| Xcavator invest AB | Gävle | 0 tkr |
| Xinghe Sverige AB | Ljusdal | 0 tkr |
| XIRO CONSTRUCTIONS AB | Forsbacka | 0 tkr |
| Xpower Sverige AB | Söderhamn | 0 tkr |
| X-Schakt Holding AB | Gävle | 0 tkr |
| X-Service AB | Färila | 0 tkr |
| XTM Invest AB | Hudiksvall | 0 tkr |
| Xylon Förvaltning AB | Ljusdal | 0 tkr |
| XYZ Holding AB | Hudiksvall | 0 tkr |
| yatta group AB | Kista | 0 tkr |
| YGAB Aktiebolag | Färila | 0 tkr |
| Yggir Marine Aktiebolag | Sandviken | 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 |
| YMBRA AB | Sandviken | 0 tkr |
| YNGVI FREYR AB | Kungsgården | 0 tkr |
| YouDrive Invest AB | Gävle | 0 tkr |
| Your Voice Invest AB | Söderhamn | 0 tkr |
| Yrkesboden AB | Iggesund | 0 tkr |
| Yrkesproffsen i Hälsingland Aktiebolag | Stocka | 0 tkr |
| Y & S Screentryck Aktiebolag | Skutskär | 0 tkr |
| Ytte AB | Norrala | 0 tkr |
| Ytterhavra 4 AB | Hudiksvall | 0 tkr |
| Yxeboda Förvaltning AB | Färila | 0 tkr |
| Y&Y Health AB | Gävle | 0 tkr |
| Zanzora AB | Sandviken | 0 tkr |
| ZAPE AB | Ljusdal | 0 tkr |
| Z Arkitektkontor Aktiebolag | Enskede Gård | 0 tkr |
| Zarox AB | Färila | 0 tkr |
| Z&D Holding AB | Gävle | 0 tkr |
| Zed Tech AB | Bollnäs | 0 tkr |
| Zequel AB | Sollentuna | 0 tkr |
| Zer Investment AB | Falun | 0 tkr |
| Zetany Aktiebolag | Söderhamn | 0 tkr |
| Z gruppen i Gästrikland AB | Sandviken | 0 tkr |
| ZOION Sweden AB | Delsbo | 0 tkr |
| Zpheera AB | Hudiksvall | 0 tkr |
| ZT Management AB | Gävle | 0 tkr |
| Zundinger AB | Sandviken | 0 tkr |
| 3DAnalys Sweden AB | Hofors | — |
| 3P com Handelsbolag | Sköndal | — |
| 3XTrä AB | Gävle | — |
| AB Ajutor & co | Gävle | — |
| Åberg Media & Musik AB | Gävle | — |
| Abersten Service Handelsbolag | Gävle | — |
| ABE TRAFIKSKOLOR KOMMANDITBOLAG | Bergvik | — |
| AB Hamnmagasin T1 | Gävle | — |
| AB JOCH Resurs | Ljusdal | — |
| A. Blank Consulting AB | Ilsbo | — |