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| Komont Norway AS | Smøla | 2016 |
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| Komplett Maling AS | Fyllingsdalen | 2020 |
| Komplett Montasje AS | Larvik | 2012 |
| Komplett Montert AS | Trondheim | 2026 |
| Komplett Rør AS | Oslo | 2025 |
| Komplett Rør & Badstue AS | Fredrikstad | 2023 |
| Komplett Rørservice AS | Fagerstrand | 2006 |
| Komplett Solskjerming AS | Langhus | 2025 |
| Komplett Sprinkler AS | Drammen | 2023 |
| Komplett Tak AS | Sandefjord | 2012 |
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| Komplett VVS Sandefjord AS | Sandefjord | 2012 |
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| Komtek Hardanger AS | Lofthus | 2017 |
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| Konbud | Tjøme | 2004 |
| Koncar Power Transformers Ltd | Hr-10090 Zagreb | 2004 |