 0 tkr |
| K-lokko Skogen Invest AB | Visby | 0 tkr |
| Kloths vind och naturvård Aktiebolag | Slite | 0 tkr |
| K.M.E AB | Visby | 0 tkr |