| WH24 i Gävle AB | Skutskär | 0 tkr |
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| Winges Alacant AB | Kumla | 0 tkr |
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| WiseFonts AB | Uppsala | 0 tkr |
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| WS NORDIC SWEDEN AB | Åshammar | 0 tkr |
| Xcavator fastigheter AB | Gävle | 0 tkr |
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| XIRO CONSTRUCTIONS AB | Forsbacka | 0 tkr |
| X-Schakt Holding AB | Gävle | 0 tkr |
| YGN AB | Lund | 0 tkr |
| Yildirim Energy International Investments Holding AB | Rosersberg | 0 tkr |
| Yilport Ecuador Terminal Investments AB | Rosersberg | 0 tkr |
| Yilport Portugal Overseas Terminal Investments AB | Rosersberg | 0 tkr |
| YouDrive Invest AB | Gävle | 0 tkr |
| Y & S Screentryck Aktiebolag | Skutskär | 0 tkr |
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| Z Arkitektkontor Aktiebolag | Enskede Gård | 0 tkr |
| Z&D Holding AB | Gävle | 0 tkr |
| Zequel AB | Sollentuna | 0 tkr |
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| 3XTrä AB | Gävle | — |
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| Abersten Service Handelsbolag | Gävle | — |
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| Acezux Systems Dev. Handelsbolag | Gävle | — |
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| AD MASKIN Handelsbolag | Gävle | — |
| Advokatfirman Prime Handelsbolag | Gävle | — |
| Advokatfirman Tedeborg & Lundquist handelsbolag | Gävle | — |
| Advokat Thomas Öberg Kommanditbolag | Gävle | — |