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| Hamnenesveien 25 AS | Nord-Lenangen | 2025 |
| Hamnøy AS | Førresfjorden | 2018 |
| Hamnøy Holding AS | Førresfjorden | 2018 |
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| Hamo Holding AS | Tromsdalen | 2022 |
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| Hamremoen AS | Krøderen | 2014 |
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| Hamro Event AS | Hvalstad | 2014 |
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| Hanken Habitat AS | Mauseidvåg | 2001 |
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| Happynext AS | Oslo | 2020 |
| Happypaddle AS | Oslo | 2026 |
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| Hardsjø Marine AS | Bekkjarvik | 2025 |
| Hardstyle Dna AS | Bekkestua | 2024 |
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