Get in touch
Contact CEO Mats Rönnlund
+46 706 18 85 55
Triangelbolaget D4 AB
Morkullevägen 11
SE-175 64 Järfälla
Sweden
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Owners
Triangelbolaget is co-owned by 4 of Sweden's strongest and most recognized infrastructure companies: Tele2, Svenska Kraftnät, Ellevio and Vattenfall.
